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d4k

  1. T

    CAT D4K rpm knob not working intermittently

    I have a 2004 cat D4K dozer with an electrical knob for the RPM. If i let the dozer sit overnight or for a few hours or even minutes sometimes it starts up and operates fine could be for hours or could be minutes it’s unpredictable. But it could be operating with RPMs high and then it just cuts...
    • tylerbl94
    • Thread
    • cat d4k dozer rpm rpms drop
    • Replies: 5
    • Forum: Dozers
  2. P

    D4K travel speed drops to minimum under load

    I am working on a D4K, SN: MM00277, that equals shows both track speeds to what seems like minimum when pushing. If the operator goes to neutral and back to forward or reverse it immediately recovers. Pump charge pressures are well within spec. If I unplug the hydrostatic drive pressure sensor...
    • PB1
    • Thread
    • d4k d5k hydrostatic transmission
    • Replies: 0
    • Forum: Dozers
  3. trevoratt

    D4K LGP not driving

    Does anybody know what causes the park brake light to flash and the machine not to drive? The machine had a busted pump drive coupling, it was changed and now I can get hydraulic pressures(main and pilot). The implement works (blade) but i get no drive. There are no active error codes, the wires...
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