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  1. #1
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    Default DISC HARROW "PRIMER" AND HOWSE DISC HARROW REVIEW / PHOTOS

    I live in north-central Florida. My soil is nearly rock free sandy loam, what rock there is consists of soft lime-rock. My soil presents a MINIMAL CHALLENGE for disc harrows.

    February 28, 2013 I took delivery of a Howse 3-Pt. disc harrow, Model DLHT16822B, from my local Kubota/Howse dealer. The dealer, from who I bought my tractor, recommended I consider the DLHT. At the time I was researching Land Pride, Everything Attachments (ETA), TSC/Countyline and Monroe Tufline.

    Howse DLHT is a box frame 16/18 disc harrow, meaning 16 discs, each 18" in diameter. It cuts a swath nominally 5'6" in width, adjustable by moving the disc hangers. Howse, Land Pride, ETA and Tufline box frame discs referenced in this post are spec'ed as 16/18, 5 to 5'6" wide for consistency. Most manufactures also offer a 20/18 option.

    Howse conservatively describes the DLHT series as MEDIUM DUTY. The Howse DLHT16822B weighs 587 pounds. It has a 1" axle on sealed flange bearings. I paid $950 delivered. (No sales tax in Florida on ag or forestry equipment.)

    ( Howse also sells DHT Series disc harrows with 20" discs and 1-1/8" axles, which Howse describes as HEAVY DUTY. )

    Default Howse configuration is 16/18. My primary objective involves CUTTING, opening new game feed plots, maintaining vegetation free fire breaks and renovating pasture, not smoothing plow furrows. The harrow weight on 16 discs, rather than 20 discs, puts more cutting weight on each disc. (There is a T-B-N consensus that to cut effectively disc harrows should have 40+ pounds weighting each disc.)

    Tractor users with SMOOTHING (plow furrows) as their priority may want to consider the 20/18 or 20/20 configuration.

    Disc harrows come with two types of discs: notched and smooth. Notched discs cut pasture grass and crop stubble better; in open soil notched blades jerk out trash, meaning vines and tree roots, which often stick in the notches. If you have a load of rocks in your soil, bear in mind notched discs deform easier than solid/smooth discs. The Howse DLHT ships with notched discs front and rear, good for my conditions and objectives.

    Discs for compact tractor harrows come in 16"-18"-20" diameter. The issues with diameter are concavity, wear and lift. Smaller diameter discs have less concavity (less "float") than larger discs, so they cut deeper. Larger diameter discs will wear longer before needing replacement and, with greater concavity, move more soil laterally. Discs of larger diameter require more lift from the three point hitch. A disc harrow heavier than the Howse DLHT may have thicker, heavier discs.

    Generally speaking sub-compact tractors will use 16" diameter discs, mid-size compacts 18" discs; 50+ horsepower utility tractors may opt for 20".

    The Howse has a dropped double clevis to receive the draw pins. On a compact tractor a dropped clevis is nice; it allows the 3-Pt. to lift the harrow sooner. Note pictures showing harrow in the air. Minimum disc height above ground is 14-1/2". I prefer a wide double clevis to accept draw pins. The TSC Countyline has "open" draw pins attached to the harrow frame; in a "normal", undropped position. The Land Pride DH1560 has dropped "open" draw pins. The Howse, with its wide, dropped, double clevis is the easiest implement I own to mount in the 3-Pt.
    ( Most difficult is 60" King Kutter Rotary Harrow.)

    The local Tractor Supply Company (TSC) sells a seven foot wide, box frame 20/18 Countyline disc, manufactured by Tarter, of similar design to the Howse, as HEAVY DUTY. Tarter's Heavy Duty description is perhaps "trade puffery". (Tarter/TSC disc in three photos is 7' width.)

