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  1. dadohead

    2005 GX255 - Mower Height and other Qs (54C deck)

    Glad you like the GX! Inside Deere in Engineering, the GX is the 'go-to' machine; seems like everybody has one and won't let go of them. A smallish capable machine (can pull a plow), the k71 is bullet-proof, the decks cut good (and come off easily), good LEVER controlled hydraulics, and great...
  2. dadohead

    2005 GX255 - Mower Height and other Qs (54C deck)

    It occurred to me... maybe a pic would help? There should be no gap between the axle pads and the frame saddle... both sides.
  3. dadohead

    2005 GX255 - Mower Height and other Qs (54C deck)

    Hi smp22, Your GX uses an Achermann style steering system. LH/RH spindle coordination is controlled by a straight tie rod. The system is turned by a frame mounted cylinder pushing the steering arm forward/rearward (#23). So just normal steering imparts the same fwd/rev force into the axle...
  4. dadohead

    2005 GX255 - Mower Height and other Qs (54C deck)

    All great comments.... dead on. Something is wrong if you're not seeing the deck raise much. It should get to 4.25" at lockup. I use the JD deck level gage to level the deck... makes it easy. John Deere AM130907 Deck Level Gauge 345 42 E130 E120 E170 D105 TY15272 https://a.co/d/ij89XYf...
  5. dadohead

    Grill guards

    That's very kind of you... but I do what every other designer does: steal good design and use it in my application! If you see something you like... heist it!
  6. dadohead

    Grill guards

    JD 2520 grill guard upgrade. A little 3/8" rod and 1/8×1" strip stock. A few close calls on the grill drove the change.
  7. dadohead

    Tell us something we don’t know.

    I've been reading about ai coming and how it will change our life. Numerous songwriting sites are out there. I asked my son about it (super techy). He started playing with UDIO. it works in 30 second blocks. You can feed it just a line or complete lyrics. The first block will be the chorus...
  8. dadohead

    Anyone ever make there own swisher

    Europe has 'high grass' mower decks that mount under lawn tractors. Essentially, their front and back are open like a rotary cutter. Would be easy to fabricate.
  9. dadohead

    rotary cutters.

    Agreed. Sickle bars have an advantage of requiring VERY little power but have several big disadvantages: they require lots of maintenance and dont tolerate hitting things very well (rocks, wire,, etc). I would love to have a flail but dont have enough tractor.
  10. dadohead

    rotary cutters.

    Gravel... I too have a 5' cutter and get similar results. The weak cutting side is where the forward sweep of the blade (RH side on my CCW cutter) tries to lift the tire track (also mashed forward)... almost uncut. The worst is mowing spring pasture grass when it's juiced up, wimpy, and fast...
  11. dadohead

    Pros to having a riding mower over a zero-turn

    The dealers say it's hills. You have lots of hills?... get a tractor variant.
  12. dadohead

    Tell us something we don’t know.

    Lots of innovation back then.... yikes!
  13. dadohead

    Pros to having a riding mower over a zero-turn

    ZT's are tractively steered so conventional tractors accel on hilly terrain and don't 'break traction'. Depending on the operator, can be easier on the turf. Tractors usually has a shorter learning curve that is more inviting to us geezers.... ;<)
  14. dadohead

    PTO insight for new operator

    Nothing magical about mowing at 540 pto. That is where your published tip speed will be found. Most of my mow time is cutting thick lush 20" pasture grass to 4". It takes lots of power so I run WOT.... brushy, thinner stuff could be run slower. Legend has it that Yanmar cutters are forged...
  15. dadohead

    Tell us something we don’t know.

    First day of my wood patternmaker apprenticeship ('81) at Caterpillar I was given a simple core box to make. Everthing was done 'old school' there from mountains of mahogany. I was 1 of 3 apprentices on the wood side sprinkled around 50 journeymen. The journeyman at the adjacent bench gave me...
  16. dadohead

    Tell us something we don’t know.

    in the early '80's, I was a wood patternmaker apprentice at Caterpillar. Occassionally a wood guy would find himself on the metal side making a tool or grinding a cutter etc. The journeymen there would keep an eye on the apprentices... especially a dumb wood guy. One journeyman constantly...
  17. dadohead

    Anyone ever make their own buddy-seat? Made one for my Kioti.

    I'm with you sir. It's just that toddlers can't be reasoned with. All I can do is explain the root cause of this scenario and hope that adults act accordingly. Accident investigators detail certain facts in these cases that are included in the reports: "The child had been given rides in the...
  18. dadohead

    Anyone ever make their own buddy-seat? Made one for my Kioti.

    Those are cabbed ag tractors that operate in fields where toddlers won't be around to chase... I think you know this. I don't mean to be abrasive but these accidents are more common than you think. They are just horrific. I'm sure the parents and grandparents had all the best intentions...
  19. dadohead

    Anyone ever make their own buddy-seat? Made one for my Kioti.

