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    Komatsu D21 P 6 left track not always turning

    Hello Everyone, Need some advice on my dozer. I have just replaced the steering clutches and throw out bearings on both sides. Also replaced the transmission shift cable Ran it for a short time. Dozer moved forward and reverse turned left and right but after a few minutes it felt like it was...
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    KOMATSU D21 P6 wont move forward or reverse after steering clutches replaced

    Hi there, Need some help with my dozer. We just replaced the steering clutches and brakes ,started it up but it wont move in forward or reverse. Transmission shift cables are activating as they should. The guy helping me seems to think its something to do with the hydraulic lines that were...
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    Komatsu D21 P6 wont steer

    Hello , I just bought a Komatsu D21 P6 dozer. It doesn't steer very well. I opened up the covers over the brake adjusters and the left one was seized . I have heard that you can fill the dry clutch and brake housings with diesel fuel and let them soak a few days. This apparently may free them...
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    2012 Cat 259 B3 Losing power when running low on fuel

    Hello, I have a Cat 259 B3 .I'm having an ongoing problem with the machine losing power. Seems to happen more when fuel tank is at 1/4 or lower but sometimes does the same thing at 1/2 or 3/4 tank. . Seems like it is starving for fuel. I have changed the fuel filter, blown the line out to the...
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    Komatsu d21p6 dozer left track wont turn

    Hello Everyone, I have a Komatsu D21P -6 DOZER. I parked it in my shop last fall. I tried to pull it out today. Started right up but when I put it in reverse only the right track turned. Did the same in forward, only right track turned. Tried a few times. Couple of times the engine nearly...
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    Case 580 Super M Ignition Short update

    Hi , Still searching for shorted ignition wire. Have disconnected several harness plugs but no luck. I have narrowed it down though. To recap, The ignition wire is shorted from the key switch right through to the engine. We disconnected the wire on the key switch and starter solenoid ,(it...
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    Case 580 Engine Hoods interchangeable

    Hello, I have a Case 580 Suer M Series 1 backhoe. I need a new hood. The complete hood from Case is over 4000.00 Does anyone know if a hood from an earlier or later 580 fit my machine? Thanks
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    Case 580 S M Electrical ignition Problem bypassed but won't move forward or reverse

    Hello, Have posted in previous post regarding ignition electrical short. Backhoe stopped dead while plowing snow. Found out that the ignition wire was shorted out . Disconnected ignition wire from ignition switch and disconnected same white wire from starter solenoid. Made a jumper wire from...
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    Hot Wiring Case 580 Super M

    Hello, I have a grounded ignition wire. Back Hoe is out in a field and it is snowing and getting colder. Have not found the short. Someone said I could remove the wire from the starter solenoid, (THIS IS WIRE IS PART OF THE GROUNDED IGNITION WIRE) , then connect a jumper wire from the...
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    Wiring Diagram CASE 580 SUPER M SERIES 1

    Hello, Does anyone have a wiring diagram for a CASE 580 SUPER M? In particular, I need the ignition wiring diagram. Thanks, Doug
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    Case 580 Super M Electrical ignition Problem

    Hello everyone, Happy New Year! Have a problem with my Case 580 Super M. I was moving snow with the loader. All of a sudden everything went dead. A little smoke was coming from the area of the ignition switch. I shut off key and smoke stopped. We opened up the console and saw the plug was a...
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