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That is a 6' CountyLine blade from Tractor Supply. I will give it a try in reverse next time. I've been running in 2nd gear with the PS in 2nd or 3rd.

Hey everyone! Been awhile since I checked in. Everything has been running great! Worked the tractor hard this weekend. We had a major storm roll in and got over 2 feet of snow. Took some time figuring out the best methods to clean that amount of snow up with the Yanmar, but got it done! I ended...

Had a few hiccups when I first went to test it but it's looking good. First test I made it 5 minutes before the hose from the pump to the diverter burst. It was an old hose that I re-used because I thought it looked good. Got that replaced and everything ran smooth on the second test. Moved some...

rScotty and Winston are geniuses! Winston nailed it, I was missing the 1/4" plug and rScotty had the theory right - I had high pressure on both sides of the controller. Sure enough I checked the old tractor and found the 1/4" plug right where Winston's diagram showed it was supposed to be...

Exactly. I think that is how it is hooked up and how it was intended to be used. Just missing the plug Winston mentioned. Pump Out -> Diverter -> FEL/PS FEL -> 3PH through PBY -> Sump PS -> Sump I’ll get out there late today or tomorrow to confirm if I’m missing that plug and these theories...

Thank you guys, that plug may be the missing piece and may be installed on the old tractor and I didnt realize it. Let me see if I understand this: Current state = no plug. Therefore ports A and B are both internally connected and receiving high pressure from the pump. This results in high...

Thank you rScotty! I’ll do some digging and report back.

Here's a video of the plumbing on the tractor. Apologies if my terminology is incorrect. Thanks for clearing that up rScotty. Yes I removed the cleanable hydraulic filter and cleaned it. First I removed the upper drain plug and drained the fluid. Then I removed the cleanable filter through the...

Sure thing, I’ll get a video up shortly. In my searches tonight I realized that deadheadding the pump is a thing. Apparently it’s a no-no to run the tractor with the loader not connected unless the quick connects are plugged into themselves? It makes sense in theory, but doesn’t based on the...

Late on an update. Got the fluid changed, cleaned the strainer which was totally gunked up, hooked up all the hydraulic lines, and finally was able to test it out today. The only problem is the hydraulics aren’t working. Power steering isn’t doing anything and the loader isn’t doing anything. 3...

Turns out the hydraulic fluid drip was coming from one of the bolts. I believe the gasket around the bolt hole has a small leak which allowed hydraulic fluid to reach the bolt. The fluid then traveled up the threads and out between the bolt head and lock washer. I removed the bolt and added a...

Hoping I solved the hydraulic drip for now - found a small 1/8” spot between the transmission housing and the rear of the tractor where a tiny bit of fluid appears to be seeping through (drop or 2 a day). Instead of splitting the entire tractor I used some gasket sealer and so far it looks to be...

Thanks Winston! Got the knuckle seals replaced this afternoon and new gear oil put in. So far so good!

I never got to really test the loader on the old tractor. It lifted and curled properly but it was a one second test not under any load. I have seven lines connected at the controller. The hoses will all be replaced as they are falling apart, but I planned on using everything else. When sitting...

Was able to do some learning and testing this week. The three point hitch, locking valve and both pto speeds seem to be working. The brakes don’t do much so I need to look into whether or not those are adjustable. I have had a leak on both sides of the front axle at the knuckles so I ordered...

Hey Ducman, I joined here recently as well and have had tons of help from various members. Im sure someone familiar with this machine/issue will comment soon. In the meantime, I have found a service manual to be extremely helpful as well as Hoye tractor for parts and info. There is also a search...

Guess what guys...she runs!!! I can't thank you all enough for helping me get this far. I'm not done yet but today was a huge milestone and relief. I got the side covers and hood back on tonight and look forward to running it around this week and learning the various controls. If everything...

Better than nothing 😆. Worst case they stay in a box to the side and we see what happens

Parts are delayed, not sure what the deal is but they haven’t arrived yet. I have a few “spare” parts. Does anyone have any thoughts on where these items would go? It’s also very possible they have nothing to do with my tractor and just fell into a box while sitting in the previous owners garage.