    Nonsense. My young grandkids have their own pedal tractor w/ wagon to play with. They've climbed on my larger tractors in the shed; they have never seen the mowers. They aren't missing out on anything. To those that have kids/grandkids that have had tractor rides... be  extra vigilant...
  20. dadohead

    Anyone ever make their own buddy-seat? Made one for my Kioti.

    I'm sorry but this is the mother of bad ideas. I was an engineer in the tractor industry for 30 years and monitored accident reports regularly. Giving children rides is the root cause of a particular accident scenario most don't realize: CHILD BACK OVERS.... often with MOWER BLADE CONTACT...
  21. dadohead

    Whole House Water Filter - Who's got one?

    Our house was built in '16; the plumber installed a Hellenbrand softener. Because of the known hard water in our area, he left room for additional mechanical. 1 year later we had him install a Hellenbrand "iron curtain" system. First stage removes the iron; the second stage aerates to remove...
  22. dadohead

    John Deere STX 30 lawn tractor

    Those yellow deck STX's are unbelieveable mowing machines.... very hard to kill. Did you call JD and see if it is still in service? Peerless is still making manual transaxles... maybe you could get service parts (or a.replacement) directly from them.
  23. dadohead

    Too much work !!

    Ha! We're doing the exact same thing! Second load of dark brown oak mulch coming today. Wife and I are 65 and 66. Weeks like this still beat having to go to the gym and walk!
  24. dadohead

    Autonomous Mowing - Autonomous 36, 48, or bigger machine - would this have a need / interest for folks, or no?

    To answer that question, I would look at Europe. Because of sound regulations (can't mow during evening or weekends) Europe has very much adopted robotic mowing for residential use. In those applications, robots can 'wonder' continously and cover a property. A border wire installation...
  25. dadohead

    Tell us something we don’t know.

    A typical 22lr shoots a bullet at 1100ft/sec. The rifling imparts a revolution of 50,000rpm. Common high powered rifles spin their bullets to over 200,000 rpm! The bullet slows in flight but the rotation does not.
  26. dadohead

    Tell us something we don’t know.

    My dad (a carpenter) always called the bolts on a hand saw handle "sex bolts". I never thought much about it until trying to buy one at a hardware store once and being helped by a young woman. I just couldn't say it and she didnt know what it was by description. I think many call them "barrel...
  27. dadohead

    Have we been doing it wrong? High rpm's bad when not needed?

    Wow... the parts you mention DON'T KILL THE TRACTOR. I think you know that. We're NOT talking about a dyno pull at max power here... max engine curves have nothing to do with what is going on downstream. You can pick a high gear, pedal slow with high effort or you can pick a low gear, pedal...
  28. dadohead

    Have we been doing it wrong? High rpm's bad when not needed?

    Ha... it's done everyday. The MBAs that run the ag companies treat every product they make as an appliance. They ask engineering/marketing to set very defined capabilities and life goals so they can remain competitive. Remember the first microwaves? Brand new technology then. They were big...
  29. dadohead

    Have we been doing it wrong? High rpm's bad when not needed?

    The OP is asking about throttle position and doing the least harm to his tractor.... there is nothing to debate. A job needs a set amount of power to achieve. The transaxle is the weakest link (drives the life goal of the tractor) and what everybody should be trying to protect. Higher rpms...
  30. dadohead

    Have we been doing it wrong? High rpm's bad when not needed?

    That's OK... we can disagree. My comments come from a 30 year career as a tractor engineer. I know what drives high strain on gaged machines (both in the field and lab tests), failure modes at end of life, and exactly how it all relates to warranty. It's also basic engineering: Power =...
  31. dadohead

    Have we been doing it wrong? High rpm's bad when not needed?

    The weakest link on your tractor by far is the transaxle (especially if its HST). Engines almost always exceed the life of the tranny. High rpms do NOT hurt an engine at all but lowers the torque put on the engine and transaxle components. High torque is what wears and breaks tractors. So...
  32. dadohead

    Tell us something we don’t know.

    I asked that same question. They assured me it is enforced but sounded to me like it is being dumped on the dealers. Product comes in without shielding.... they put it back at your cost. Mower sound emissions is very much regulated in Europe. Export machines have low lift blades and low tip...
  33. dadohead

    Tell us something we don’t know.

    Years ago I was in Europe for the launch of a new tractor right when french shielding was being adopted. Being there when it was probed, the technician had his head down, pushing and probing trying to touch something to get it to fail. Being slightly facetious, I said to the interpreter...
  34. dadohead

    Tell us something we don’t know.

