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    Cat 312 bl, jerky hydraulics

    I have a cat 312bl,98 mod. It has 12500h on the clock. I was bought only a few years ago as a farm machine and i have only used it a few houndred hours of the total. Right from the start i noticed that the hydraulic became jerky when the fluid became warm. When operating and tracking at the same...
  2. E

    312 swing problem

    I have a 98 312bl with lots of hours on it. One day as i was doing some hard digging the swing suddenly stopped.When i swung in the opposite direction it started working again but a little later it stopped again. When i tried another day it worked fine for an hour,maybe two before the swing got...
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