    The Howse and TSC Countyline/Tarter harrows have same system of gang adjustments, but the Howse has five adjustment holes, the TSC four. Both have three through bolts/nuts clamping upper and lower adjustment plates, which have two rib guides on the top plate mirrored by two rib guides on the bottom plate. To adjust the gang angles, the two outer bolts/nuts are loosened, the center bolt removed, then the gang is pulled and jiggled to line up holes in sliding adjustment plates with fixed holes in harrow frame, using gang lenghth for leverage. The center bolt is replaced and all three bolts/nuts tightened. {Loosening/replacing bolts/nuts is a time consuming process.} I have applied wax lube to the harrow frame over which the adjustment plates slide. Right now, new, it adjusts pretty easily. I understand with use, rust, dust, deformity, etc., gang adjustment becomes harder. However, I expect to settle on a 'default' setting soon and only change the gang angles infrequently thereafter. Photo #5: Currently the front gang is set one hold forward from "flat", the rear gang is set all the way back, as "flat" as allowed but still at a shallow angle.

    Some TBN threads suggest substituting a 5" pin as a pivot in lieu of the center bolt. With only a center pin, it seems possible the center support could "jump" the guides; stay with the center bolt and nut.

    Relative to the TSC, the Howse is a slightly simplified/KISS design, its parts more precisely cut, welded and finished.

    Two 5' - 6' disc harrows could be accurately described as HEAVY DUTY, by design and by weight. Both adjust gang angles more readily than the Howse/Countyline friction plate system but cost more $$$.

    Everything Attachment's ETA-XD-BF-DH-16-18 disc harrow weighs 686 pounds and is priced at $1554 delivered to Fanning Springs. The ETA disc has two long gang adjustment screws, one on each gang, to adjust the gang angle of attack. I admired ETA disc at the Sunbelt Ag Expo in Georgia. Leinbach box-frame disc harrows use a functionally identical screw adjustment.

    Monroe Tufline's THE71618BF disc harrow (1-1/8" axle) weighs 670 pounds and was quoted at $2100, plus a local delivery charge. The Tufline has lever adjustment of the gang angles. I researched the Tufline 'THE' discs on Tufline's very basic web site. I have not seen a Tufline live but the Tufline brand has an excellent reputation.

    Price is not the first priority when I purchase attachments. However, my sandy-loam is not challenging to disc so I bought the Howse as adequate and a good value.

    I pull the Howse behind a Kubota B3300SU tractor/loader ( 33-hp / 1,900 pounds / 4-WD / 58" tire width ) Tractor and DLHT disc are a good match.

    It is important to tighten the four axle nuts regularly on a new disc harrow; they loosen. My Howse vender told me that if the axle nuts are tightened regularly the entire gang assembly settles in eventually and thereafter axle nuts require tightening infrequently. As an experiment I have replaced OEM split ring lock washers on left side with Swedish Nord-Lock anti-virbration lock washers. (See Photo #4) The right side is OEM stock. I will report results. A secondary test for tightness involves "ringing" the discs with a mallet when the harrow is elevated above soil. A loose disc will give off a flat tone.

    If axle bolt is not kept tight, disc hubs and axle will work each other, ruining one or both.

    After around 20 hours pulling the Howse its ground engagement has been completely satisfactory.

    Howse offers its harrows in Kubota orange paint. Thank you, Howse. Standard Howse color is red.

    Two complaints: No operator's manual with the Howse. I like manuals. Photo #10: When adjusting the rear gang I found the left clamp bolt to be 4-1/2" long, instead of 5" like the other five clamp/adjusting bolts. Sloppy assembly. So I drove 20 miles/round trip to Tractor Supply for a 5" replacement. I am adding upper/lower flat washers to six gang angle adjustment bolts to preserve the paint.


    HOWSE LINK:

    https://store.howseimplement.com/ind...all-brg-1.html
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    DISC HARROW "PRIMER" AND HOWSE DISC HARROW REVIEW / PHOTOS-img_0581.jpg  
    Last edited by jeff9366; 03-28-2013 at 09:13 AM.

  2. #2
    Veteran Member Piston's Avatar
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    Default

    Jeff. Excellent review! Thank you for such a detailed and informative post.