It’s surprising how many mistakes there are to begin with. It’s forced me to slow down and try to really understand what I am mechanically about to do instead of blindly following directions. Can’t say that’s a bad thing. Tightened up a lower radiator hose and stopped the slow drip leak from...

Went with the 27 ft lb spec and got the rocker shaft assembly secured. Went ahead and adjusted the valves, they were extremely loose and I almost made another big mistake. Similarly to the 40 ft lbs vs 27 ft lbs, the valve adjustment in the manual had a typo and said .080” instead of .008”. I...

Well that's dumb. I was following along on page 13. Thank you Winston, at least it's an easy fix moving forward. BMaverick, I think in your manual the part I'm referencing is the rocker arm support at 45-52 ft lbs, no?

Big night tonight. I installed the pistons with new bearings and rings, got the oil pan back on, new oil filter, new head gasket and installed the head. Everything went super smooth up to this point - I used a bunch of assembly lube and triple checked torque specs before closing things up...

Thanks Bmaverick, I double checked and the specs from the manual I was referencing are provided in inches. The new tractor also came with an original service manual (not a reprint) and it is night and day better than my reprinted one. All of the pictures are crisp and no sections are missing or...

Took the valves apart today and cleaned them up. A friend told me to use a dry erase marker and color on the sealing face of the valve. Then, put the valve in, twist it 90 degrees, remove it and verify that the dry erase marker was cleaned off 360 degrees around. All the valves passed this test...

Thanks Bmaverick! I did some more digging now knowing the 3t72sa came from the YM1502 or YM1510. It appears that several OEM numbers were used originally but if you were to replace the injection pump today, several of them cross reference to the same IP-375 pump. Between the Hoye site and...

One thing I have some questions on is the injector pump. My original YM226d had a 721550-51700 T86 injector pump. This new tractor came with two injector pumps, one is a 721550-51700 that is completely disassembled and stored in plastic bags, the other is a 3T72SA injector pump and is currently...

Here's a bunch of pictures to show how I picked it up and some of the initial discoveries: Head: Two of the old pistons that were damaged due to starting fluid: Old bearings:

She's mine! Just finished up sorting and organizing everything. Got the old tractor and parts buttoned up and put to the side and laid out all of the new tractor parts and pieces. Everything looks awesome so far and the new tractor is extremely clean and rust free. I have all the old parts as...

Looks like I'll be pulling the trigger on this. Hope to have the new tractor by the end of the weekend. Thank you all for the feedback.

I've been searching all over for various options to keep this project moving forward and have found little as far as tractors/engines for sale go. I've been checking ebay, craigslist, tractor auction sites all over the country and then this just popped up for sale and is less than an hour from...

Spoke with a local machine shop today and determined the block and crankshaft are not worth fixing. All options moving forward appear very expensive and I'm not even sure how the rest of the tractor functions. It would suck to shell out 3k+ to get the parts and rebuild the engine just to find...

Pulled the crankshaft out and with it came the intermediate main bearings/housings. Below is a video showing the condition of the bearings/housings. After taking the intermediate bearings off I cleaned the crankshaft and set out to begin inspecting/measuring it to see how far out of tolerance...

I’m guessing based on not much experience, but I think you may be correct. I did replace the oil pressure switch at some point, the light did come on, but I didn’t think much about it given the limited time I actually had the tractor running. I’ve been debating with myself whether I caused all...

Picked up a pulley puller today and got the timing gear cover off. More broken things.

Took the rear main housing off and started to realize just how bad this is going to be. If I'm not mistaken, this was a circle when it started and the bearing/crank did not have an 1/8" of play to bounce around.

Guess I'll just keep disassembling for now and see where we go from here.

I bet it explains why I was leaking oil from the rear main area :rolleyes:

Thanks for the comments guys. No build up on the pistons prior to the video, that's how they came out. The connecting rods all appear flat and show no signs of twisting. The oil definitely sat for awhile and hadn't been changed in years, but the tractor also hadn't been touched in years. When I...

