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    Komatsu D31PX-21 HST stucked on stroke, broken Cradle bearings

    There is technical bulletin from Komatsu, AT20400. It's about replacing the bearings with an improved version from 720-2M-13611 to 720-2M-04410. Does anyone have experienced with the new part ? I bought this dozer after it had been fixed for this problem once. I did not burn one tank of fuel and...
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    D31PX-21 Stucked in left reverse, won't start and when finally did, is not SAFE !

    SN is 500127. First I don't know much about dozers. I bought this machine about 2 months ago. It has 12,000 hours. The engine was easy to start (even in cold weather) and was running fine. We've put about 10 hours since I bought it and we were pushing mud and wood debris (no rocks). Everything...
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    CAT 308C CR looking for seat cushions

    Does any one have an aftermarket place selling seat cushions, it's a machine I bought a while ago and cushions are on the metal.
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    John Deere Service Advisor question.

    Hello, I have a 2012 MQ DCA70 with a 4045HFG92 engine on a generator and a JD 35D 2010 Yanmar engine. Which version/release of Service Advisor would cover both machines ?
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    MQ 70kva DCA-70 with a JD engine, error code 3673 007 followed by 1569 031 derate condition exists

    Engine serial is PE4045R047339. The PDF document says it has to do with the exhaust throttle valve. I can move it freely. So I am wondering what I should test next ? ! Any one has an idea ? It ran for about 12 hours non stop with very little load when this msg appeared on the DM1 display. I...
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    2004 308C CR alternator access

    Hi all, just bought an old 308C and I have a couple of problems with it. One problem is, the battery light stays "on" all the time and the service meter is not turning. I know the alternator is charging as I have 28 volts on the voltmeter when touching the + on the 1st battery and the - post and...
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