    In approximately 2010, the French agriculture minister decided that lawn tractors w/ mowers needed shielding to prevent contact with  any moving parts (even though there has never been a recorded incident of contact with a running drive component.) To the surprise of US manufacturers...
  35. dadohead

    Wood working:Dry fitting?

    Your use of dowels is just fine. Also, what you were told regarding required jointery for end/side grain is spot on. One thing that may make doweling easier for you is sizing the dowel before use. I have a 1/4" thick steel plate with 1/4", 3/8", 1/2" reamed holes I made years ago. The dowel...
  36. dadohead

    Conical PTO Bolt Replacement???

    Matlax, It's a sign the soft nut is yielding. Replace it with the factory nut or grade 8 and torque to spec.
  37. dadohead

    Rotary Cutter Does Direction of Travel Matter?

    Yes but I had a pro weld it. The Fred Cain blades were VERY low lift and I wanted to see if more blade could help. As you probably know, welding blades is typically a no-no (the welders in the Deere prototype shop sure wouldn't do it). A local weld shop will knowing the material then...
  38. dadohead

    Rotary Cutter Does Direction of Travel Matter?

    Thanks so much Bubba! Here is the underside (front of mower to the right). All I'm doing is applying finish mower techniques to a rotary cutter. There is engineering going on but ALOT of mower development is "black art". Offset conventional rotation decks cut very well and are ALWAYS the...
  39. dadohead

    Conical PTO Bolt Replacement???

    Absolutely. The only issue I have with thread lock material is that it disturbs the friction factor in the bolted joint. You have to assume this bolted joint is engineered (not a generic erector set joint) and the published torque was developed with the hardware as delivered. Adding an agent...
  40. dadohead

    Rotary Cutter Does Direction of Travel Matter?

    It's got to be 700+lbs but being shorter w/ CG closer to the tractor, it handles  exactly like my 5' rotary. I'll have to weigh it. Here's a 20" section cut to 4" using full cut width. No slowing, no issues, done in no time. I cant go back.
  41. dadohead

    Conical PTO Bolt Replacement???

    When I started in engineering 30 years ago, an older engineer told me then "nothing will ring your phone in your career more than hardware and springs". He was right! In a properly designed joint, the energy spent tightening a bolt is stored by stretching it. So, the joint must be ridged and...
  42. dadohead

    Rotary Cutter Does Direction of Travel Matter?

    Absolutely right. I have a compact tractor with 20hp pto. NOTHING out there short of single spindle rotarys and finish mowers (I dont have the power for a flail). So what does a former tractor/mower engineer do in retirement? He builds a prototype mower! Built from an old beat-up used...
  43. dadohead

    JD2520 Grille Guard

    Actually, there is nothing new there to sell. All I did was weld in some added guarding. There are companies selling bolt-in lasered/press brake grill guards for various tractor models but couldn't find one for my machine (they aren't the most handsome solutions either....)
  44. dadohead

    JD2520 Grille Guard

    Thanks! Paint- applied with a brush! I left the powder coat showing on the original frame. An oil primer was applied under the green enamel I got at JD for the new parts. I run Pro/E software... same as I ran as an engineer at JD for 30 years. ;<)
  45. dadohead

    Rotary Cutter Does Direction of Travel Matter?

    Both spindles counter-rotate and spaced to back-sweep BOTH tire tracks? Wish I had enough tractor to run something like that.... or somebody made a smaller mower like it. That would be sweet!
  46. dadohead

    Tractors and wood! Show your pics

    I've lost a few 100 year old Sugar Maples this spring. They'll process and burn well. From memory though, they are not robust once contacting the ground and can turn punky faster than my other hardwoods? They're on the log pile now stacked on top of more robust woods. They've been on this...
  47. dadohead

    JD2520 Grille Guard

    Thanks for the nice words guys! I started by modeling the existing factory guard then adding in the vertical grille bars until I thought the proportions looked right (3/8" dia bars on 1" centers). Looks like I didn't bother adding in the RH side. The vertical bars needed to follow the...
  48. dadohead

    Tractors and wood! Show your pics

    Yeah, it's mainly ash. Have lost alot of trees in the last few years due to the Emerald Ash Borer. Ha! Took the shot when we finished up in April. That was our staging area... lined up like Rockettes!
  49. dadohead

    Rotary Cutter Does Direction of Travel Matter?