    It's nice that you took the time to do that just to benefit all of us.
    Kubota L4610 and John Deere 410 - WR Long 64" Grapple (best attachment ever!) QA front forks, rear forks, Brown 472 HD Rotary Mower, Land Pride RBT4096 hydro blade, Woods 7200 Power Rake, homemade 3 pt log splitter, Land Pride rake/blade combo, Land Pride HRL 3578 box blade (Hydro scarifiers), Shaver SC50 3 pt. Stumpgrinder, FitRiteHydraulics TnT, 6" Vermeer PTO Chipper (Hydro feed), Disc Plow, Ratchet Rake, LP HD25 Hydraulic PHD, Woodmizer LT15 portable sawmill
    Rear Remotes Install

  3. #3
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    Default Re: DISC HARROW "PRIMER" AND HOWSE DISC HARROW REVIEW / PHOTOS

    I did a lot of T-B-N disc harrow "big picture" research. I received a lot of useful information from members, npalen, especially.

    My wife likes Crossword Puzzles. I try to maintain my writing skills in retirement through contributing T-B-N posts.

    Today I figured out one can compose and edit potential T-B-N posts in "Word" then, when satisfactory, copy and paste into a T-B-N thread.

    [ EUREKA! ]
    Last edited by jeff9366; 03-28-2013 at 03:29 AM.

  4. #4
    Super Member Gary Fowler's Avatar
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    Default Re: DISC HARROW "PRIMER" AND HOWSE DISC HARROW REVIEW / PHOTOS

    DISC HARROW "PRIMER" AND HOWSE DISC HARROW REVIEW / PHOTOS-img_1208.jpgIt looks like you got a good heavy framed disc. You can always throw on some railroad track across it for extra weight. I have 2 lengths about 6 feet long on mine and it cuts good in all but the hardest soil. I was disking up a pasture for my brother in law after he fertilized and seeded and I had to carry it to keep it from going too deep. As you can see from the shine on the blades, it was cutting over 4" deep and would have been cutting to the axle spools if I hadn't held it up.
    2010 LS P-7010C 20F/20R gear tractor & FEL, 2009 Kubota B 26 TLB, RTV 900 Kubota,17 foot Lund boat with 70HP motor, 2012-20 ft 12k GVW trailer, 2011- 52" Craftsman ZTR mower, 3 weed whackers, pressure washer, leaf blowers, 7 foot bush hog, 8 foot landscape rake , 8 foot 3 PH disc, 2 row cultivator, 350 amp CC AC/DC welding machine and all the tools needed to keep them all repaired and running.

  5. #5
    Veteran Member
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    Default Re: DISC HARROW "PRIMER" AND HOWSE DISC HARROW REVIEW / PHOTOS

    Quote Originally Posted by Gary Fowler View Post
    Click image for larger version. 

Name:	IMG_1208.jpg 
Views:	729 
Size:	530.3 KB 
ID:	310220It looks like you got a good heavy framed disc. You can always throw on some railroad track across it for extra weight.
    Where does one buy "used" track?

    We have plenty of railroads in my area due to phosphate and limerock quarrying, but I have not the slightest idea of where/how to buy used rails before Nucor recycles the steel.

  6. #6
    Super Member Gary Fowler's Avatar
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    Default Re: DISC HARROW "PRIMER" AND HOWSE DISC HARROW REVIEW / PHOTOS

    Beats me, I know they( RR ) do scrap them. They run so long on each side till the radius is out of spec, they turn the outside in and run it till it rounds too much again and then it is scrap. I have never seen a place selling them. One might be able to "pick them up" from a rail road repair crew for a few well greased palms.
    2010 LS P-7010C 20F/20R gear tractor & FEL, 2009 Kubota B 26 TLB, RTV 900 Kubota,17 foot Lund boat with 70HP motor, 2012-20 ft 12k GVW trailer, 2011- 52" Craftsman ZTR mower, 3 weed whackers, pressure washer, leaf blowers, 7 foot bush hog, 8 foot landscape rake , 8 foot 3 PH disc, 2 row cultivator, 350 amp CC AC/DC welding machine and all the tools needed to keep them all repaired and running.

  7. #7
    Veteran Member s219's Avatar
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    Default Re: DISC HARROW "PRIMER" AND HOWSE DISC HARROW REVIEW / PHOTOS

    Great writeup, thanks.

  8. #8
    Veteran Member
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    Default Re: DISC HARROW "PRIMER" AND HOWSE DISC HARROW REVIEW / PHOTOS

    CLEVIS: U shaped metal shackle with the ends drilled to receive a pin or bolt used for attaching or suspending parts.

    DOUBLE CLEVIS: Two 'o them.

