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  1. R

    Komatsu d21

    Hi Could someone provide me some guidance on how to troubleshoot my d21. Not steering, when I pull back the levers the engine stalls? I did had to a blown Blade cylinder Gasket at one time so I’m not sure if the hydraulic system has air. (not sure they are related also does anyone know of...
    • rcg
    • Thread
    • breaks clutches d21 hydraulic system purge steering
    • Replies: 4
    • Forum: Dozers
  2. R

    Komatsu D21-6 Steering

    Hi guys, I'm sure this subject has beed done over and over,, but i just can seem to find anything. Anyhow,, i have a Komatsu D21-6 (early 80's i think) with two levers and the dozer runs fine but it doesn't steer,, It goes forward and backwards.. Basically 1. when i pull both levers the...
    • rcg
    • Thread
    • Replies: 0
    • Forum: Dozers
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