    Spent 30 yrs at JD putting many tractors and mowers into production. Mowers look easy but are very tough to design. Finish mowers, rotary cutters, and flails all 'impact cut': you hit the plant fast enough to cut it before it moves (usually >12000 fpm). Its easiest to do that when the plant...
  50. dadohead

    Tractors and wood! Show your pics

    Finished processing 8 cord in April and loading into 32 pods. This is our 6th season using the pods. No repairs to the pods at all once I affixed cleats to their bottoms and set them on treated 2x4s (that sink flush to the ground).
  51. dadohead

    JD2520 Grille Guard

    Had some close calls in the last few years using the forks w/ FEL handling wood. A few branches snuck past the factory guard and dented up the grille. Was able to bend back though; that's a $450 part! So had some time this winter to model up a design on CAD adding reinforcement to the factory...
  52. dadohead

    RPM Question

    Retired tractor engineer here. Power = Torque x rpm The weak link on smaller tractors (especially with hst) is the transmission. High rpms dont hurt a thing. High torque is what causes wear and breakage. It is much better on your machine to error running high rpms during loading, lifting...
  53. dadohead

    Mowing Finish mower use?

    Finish mowers are designed to cut no more than 1/3 of the plant off.... 6" grass cut to 4" for example.
  54. dadohead

    Mowing GX345

    GX tractors use an Ogura PTO clutch. As the brake that stops the mower wears, the air gap increases inside the clutch. At some point the gap becomes large enough that the electomagnet that operates the clutch cannot hold the clutch engaged. As your experiencing, it happens sporadically. Your...
  55. dadohead

    Reduced Torque with Lubricated Bolts

    Allied Systems??? A trucking company? So wheel bolts??? Really? This is exactly why myself and other tractor industry people I know dont come here anymore...
  56. dadohead

    Reduced Torque with Lubricated Bolts

    Industries have always developed, maintained, and shared best practices. The chart above though, with no source or specific application, posted on a tractor forum... is frightening. The readers here vary widely in experience and the applications of bolts joints used on tractors range from the...
  57. dadohead

    Swisher Rough cut 52 only cutting one side

    Pushing the mower was a great test. From your original post, the right side cut well, the left side cut poorly. Correct? This makes sense for a CW cutter. A few things come to mind. Like the above comment, low tip speed seems very possible. 17 hp on a 52" rough cutter is light anyway...
  58. dadohead

    Mowing With Compact Tractors

    The weakest portion of the cut in a rotary impact mower are the 'forward sweep' portions of the blades (the blade half that is traveling forward). Why? The mower housing is bending the grass forward before being cut. It is difficult to mechanically lift it when the blades are going in the...
  59. dadohead

    Reduced Torque with Lubricated Bolts

    You can find most everything on the internet. The chart above should have been left where it was found though. I'm a retired tractor engineer and one of my first training assignments was running the bolt lab for our construction machine division. A sign was in the lab: "torque is what we do...
  60. dadohead

    Swisher Rough cut 52 only cutting one side

    Your neighbors DR look like this one? See why this DR wouldn't Tire Track? Those DR guys are fart smellers! Maybe just a tweak to your tow bar. Note: they are careful to keep the LH caster in the previously cut path too... it's called Marketing.
  61. dadohead

    Swisher Rough cut 52 only cutting one side

    "Hold on there Baba Looey!" Before you turn 'Jack the Ripper' loose on some other poor soul, try this test: Try backing your mower into tall grass (essentially turning it into a front mount mower). I suspect the cut will be good across the full width. Report your findings please. Mowing...
  62. dadohead

    Swisher Rough cut 52 only cutting one side

    I'm a retired mower engineer. I'm sorry but your post makes me smile. I haven't visited here in some time but I think I can help you. Mowers are tough to design; they each have a "personality". The guys at Swisher know what is going on... but won't tell you that one of their 'children' is...
  63. dadohead

    Whats wrong with my Land plane build?

    I had a 5' Land Pride landplane for years (sold when I blacktopped my 1/4 mile drive). It came setup with the cutting edges ~1/4" below the sole and ran well. The cutting edges were also skewed like the EA pic above so the material would propagate to the left going forward. I'd operate it on...
  64. dadohead

    Grading Tightening Kubota Mower Blade Bolts

    Yes! The belleville washer transmits the clamp force from the blade bolt to the outer rim of the spindle so it can effectively drive the blade(s). If the blade has just a round hole (not a star shaped mechanical driver) the install torque is not a big deal because the joint is self tightening...
  65. dadohead

    Snow Equipment Owning/Operating Pictures of your snow weapons

    Haven't got much snow yet this year but clearing off my 1/4 mile long blacktop lane gets the Sun on it and really accelerates melting. The poly edge is new for this year. Chatters on the dry pavement but behaves nicely once loaded. Still learning with it. The Rhino 5006 handles ~%80 of...
  66. dadohead

    X330R deck belt

    Do I sense mower deck frustration??? Ha! Thanks for the post! You have no idea... I've been close to leaving this site multiple times but your post reminds me that there are people here that understand the equipment they talk about. Yes, Deere hasn't had the greatest reputation in decks...
  67. dadohead

    X330R deck belt

    Wow... you two need to chill. I am just giving you the background into tractor design and production because you clearly have no clue. There is no 'motivation' to use only 'special' parts. JD is no different than Ford, GM, or Toro in this regard. In my 30 years at JD, I only had to design a...
  68. dadohead

    X330R deck belt

    I'm a retired JD engineer... my name is on a lot of belt drawings. Sorry, but creating 'special', non-standard parts (whatever that is) is not a motivation.... lol. Deere has very high life goals for it's components... especially belt drives. So first, the drive is modeled on CAD and hand...
  69. dadohead

    New Kubota..loader edge?

