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final drives

  1. J

    Deere 650G final drive

    I have rebuilt the left hand final drive in my 650g direct drive with the upgraded larger axle. It has eaten the seal out twice since we got it back together in a matter of about 30 minutes each time. Is this likely due to damaged on the axle shaft where the seal sits? The lip was chipped off in...
    • Jakes dozer
    • Thread
    • 650g dozer final drives john deere troubleshootig
    • Replies: 8
    • Forum: Dozers
  2. J

    John Deere 490 travel issues

    Hey all I’m new to the forum but have been lurking for years. I’ve run into a problem I can’t figure out. So I just bought a 1990 490D and all the electronics have been bypassed I didn’t do it I bought it like that. Engine runs great all dig functions work great so when I’m traveling it all...
    • jchand4
    • Thread
    • 490d deere final drives relief valve
    • Replies: 8
    • Forum: Excavators
  3. Bad billy

    Pre fill hydraulic side of final drive before install?

    I bought a final drive for my ex75ur The company wants me to prefill the hydraulic side of unit or the Warranty is void ...The gear side is full off 80/90...how do you fill it ...?
  4. Bad billy

    Ex75ur final drive problems

    Blew my cone seal on my final drive .Is there an inline filter on the return lines?put another drive in and the same thing happened after 30 minutes ,so I have problem of the drive not releasing the pressure.Has any one have any input?Need to find hydraulic schematics on the Hitachi ex75ur ?Any...
    • Bad billy
    • Thread
    • final drives help hitachi hydraulic
    • Replies: 2
    • Forum: Excavators
  5. F

    help..tl26

    I have a 1994 Takeuchi tl 26 that everything is is proper working order except my final drive housing teeth are broken....I can still get the internal gears but not the outer housing..does anyone know of a final drive housing that may cross with it...takuechi says its discontinued.
  6. ToxicTrav117

    1996 Cat 315L final drive and swing drive oil

    What oil do you guys run in your final and swing drives? It gives me many options in the maintenance manual and not sure what to use. I live in Massachusetts so it gets fairly cold in the winter.
    • ToxicTrav117
    • Thread
    • excavator final drive final drives oil change swing motor
    • Replies: 7
    • Forum: Excavators
  7. 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...
    • Noland
    • Thread
    • final drives komatsu d31px21 oil leaking
    • Replies: 2
    • Forum: Dozers
  8. CenterlineShop

    D4 G Help...Please

    Howdy Members, I have a construction company in coastal Ecuador. I have a 2002 D4 G that we rescued and have used following the earthquake here in 2016. I have replaced most of the under carriage and it seems to operate pretty well...problem I have hydraulic oil in my final drives, lots...
    • CenterlineShop
    • Thread
    • caterpillar d4g final drives hydraulic propblems
    • Replies: 9
    • Forum: Dozers
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