Thanks for all the info as usual. I looked into the potential crack but I don't see anything so I think that crisis may be adverted. The cylinder sleeves are tough to see but I attempted to take some pictures and I think better pictures of the piston damage will help show the potential sleeve...

I think these pictures worked? The second picture is a sample of some of the metal I pulled out of the pan. There is also a lot of fine metal. I'll add more tomorrow.

Great video, but no I don't see anything resembling it. I really need to figure out how to post pictures here.

Been working on the tractor a bunch and overdue for an update here. After removing the head and getting my first good look at everything I decided I was going to pull the pistons and inspect the rings, sleeves, etc. Unfortunately everything I've found doesn't look good. I removed the oil pan to...

Behind schedule but making progress. I pulled the head the other day and got my first look inside. In general things appear to be in good shape. The only noticeable thing to me is that 1 valve is discolored compared to the others. I have 1 valve that is a greyish color and appears dry while the...

Still here, just slightly delayed. Opening it up any day now.

Managed to squeeze the tractor into the overfilled garage. Hoping to get the head off and see what I’m working with in the next few days.

Ran the wet compression test today and got improved results - 350 psi in all three cylinders. So I went from 280-250-250 to 350-350-350. I think this demonstrates that the rings are not sealing well enough to maintain proper compression, however I'm not sure I can only blame the rings as there...

Im doing some research on compression and leak tests. Im having trouble coming up with the connectors and adapters required to connect a compressor to the injector adapter - but in my searches I found people discussing wet vs dry compression tests. Dry compression testing is what I already did...

Unsuccessfully tried to use the borescope today. I realized pretty quick when trying to insert it down the injector hole that the pre-combustion chamber is still in place. The borescope is much too big to fit through any of the holes in the chambers and the chambers seems to be pretty well stuck...

Thanks CoyPatton, that process makes a lot of sense. Mind helping me clarify a couple of details? 1. What PSI should I be using for testing purposes? Will 50psi get it done? 100? Just need to determine if I have to borrow a big compressor or if I can make do with what I have. 2. Can I use my...

Valves didn’t appear to be way off, although I’m not sure how much they would need to be off in order to notice a difference. Regardless, I adjusted them all to .007-.008 using a feeler gauge set and followed the process in the procedure linked above. I rechecked compression after playing with...

https://www.hoyetractor.com/valve-set.htm Seems pretty straight forward, I'll give it a go

Thanks runningbird. Using the process I just mentioned above, with no decompression lever, my results were 305psi, 250psi, 255psi. I have not checked valve clearances before - on this tractor or in general - so I will go read up on that process. Thanks CoyPatton.

Just to be clear I'm doing this right: - Disconnect fuel lines and fuel return lines - Pull all 3 injectors (label/keep track of which cylinder they go in) - Insert Hoye compression adapter in place of injector. I am placing the adapter on top of the fiber washer and holding it centered while I...

Pulled the injectors back out this afternoon and attempted to check the compression. I am getting 280psi on the cylinder furthest forward and 250psi on the middle and rear cylinders. According to my service manual, 426 is considered the low where it becomes hard to start so that may explain part...

Thanks bmaverick, I'll go check out the governor rod. LeeJohn hinted at this as well. I'll also confirm the injector lines aren't mixed up, I'd be surprised because they are hard lines and wouldn't easily be crossed but you never know. I've been doing some research on the white smoke and...

It’s been a bit since I’ve updated, got stuck with a combination of bad weather and lack of time for a few weeks. The injector puller came in and I was able to remove and clean all 3 injectors. The injector furthest forward on the tractor had some rust and debris built up, the other two were...

Hi, I've been reading and observing for a few weeks now collecting information as I go. Thanks for the help so far. I have a YM226D with a front loader that I recently inherited that I am working on getting running. It's been sitting outside under a deck for the last 5-10 years untouched until...