    It's the small light tractors that especially need an efficient tool! Not commenting on the 'light' or 'cheap'... the moldboard shape is terrible for snow! I wouldn't have known the difference if I hadn't started with that old Land Pride blade. My tractor would fly. Bought the Frontier (flat...
  70. dadohead

    New Kubota..loader edge?

    Just stopped by there a month ago coming back from Nashville and chatted.... they make Frontier rotary cutters and blades for many including Tractor Supply. If you look at Tarter's web site they even list Tractor Supply as their retailer... doesn't matter though. The moldboard on their...
  71. dadohead

    New Kubota..loader edge?

    Oh man... no!!! The Tractor Supply blades are made by Tarter Manufacturing, Dunnville, KY. The Tractor Supply blades looks way worse than the Frontier RB2072 I sold! Seriously, not good.
  72. dadohead

    The Top 5 Tractor Channels on YouTube

    My wife and I used to watch TTWT a few years back. Best ones to us were the gardening and passing on corn growing wisdom. Electrifying your corn against racoons #1! I'm a retired Deere engineer so I found your take on measuring turn circles interesting... pretty dang close to what we do in...
  73. dadohead

    New Kubota..loader edge?

    I have an asphalt drive (3 years old) and had it sealed this year. The seal guy suggested going to poly or rubber so I just installed a 1" FallLine edge too... good to hear you like it. Fingers crossed. Yeah!... that is a beast! Nice moldboard shape. So anybody out there looking for a...
  74. dadohead

    New Kubota..loader edge?

    Great to know! I feel terrible saying 'I hated the product' but feel better knowing they have some good ones too!
  75. dadohead

    New Kubota..loader edge?

    It all depends on the property. There are sections around my place that the FEL would be ideal... but the long lane drives the rear blade and SB on front for me. NOBODY is challenging anyone's snow weapon choices! I've had 3 different blades trying to get the right one. My first one was an...
  76. dadohead

    Forks Gotta question about pallet forks

    Yes... I like your logic better than the dealers. Also consider shorter length if you work in a confined space much. I have 36" forks. They handle pallets fine, allow better maneuverability, lighter, and they can dig like a wood chuck!
  77. dadohead

    New Kubota..loader edge?

    Exactly!!! I have a long lane with ditches on both sides. I certainly have a FEL but turning to unload it can put you in real jeopardy of getting stuck. The rear blade will unload itself and allow the tractor to stay on the road. It all depends on the property!
  78. dadohead

    Talk me into (or out of) an Original Tractor Cab enclosure

    Hi jweedz, Re-installed my OTC yesterday for the first time after it's initial assembly last year. It went great! Here are the details I posted in the Snow Removal forum: https://www.tractorbynet.com/forums/threads/original-tractor-cab-install-removal-techniques.444070/post-6141221 Hope...
  79. dadohead

    Original Tractor Cab Install/Removal Techniques

    Thanks for the responses everyone! It really helped. I like the idea of keeping the cab together and since a few of you have had success lifting and lowering the cab... here's where I landed. I added a box rail (for barn doors) to the ceiling of my shop this week. A single truck supports a...
  80. dadohead

    Tractors and wood! Show your pics

    This site is a bit of an echo chamber... somebody starts talking filled tires then soon it bounces to "A compact tractor with a loader absolutely needs loaded tires." Well that is just not true and I'm tired of these statements. Like I said, I've had loaded tires in previous tractors and I...
  81. dadohead

    Tractors and wood! Show your pics

    Have had loaded tires before. I use my compact mainly for mowing and snow removal. Wouldn't THINK of loading the tires on it.... compact the soil... rides like crap. Use a weight box with the FEL. Like you said the first time: depends on the use.
  82. dadohead

    The Top 5 Tractor Channels on YouTube

    They are putting out content because they want us to watch it. Most are trying to be 'influencers'; some want to sell me crap too. Scanning the comments is just like reading the posts here... you can see the drivel pretty quickly but some of it is as good as the video running. I once made a...
  83. dadohead

    The Top 5 Tractor Channels on YouTube

    This goes for the comment section too. I like to scan the comments for different points of view (and fantastic humor). To me, it is really dishonest when channels allow only the giddy, back slapping "oh, you're the greatest..." comments followed by a string of little red hearts. You make a...
  84. dadohead

