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    Cat E-120B travel problem

    Dave, the swing motor is in the car body, it gets its hydraulic pressure right from the valve block, I would start by checking the turntable gear and the drive gear on the swing motor, look for broken teeth, look for lose mounting bolts on the motor also check for excessive turn table play..if...
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    Cat E120B hydraulic drive motors

    I am going to reseal my rotery manifold on my E 120 B excavator (soon as the snow stops) I was wondering if it gets removed from the top or bottom..it looks slightly differant in the parts book than on the actual machine, looks like the center portion lifts out from the top? any Ideas? Thanks.
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    Cat E-120B travel problem

    wow!! great Christmas gift guys!! As soon as the snow subsides I'll bring it in and start checking things out. I'll let you know how I make out. Thanks again for all the help!
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    Rollers frozen!

    Been there done that! torpedo heater works great with the tarp, but go slow let it heat slowly so you don't damage the seals (learned this the hard way..) you can also use a spud bar to break it up to..then you can appriciate just how light a track spade really is! LOL good luck
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    Cat E-120B travel problem

    The S.N is 7NF02360... Is there any way of testing the drive motor pressure at the motor itself to isolate where the problem is, the parts manual show a travel brake valve mounted on the drive motor, could it have a relief valve in it? Also could the rotary manifold be going bad and letting the...
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    Cat E-120B travel problem

    thanks for the info. Thanks for the info, there is a small plastic hydrualic line going to the drive motor, is that what your talking about?
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    Cat E-120B travel problem

    Our cat E-120B excavator travels fine when it first starts, turns good, pulls good, quiet..everything seems great, after its run a while it seems like the brakes are dragging, can't turn, every bump stops it.. sometimes you have to rock it back and forward a little to get it to move, and it...
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