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Farmall & IHC Tractors Discussion Forum

826 is a money pit!!

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Johnny Hu

04-03-2007 19:14:15

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I traded in a 656 last summer and bought an 826 thinking i had a REAL upgrade...i guess i was wrong. The tractor had previous work done like rebuilt pump,bottem end rebuild. Plus i put new tires on it, rebuilt the hydraulics, and some other minor stuff.. Now its getting water in the oil and i'm wondering if theres any easy way to check what the problem is without pulling the head.. If its just a head gasket i can handle that, but if its gonna be somethinng major i just can't afford that and would rather sell it as-is.. The tractor runs and sounds fine, has a little blowby comming out of the breather though. I pulled the radiator cap off and it was low, so i added and let it run a while with the cap off and it didn't bubble/boil over, so i dunno??

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Owen Aaland

04-03-2007 20:56:21

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Re: 826 is a money pit!! in reply to Johnny Hu, 04-03-2007 19:14:15

Are you getting any oil in the cooling system? If not, the oil cooler is probably OK.

If the o-rings on the sleeves are leaking, they can be replaced on the cheap by removing the head and pan and then pushing the sleeve and piston out as an assembly. Clean the groove and the mating surface. Install a new o-ring and reassemble. If you remove the piston from the sleeve the old rings will not seat properly so just leave them together.

You said the bottom end was redone so you should be able to get by with six o-rings and a few gaskets.

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LBSMJS

04-03-2007 20:54:49

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Re: 826 is a money pit!! in reply to Johnny Hu, 04-03-2007 19:14:15

I had a German dsl in the shop that had a soft plug rusted thru on top of the cyl head.You might check that before you drop the pan.

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chuck46

04-03-2007 20:30:49

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Re: 826 is a money pit!! in reply to Johnny Hu, 04-03-2007 19:14:15

Hi, I think K.B. has it nailed, my 756 has that problem. Have put up with it for the last few years by using a good stop leak and straight water, it will not hold anti-freeze. Therefore it is my summer only tractor. Good luck, Chuck

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Bradford

04-03-2007 20:17:10

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Re: 826 is a money pit!! in reply to Johnny Hu, 04-03-2007 19:14:15

I am holding my breath until I get a 826 i'm buying over to place and put 8 hours on it.

If it makes 8, it might make 16...

That's the best you can hope for when you buy an old machine.

If it goes 1000, then my gamble paid off big time. If it goes 50 hours, then I bought Enron stock!!!

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K.B.-826

04-03-2007 19:29:10

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Re: 826 is a money pit!! in reply to Johnny Hu, 04-03-2007 19:14:15

Most likely you've got a cylinder sleeve packing that's leaking. Many otherwise perfect running German diesels have been torn down for the same reason. To confirm this, drop the oil pan and pressurize the cooling system. You'll see the leak.

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ChadS

04-04-2007 08:03:56

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Re: 826 is a money pit!! in reply to K.B.-826, 04-03-2007 19:29:10

KB, I have a 826, when I bought it, the farmer said it had a knock. The TA was out so he had it converted,, TA delete? I belive he said it was. Been thinking of tearing into it, to make a farm stock puller out of it. Nothing extreme, but a pump and a turbo, with a stock engine. I heard it run for about 5 seconds, heard something, but wouldnt really run long enough, nor did it need anymore damage done. Sounded more like a gear up front, it also sounded like it was out of time. Should I even mess with the 826 engine? Will be thinking of a 7000-9500 5-8 mph class, with 18.4X34's. Its worn out Id say,,, broken tach shows 5500 hrs, has a cab, fast hitch, now a narrow front,, its pretty much stripped down to the basic tractor, and its not stuck yet. We still have Dad's 856 for a workhorse, thats a nice machine right there,,, but the 826,,, needs a total gone thru anyways,, may as well have some fun while Im at it. Pinion shafts look like new, (856 got em broke one day out on the hiway so we swapped the bull gears and the pinions) I seen this post on being a money pit,,, LOL,,, shoot, his 826 sounds like its well on its way to being a repaired machine, and able to sleep at night knowing the next day, what he fixed wont break again, cause its been fixed! Right? They are not new anymore, they all need work, some more than others. My 826,, lots of black smoke, intimidating looking machine is whats instore. Chad

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K.B.-826

04-04-2007 16:19:43

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Re: 826 is a money pit!! in reply to ChadS, 04-04-2007 08:03:56

Yes you're right, anything 30 years old is going to need some work. Now, is an 826 a money pit? I don't think so, unless it's been abused. Everything behind the flywheel is the same as an 856. Now, on the 358, they can be made to run, but they do not like to get overheated. That was one of the main reasons for cylinder sleeve packing failure. I wouldn't swap out the pump, the one it's got is capible of around 150 hp with a turbo, and it takes about two minutes to turn up. Besides, that pump is a real oddball, and it's hard enough to find someone to work on them, can't imagine what it would take to find performance parts. Many of these had M&W turbo kits installed, so you should be able to find one. That's what our's has, the screw's been turned a couple turns but still has plenty of screw left, it'll do 110.

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Steven@AZ

04-03-2007 19:27:07

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Re: 826 is a money pit!! in reply to Johnny Hu, 04-03-2007 19:14:15

I'm not familiar with the engine in the 826, but I know the later model tractors (66, 86, 88 series) with the 400 series diesels had an oil cooler on one side of the engine that could break and leak anti-freeze into the oil...

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