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MM 445 slow hydraulics

J

John Olynyk

Member
I'm looking to purchase a 1959 445 with a front end loader. It has power steering and it works fine. but the loader lifts very slow, also comes down very slow. It will not lift the front end of the tractor off the ground. the owner said he bought the tractor not too long ago and doesn't know much about it. He said he changed the hydraulic filter. He also said the hydraulic oil is foamy. He also said the power steering takes priority for oil.
The tractor does need some TLC, grill is missing, seat is rough, Tires are very good, one front and one rear are almost new. motor runs nice but does smoke some. wants $1500 firm..
My concern is the hydraulics. It has a good Robin FEL with a bucket and a blade. I want it for pushing snow, butif hydraulics arethat slow now, might not even move in the winter,,lol
Appreciate any help
John
 
Pump need to be rebuilt. Just did one on M5. Pressure was only 4-500.Rebuilt pump and have 1000 plus. PS did work but now better. Put gauge on outlet. Foamy could mean water in system or someone put in regular oil.
 
thanks for your reply. how big a job is it to rebuild the pump? Can I do it at home? where would I get the parts? are special tools needed?
Should I be able to lift the front end off the ground with the loader? it won't lift the front end now. There are a couple of cylinders leaking, but he is giving 2 new ones with the tractor.. one lift and one tilt.
 
Depends on pump. Sometimes easier to find used one. Some wear housing and need housing. Some just need seals and needle bearings.
 
I finally got a number for the pump. 10A17560 Where could I find parts to rebuild this pump. I had no luck finding a used pump anywhere so far..
Can I rebuild this pump at home, or are special tools required?
thanks, John
 
You can't just buy a kit for a pump. Tolerances have to be measured and parts ordered to meet specs. whether gear plate, wear plates needed. Kits built to pump needs as far as wear. If you by chance find a kit it won't fix problem.
 
Oh OK. I didn't know that. So parts can be ordered then? Would you per chance know who could supply what I need? Also is this something I can do in my shop,or would I need special tools to overhaul this pump?
thanks for your help,
John
 

Well I gave up on the 445. The guy wouldn't allow for pump repair and stayed firm on price. So I found a nice M5 with a FEL gas. so I bought it. Thanks for a;; the answers and help I received on the 445.
 

Well I gave up on the 445. The guy wouldn't allow for pump repair and stayed firm on price. So I found a nice M5 with a FEL gas. so I bought it. Thanks for a;; the answers and help I received on the 445.
 
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