    My Brother's Foundry

    I served my wood patternmaking apprenticeship at Caterpillar in the early 80's. The pattern shop was attached to the foundry but light years away in conditions... well lit, air conditioned, and quiet. Walking into the foundry was like entering another world. The new guys were put to work on...
  85. dadohead

    Talk me into (or out of) an Original Tractor Cab enclosure

    I edited it out to make you feel better Torvy. Did Whitewater ever get accredited? ;)
  86. dadohead

    Talk me into (or out of) an Original Tractor Cab enclosure

    Hi, I'm surprised that nobody has responded to your question. I don't have a Kubota but I can't imagine the design varies too much from the OTC on my JD2520. I got it last year just before a sub-zero cold snap. Wow... should have done that years ago! My 2520 is comparable to your L2501...
  87. dadohead

    Which oil is better??

    Lol. "What we have here is failure to communicate" I LISTED one for you above and gave the data source. So again: Not cheap stuff! Here's another Very poor performing; same money can easily buy >100k psi You're right oosik... this thread IS getting old. I'm done with it.
  88. dadohead

    Which oil is better??

    I run Deere oil because, as an engineer, we test product at Deere using it, the farmers around me run it in their machinery, and contractors I know run it in their entire fleets.... but I've never seen test data on it. Deere's oil 'brain trust' is at the Tech Center... never talked to them. If...
  89. dadohead

    Which oil is better??

    I'm an engineer, use Amsoil in my go-fast car, use Deere diesel oil in my CUTs, but don't have a dog in this fight. I like data. I got this test data blog from fellow engineers at JD Horicon Works before retirement. 540 RAT too is an engineer and KNOWS his stuff. Rankings start about 1/8 of...
  90. dadohead

    Which oil is better??

    Lol What is stunning is the WORST oil on 540 Rat's list... and how bad it is!
  91. dadohead

    Which oil is better??

    https://540ratblog.wordpress.com/ Per 540 Rat rankings: 2) 5W30 Amsoil Signature Series 100% Synthetic, has no certification labels, but claims it can be used in applications that require GM dexos1-Gen2, ILSAC GF-6A, API SP = 141,851 psi This oil was tested in Spring 2021. zinc = TBD phos =...
  92. dadohead

    Original Tractor Cab Install/Removal Techniques

    My wife ordered me an Original tractor cab last year just in time to install before a 1 1/2 week long, below zero cold snap. Wow... should have done that years back! No more 'reading the wind' before pointing the SB spout or getting frosted by a sudden wind shift. So, the cab was initially...
  93. dadohead

    Engine oil for hot temps

    Studies show high weight oils offer better protection at critically high temps. This is the best test data I have ever found on oil. Oil rankings start about 1/8 the way down. Make a link to it because it gets updated as new oils come out. https://540ratblog.wordpress.com/ I keep waiting...
  94. dadohead

    Engine oil for hot temps

    I'm a retired tractor engineer. Your statement not only does not address the OP's "oil in hot weather" question but doesn't even pass the 'smell test'. Tractors live in an environment where they will often get fouled during a session. It's not if they'll get hot it's when they'll get hot...
  95. dadohead

    Engine oil for hot temps

    Oil temperature is NOT just set by the thermostat. Tractors get put in numerous situations where the screens get plugged with debris and limit cooling. Then the thermostat is open and you're running on whatever cooling capacity you have left. Many tractors don't have much cooling headroom...
  96. dadohead

    Return Cut for Toe kicks / Baseboard

    I apprenticed in my father's mill/cabinet shop right out of high school. Got sent out for cabinet installs and trim carpenter work quite a bit too. My dad called this operation "returning a molding to itself". Cut the 45 deg miter first on your miter box. Next, straight cut the return...
  97. dadohead

    John Deere small tractors - best engine oil?

    My machines live in a heated shop so 'cold' start is a non-issue. I put less than 50 hrs/yr on them so change oil once/year. The OM shows XXw30 operating range to 100 deg F. XXw40 pushes that to 125 deg F. I do plenty of hot Spring/Summer mowing where the hood and radiator screens become...
  98. dadohead

    Stump grinder

    This is very helpful info... your B2620 is similar weight/power to my 2520. I see that many users seem to use their grinders without a quick hitch. I have one and would be reluctant to remove just to grind stumps. The increased overhang couldn't help things though. Do you run your WG24 with...
  99. dadohead

    John Deere small tractors - best engine oil?

