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Multuhoe model MDA, Pettibone Mulliken, GM diesel
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Posted by Steve on November 19, 2001 at 06:57:39 from (141.154.127.121):
Hello, just bought a backhoe for restoration/repair. It is called a Mutilhoe by the Pettibone Mulliken corporation. model MDA. It uses a GM diesel, I found one tiny bit of onfo on the internet that said it uses a GM-53 engine. Anybody know a source of info on this thing? I'd love a wiring diagram because all wires are pulled or cut out. It starts by jumping the solenoid. It was moving at first, but now it barely moves at high throttle, of course the fact I cannon raise the backhoe does not help. No hydraulics in the rear are working, and I cannot find a diverter valve that might ned to be moved. The front loader operates, but I have multiple leaking hydraulic lines. I see one hyd. pump on the back of the engine, but it seems small. The lines going to the back of the machine are large, and run up around the tranny. This also appears to be hydraulic. Maybe my high fluid loss is the cause of it not moving??? Have an oil leak at the filter housing on the motor, dropped the canister and found ot appears to just be a bad flat rubber gasket. Cleaned the sludge out and was able to get a # off the filter, AC delco PF-147. I drained over 6 gallons of oil from it, but would love to know the oil capacity. Also noticed it has what look like two fuel filters, one pre one post fuel pump? I welcome any and all info on this beast.
Thanks.
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