I have a 1949 Farmall M, I am having problems with the bucket lift being able to lift much weight. The loader is a Super Six MFG, Hi-Boy, I have filled the reservoir to the correct level and ran it up and down several time to get the air out ( single stroke ) it will lift a good 8 - 10 feet off the ground it just will not lift much maybe a 1 quarter of the bucket of grass and leaf compost. if anyone has an idea of what may be the issue please help!
- Thread starter rljuddjr
- Start date
Paul from MI
Well-known Member
Sounds like low hydraulic pressure to me, but the only way to tell is with a gage in the line to the cylinders. Original Lift-all was low pressure, only about 750psi but should lift more than that. The loader wasn't built for an Allis WD or WD45 was it? They used a high pressure system, which used smaller cylinders and could cause your problem. Just guessing on my part.
armand tatro
Well-known Member
I want to think total oil capacity of the original lift all system is about 6 quarts so you may be running out of oil and have air in the lines. With air in the lines the lift could be erratic acting but still go what you think is full height. Air in the lines will compress differently than oil so may not lift as much. Do you have one line or two going to each cylinder? Original IH loader for that tractor had two lines going to each cylinder and used the back side of the cylinders for more oil storage. A few pictures would help us see what you are working with so please post 4 or 5 pictures. Also the diameter of your cylinders would be nice to know. Armand
gene bender
Well-known Member
What is the dia of the cycls must have a weak pump the M had one used for many yrs three forks full filled a 12a New Idea spreader
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