    Like Rat says in his blog... "Motor Oil Industry is the worst for fraudulent claims and false advertising. Buyer beware…" It can really be confusing. I've been waiting for years for him to do a full shoot-out on diesel oils so I can see the rankings on Deere oil, Cat, etc. I'm a retired...
  100. dadohead

    Drill Press Cross-Feed Table

    I served my apprenticeship and worked as a journeyman patternmaker at CAT in the 80's. A disk IS the tool to straighten a metal edge. You don't just shove it up to the disk. The workpiece is started with only several inches on the disk and then lightly slid across... much like feeding wood...
  101. dadohead

    Drill Press Cross-Feed Table

    DISK sander/grinder... not a belt. Belts don't sand flat/straight; disk sanders do. READ. Or you can goober you're DP and have 2 projects...
  102. dadohead

    Drill Press Cross-Feed Table

    Really a bad idea. Drill presses are not designed for the large side loads at the chuck... as stated above you'll damage the taper or bend a spindle. I had an old Palmgren XY rotary table... good for precision drilling only. I have a mill so never used it. Snag a disc sander/grinder. A 12"...
  103. dadohead

    TODAY'S GUN TIME

    Ever watch "Vortex Nation Podcast" on YouTube? I find the in-depth rifle commentary really good. Anyway, I emailed Ryan Muckenhirn (their all things precision rifle/cartridge expert) with questions detailing the latest techniques on working up loads for precision rifle. My dad re-barreled a...
  104. dadohead

    TODAY'S GUN TIME

    Hi Mike... I ordered 1/4" 22 rated animal silhouettes from Quality Target. They are just A36 mild steel so they cut and weld easily. https://www.qualitytargets.com/animal-silhouettes/?sort=newest&page=2 They were ~$12-$15/ea including shipping. Then I marked them up and cut out the zones on...
  105. dadohead

    TODAY'S GUN TIME

    Thanks for the nice words everybody. We're big metal target clinkers out here so also fired up the welder on five new 22 spinner targets. I'm not much of a welder you can tell but the targets are holding up (grinder and paint make me the welder I ain't). Kill zone diameters are 1", 1.25"...
  106. dadohead

    Stump grinder

    Good to know. I've been hiring it done for the last two Springs. Had 40 Ash stumps ground this year 12"-36". The tree service had two machines (a stand on Vermeer and a big dog pulled behind a medium duty truck) at my place for 6 hrs. Cost $800. I would love to do it myself but am concerned...
  107. dadohead

    TODAY'S GUN TIME

    I'll try again... I love nice wood gunstocks too. Can't find what I wanted so decided to custom build this year. Ordered a Vudoo V22 action in 22lr and pillar bedded it in a GRS laminate stock myself. She a shooter with a NF 2.5-20 and Lapua Center-X!!!
  108. dadohead

    Help me decide - Husvarna GT48DXLS or Simplicity Prestige

    Lol... ANYTHING with a K71 is NOT a lawn tractor. Very capable ground engagers: garden tractor. OP wants to mow too. Old Wheel Horse and Gravely mowers are not very good... certainly nowhere near Simplicity's cut quality.
  109. dadohead

    TODAY'S GUN TIME

    I'm new to TBN. Love this thread. Have posted w/ pics before and tried here but got: "you don't have permissions..." So I deleted the post.
  110. dadohead

    Help me decide - Husvarna GT48DXLS or Simplicity Prestige

    Hi... I retired from John Deere Horicon Works in '16. Oh yeah, SB's really add to the steering effort... using power steering/lift with a SB or blade is HUGE. I know which one I'd pick ;<)
  111. dadohead

    Help me decide - Husvarna GT48DXLS or Simplicity Prestige

    First off... welcome to TBN! I'm new here too. I used to engineer tractors in another life (before retirement). I think I can help. Know that the weakest link in most any consumer tractor is the transaxle. Component life comes down to how much torque is routinely placed on the rear axle...
  112. dadohead

    Buying Advice Is it possible to go too big?

    REALLY good advice given so far... You mention wanting to get young children involved so hopefully I can add something useful. Please be aware of an accident scenario which is more common than you think: child back over. I used to have a job where I would see these cases. Child back over...
  113. dadohead

    Change oil before winter even though hours are low?

    Years ago another engineer at Deere sent this link to me on all things oil. Fantastic data! Changed the way I service my own cars/trucks. The oil rankings start about 1/8 of the way down. He discusses break-in oil (not a good thing!) I still reference his rankings now and then as it is...
  114. dadohead

    John Deere small tractors - best engine oil?

