MM 445 Parts Source?

Bryce Frazier

Well-known Member
Hi guys! I am looking for the O rings, and seals needed for the 3 point rock shaft on a 445 MM?? I have looked all around, and can't seem to find anything? A customer has one of these, and it is leaking oil, which then drips off the right lift arm.

All I have to go on at this point is an IT Service manual from him, which isn't that great. It DOES show me though, that there is an O ring inside each hub, and a press in seal in the outside of each of the hubs as well. Can I just replace the seal, or should I pull the hubs off as well, and replace the o ring too? I am planning on new seals on BOTH sides, eventhough only 1 is leaking.

Where can I get two of these things??
 
I would try Welters Farm Supply in Missouri. Their phone number is 417-498- six four nine six. MMDEL on here may be able to help you as well. He is very knowledgeable on MMs. Im guessing if you are that far in to replace the O ring as well.
 
Part number I come up with are 10a7846 for the O-Ring and 10a10458 for the seals. Both still available from Agco.
Wayne
 
Those are the right part numbers. I didn't check. If Agco has them that would be simplest. But the price will be three times what NAPA will be. A good parts man at NAPA should be able to duplicate them. Carefully remove old ones, there should be a manufactures number on the seal.
MMDEL
 
Figured I had better post an update here!!!

I got the part off. Someone had been in there before, and had installed the seal BACKWARDS. The O-Ring was trashed too.

I took both of them to a local Truck shop, where they also rebuild Hydraulic cylinders and such. I know the family that owns the place really well. Gave the two items to my buddy, and he immediately matched them up to stuff they had in stock!!!!! The seals were $6.42 a piece, and the O-Rings were $0.52 a piece!!! E A S Y! Tractor is going to be put back together Tuesday morning... I hope. . . :)

Thanks again for the info guys! I passed all of this on to the owner for future reference.

Bryce
 

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