    The Howse rather ART-DECO/ROMAN/BAUHAUS draw pins supplied with DLHT. Anyone know the vender?

    Generous space within double clevis: three inches.
    Attached Thumbnails Attached Thumbnails DISC HARROW "PRIMER" AND HOWSE DISC HARROW REVIEW / PHOTOS-img_0579.jpg   DISC HARROW "PRIMER" AND HOWSE DISC HARROW REVIEW / PHOTOS-img_0597.jpg   DISC HARROW "PRIMER" AND HOWSE DISC HARROW REVIEW / PHOTOS-img_0598.jpg   DISC HARROW "PRIMER" AND HOWSE DISC HARROW REVIEW / PHOTOS-img_0599.jpg  
    Last edited by jeff9366; 03-30-2013 at 07:06 AM.

  9. #9
    Super Member texasjohn's Avatar
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    Default Re: DISC HARROW "PRIMER" AND HOWSE DISC HARROW REVIEW / PHOTOS

    Very nice write up. I noted it was well composed...even had nouns and verbs...wonderful

    When you become really loquatious, you will discover there is a maximum character count allowed in a post. So, don't be surprised if you become too Word wordy
    Joy is having the tools you need and needing the tools you have!

    Kubota 5030 HSTC, BB, Danueser PHD, LA853 QA HD FEL w JD toothbar, 3pt chisel, 3 pt disk, 6' shredder, Kubota FEL hay spike, 3pt hay fork w carryall, Kubota RTV 1140

  10. #10
    Veteran Member
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    Default Re: DISC HARROW "PRIMER" AND HOWSE DISC HARROW REVIEW / PHOTOS

    Needed the Howse disc harrow today, to surround a new burn pile with a fire break.

    Before starting to work decided to change angles on the disc gangs to more aggressive positions.

    This created occasion to swap out adjusting nuts/washers for alternates, for easier gang angle changes.

    Photo #1 / Rear Gang Replaced one short 4-1/2" bolt with correct length 5/8" X 5" bolt. (See Post 1, bottom)
    { Howse: You owe me $3.52 plus tax for bolt; labor gratis. }

    Reversed six adjusting bolts to locate nuts on top for easier access and inspection. Added 5/8" washers under hex heads to preserve frame paint. Greased bolt threads with anti-sieze compound, added one Swedish Nord-Lock anti-vibration washer to threead end of each 5/8" bolt; replaced OEM nylock nuts with "plain" nuts. Nylock nuts gradually lose effectiveness when tightned repeatedly plus they have to be run down all the way with wrenches. Nord-Locks hold forever, plus anti-sieze can be used on bolt threads, plus "regular" nuts can be run down by hand, then wrenched tight at end. Nord-Lock fused-two-part washer visible next to ratchet end of spanner.

    Bought a 15/16" Crescent (brand) ratcheting spanner on eBay, $15 delivered. Very helpful in confined spaces on disc. Since I must loosen or remove six bolts/nuts/washers to experiment with gang adjustments I have made wrenching convenient.

    Photo #2 New gang adjustment secured. NOTE: Two more aggressive adjustment holes available on front gang, three more aggressive adjustment holes available on rear gang.

    Photo #3 Results. No "wake" trailing behind harrow. HST in "MED" with a little extra hand throttle; 4-WD engaged. Not enough power to pull with HST in "HIGH".

    Dry but not hard field. I will have to "X" disc field a third time to kill tough Bahia pasture grass with 8" roots.

    LINKS:

    10 Pair Qty 20 NL16 5 8" Carbon Steel Nord Lock Vibration Proof Lock Washers | eBay

    New Crescent FR30 15 16" Ratcheting Combo Wrench | eBay
    Attached Thumbnails Attached Thumbnails DISC HARROW "PRIMER" AND HOWSE DISC HARROW REVIEW / PHOTOS-img_0628.jpg   DISC HARROW "PRIMER" AND HOWSE DISC HARROW REVIEW / PHOTOS-img_0629.jpg   DISC HARROW "PRIMER" AND HOWSE DISC HARROW REVIEW / PHOTOS-img_0630.jpg  
    Last edited by jeff9366; 04-26-2013 at 08:30 PM.

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