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I have a 259b3 cat skid steer. I believe the ecm is bad. The
I have a 259b3 cat skid steer. I believe the ecm is bad. The auxiliary hydraulics stoped working then started working and then stopped again. How can I test the ecm to check it? … read more
catmastertech
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UE20 hydraulic leak when in boom swing mode but not in cab rotate mode. … read more
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I am working on a komatsu pc75uu-3 it is having hydraulic
I am working on a komatsu pc75uu-3 it is having hydraulic issues. Boom/bucket/stick and travel functions all very slow. Swing and blade are normal, I put a pressure gauge on the control pressure line … read more
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I have a Komatsu PC15MR-1 Mini Ex that appears to be leaking
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I have a 226B cat skid steer. The hydraulic controls for the
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G'day, I have a Komatsu PC128uu-1, serial number 1494. I
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I have a Komatsu D39PX-21 dozer. It barely moves going
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I have a komatsu SK1020-5 and out of no where it will
I have a komatsu SK1020-5 and out of no where it will continue turning right with pilot control released. I have adjusted the travel pilot pressure with no luck… read more
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I have a Volvo L70C. If you try to start the machine after
I have a Volvo L70C. If you try to start the machine after it has been operated for a while the machine will try to start, but acts as if the hydraulics are loaded down and the engine cannot start, if… read more
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I have a 2006 Komatsu PC138 excavator, sometimes everything
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I have a Komatsu PC30MR-1 currently at the mechanics with
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Komatsu pc 120-3 excavator swing brake wont release Im
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My 742 melroe Bobcat will not turn in either direction. When
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I have a komatsu 75uu-2 excavator. It just all of a sudden
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Curtis B.
Curtis B.
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Have a D155A Dozer. All hydraulics are fine except Blade lift
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I am working on system that I adding a auxillary hydraulic
I am working on system that I adding a auxillary hydraulic system to a Komatsu PC300 Excavator. The new system is utilizing the two hydraulic pumps on the existing Komatsu hydraulic system. The proble… read more
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Hello there, Komatsu pc27r-8 serial No F10914 Machine began
Hello there, Komatsu pc27r-8 serial No F10914 Machine began to perform slower and to stall the engine. Main relief valve stripped and found to have pieces of brass holding it open. Pump taken off and … read more
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