    I agree! Someone in Deere Engineering sent me this link years ago. Really valuable data; I have changed to different oils in my own cars/trucks because of it. Tractors? I still use Deere oil. I figure if it's good enough for a $200k combine or $300k excavator... good enough for my CUTs...
  115. dadohead

    Quiet muffler

    As mentioned, intake noise can be considerable but is normally drawn with the cooling air because it is introduced to the tractor in the cleanest area possible. The cooling air sound is more offending yet. The safety standards (governing a tractor in the 430's class) dictate that they pass an...
  116. dadohead

    Quiet muffler

    Oh man... sorry you've had trouble. It's like hearing one of your children is out terrorizing the countryside.... "what has he done now?" It's been 30 years; I had just transferred to Horicon Works. I remember working with Yanmar engineers to get it solved (I thought). I ordered high...
  117. dadohead

    Quiet muffler

    Is the muffler on your Kioti mounted to the engine? Diesel? If so... you may reconsider touching it. I worked on a muffler problem back in '93 on the John Deere 430 garden tractor. The muffler had a high service part usage and it needed to be investigated. The mufflers were cracking through...
  118. dadohead

    How much damage am I likely to have done to my new tractor?

    I seriously doubt that you've hurt your tractor in any way. I'm a retired JD tractor/mower engineer. The reason mid-mowers don't have a mechanical 'fuse' in the system is that it wouldn't help. Most of the system's energy is in the running mower; the drivetrain is seeing high rpms but low...
  119. dadohead

    How much damage am I likely to have done to my new tractor?

    Dang... you've unknowingly given your mower the 'stake test'. It's a safety standards test we do when developing mowers to make sure nothing flies out or skitters across the ground when a mower contacts something hard... injuring someone. In this country (ANSI B71.1 test) a 1" steel rod is...
  120. dadohead

    Tractors and wood! Show your pics

    Thanx for the nice words everybody... fun to be here! I hear you about the durability of using pallet based pods. I've been ready to bring the broken ones into the shop when empty for 'rework' but haven't needed to work on any yet. Broke 2 that first year when they froze down... nothing...
  121. dadohead

    Tractors and wood! Show your pics

    I'm new to this forum; a TON of knowledge here! Like so many here I do use my tractor to process wood; here is our story. My JD 2520 (and my wife's help!) is indispensable in doing this job. After felling, I typically skid the trunk and top together (if possible) out of our woods and...
  122. dadohead

    lift capacity vs. breakout force

    Dead on... The bucket force is designed to overcome the crowd which can in-turn overpower the boom. That way the operator always has one more trick in his bag and doesn't get the bucket stuck.
  123. dadohead

    Dual Blades on Finish Mower

    Wow... I'm impressed with all of your experimentation! In my 25 years as an engineer at Deere, I spent about 8 years in the mower group developing finish mowers. That's how it's done... experimenting. It's a "black art". I made Senior Engineer when I was a 'deck head' and immediately set out...
  124. dadohead

    Looking for a JD to replace my Craftsman

    Sorry but your 1977 JD 300 shouldn't be put in the same sentence with a newer 100 series with K46 transaxle (L, X300, or X350). The old Sundstrand transaxle and horizontal shaft drive has a design life WAY beyond 350 hrs. To the OP's question of engine choice... it doesn't matter. Any engine...
  125. dadohead

    Looking for a JD to replace my Craftsman

    Agreed... for ~350 hours.
  126. dadohead

    Looking for a JD to replace my Craftsman

    You're focusing on the wrong end of the tractor IMHO. The transmission is the weak link in any lawn tractor. Deere tractors have 3 levels of transaxles: K46, K58, K72. All are made by Tuff Torq in Tennessee. Because the tractors all look similar in size, buyers tend to overlook the...
  127. dadohead

    Meg-Mo blades

    Thx for the greeting! Geese are still here... goose poo abounds. Have found a mower blade that can pick it up yet!
  128. dadohead

    Meg-Mo blades

    I'm a retired JD engineer. I put many of the tractors/mowers discussed here into production. I was just giving some insight into why OEM's do what they do. My Meg-Mo comment is just an opinion... and you know what they say about opinions! ;<)
  129. dadohead

    Meg-Mo blades

    As previously mentioned most mower blades are made from medium carbon steel... 10B38 actually. It has a high boron content which allows easier cold or hot forming but can be through hardened to that magical HRc 40-45 tough range. Why don't the OEM's use something harder? They would except...
  130. dadohead

    X300 42" Mower Blades

    I'm a retired tractor engineer and worked on many of the machines routinely discussed here. It is hard to design power equipment for the masses as there are always people on the 'fringe' that really DO need every bit of safety you can design into a product. Some safety devices (like a seat...
  131. dadohead

    Offset Rear Blade

    When I bought my JD2520 in 2011 I also bought a new Frontier RB2072 rear blade to clear snow from my 1/4 mile lane. It could only offset by unbolting the blade, shifting, and re-attaching. What a pain. I had it a few years but ended up selling. While looking for an offset blade, I borrowed...
  132. dadohead

    John Deere 415 PTO mystery

    I was an engineer on the 400 series Deere tractors back in the early '90's... completely forgot about the 415! It was an attempt to offer Europe a cost reduced 400 series that also met their demand for collection. It was pretty low volume (400/yr?) so cutting costs from its bigger brother...
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