Posted by pete 23 on February 17, 2015 at 19:35:42 from (50.33.19.244):
In Reply to: Re: 1256 Repower?? posted by fastfarmall on February 17, 2015 at 18:40:53:
The 466 in a 4 wheel drive 4366 was over matched no doubt. Way too much traction for that engine. They all got turned up way over powered and with that traction, the engine got not breather. When you melt manifolds off tractors you know you are not going to have engine life. In the 4386 they put an intercooler on and much larger radiator. That helped a lot but still not the answer. If you left the 34 inch rubber on it wasn't too bad. One of my customers ran both, and never had an engine failure but he cooled it so to speak. They needed at least 600 cubes for that size tractor. The 4 wheel Deeres were not much better. The local dealer had one mechanic worked all one year putting the updating packages in the ones they sold. When I worked there in my later years a lot of engines had been swiched to the 50 series or 55 series. Never got all those Deere's straight. They switched a couple when I worked there also. Burned a few Deere engines also when the camshaft gear running the oil pump wore out. That was one of the big points to check on inspections and sold a few camshafts . Never ran out of work at Deere dealer either. Even went through a 4440 rear end with a busted differential carrier. Just like the IH models did. It had an major improvement package to put in it also. Most money I personally ever put in a tractor in my 41 years working on IH, Case or Deere.
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