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oil leaking

  1. Southbus

    Cummins 6ct 8.3, how to replacement crank front seal

    This is the engine of my Champion 720 Motor Grader year 1988. It has been losing oil for a while from this seal and before proceeding to change it I have some doubts. How difficult is it to remove the harmonic damper? Will I need a special tool? Is it necessary to remove the gear cover to...
  2. N

    Possible Reasons for a Highway Truck to have Oil leaking from back wheels?

    Hello everyone: I have a question. There's a trade school project where I need to identify what is causing oil to be dripping out of the back wheels of a 1998 Western Star 4964EX Highway truck. For some context the truck has 405, 500 km of travel and engine hours of 6, 321. What advice can...
  3. Noland

    Final Drive Losing Oil Komatsu D31PX21 Bulldozer

    I have a Komatsu D31PX21 Bulldozer that recently noticed the final drive was grinding a little and has gradually gotten loader. When I checked the oil in the gear case it was completely dry and had what looked to black dirt inside the gear case. Refilled with oil... ran it, then changed the oil...
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