Re: Re: Re: 4650 compared to 4850

Posted by G-MAN on February 16, 2004 at 07:49:32 from (67.52.48.10):

In Reply to: Re: Re: 4650 compared to 4850 posted by 333 on February 13, 2004 at 15:37:50:

If the overhaul is done at 8000 hours or so, it's possible for one to run 20,000 hours. It all depends on how it's used and maintained. Deere changed the head gasket material, hardware and torque sequence, and eliminated a bunch of the head gasket sealing problems. It you crank one clear up and lug the heck out of it, you could still blow the head gasket, but it's much less likely with the new stuff. Of course, that 20,000 hours is excluding the rest of the powertrain, as you're likely going to get into needing some transmission work by the that time, depending once again on how hard it's used. I'm sure there are 46s and 48s out there pushing 20,000 hours, as I've seen 55-series tractors with well over 10,000. It's all in how you take care of them.

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