Perkins engine swap from combine to tractor - The Combine Forum
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Old 06-08-2010, 06:24 AM   #1 (permalink)
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Default Perkins engine swap from combine to tractor

I have a small repair shop and work mostly on IH tractors. I have a customer with a 2705 MF tractor that's using oil and misses on 1 cylinder. Has a lot of blowby. He thinks he has a hole in the air intake between the air filter and the turbo. He has an 850 combine and was wondering about taking the engine out and installing it into the tractor. They both are 354.4 model engines. The obvious differences are the water pump, front pulley, exhaust manifold and turbo, oil pan and probably the suction tube.
Is there anything else that needs to be checked into before he starts to pull the engine out of the combine? Don't want to start a project we can't finish! Thanks!
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Old 06-08-2010, 07:12 AM   #2 (permalink)
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Default Re: Perkins engine swap from combine to tractor

It should work having said that look at the water pump as far as changing it over and the oil cooler. If there is going to be a problem that will be it. I do not think the oil pan and the back of the engine will be a problem.
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Old 06-09-2010, 08:27 PM   #3 (permalink)
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Default Re: Perkins engine swap from combine to tractor

Might be just as easy to pull the head and pan and take a look, seen 1135mf same problems,we honed the liners and new rings and rod bearings touched up the valves, cheap in frame and it cleared up the oil burning problem. hope this helps.
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Old 06-10-2010, 09:09 PM   #4 (permalink)
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Default Re: Perkins engine swap from combine to tractor

I told him that it would probably run about the same to overhaul the existing engine in the tractor as to swap them. He's going to let me know what he decides.
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Old 07-11-2010, 11:01 AM   #5 (permalink)
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Default Re: Perkins engine swap from combine to tractor

One other item that needs to be checked is the SAE Housing specifications of the engines flywheel housings. If they are the same, then at least it means that the new engine will bolt on. The SAE #'s should be on the flywheel housings and it should say SEA something like 0, 00, 1/2, 1, or 2. There are other SAE designations.

regards
Marlon
Tractor Starter
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