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Oliver Super 55 (pics)

P

Paul Gi.

Member
Hopefully we can put humpty dumpty back together again.
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BTDT. I am doing one now, have the axle housings off to heli-coil the big holes where the 3pt arms connect to the tractor. Also need to replace some gears that got damaged a few years ago. By the sound of things I thought I would find pieces in the bottom. Found 3 teeth cracked on one gears but they had not broken off. Lots of evenings to go on this one!
 
My brother had to go a few steps farther with his 550. The case right where that bearing cap bolts on for the main shaft on top, was cracked right in the threads so it allowed the cap to come loose. The nut then came loose on the shaft and wedged the transmission tight. He replaced the entire transmission case, a few gears, and all the bearings and seals.

Donovan from Wisconsin.
 
I feel your pain,I just finished one for a customer and I had never had one apart or repaired one before , and with that knowledge ..I would NEVER own one , a very light duty poorly designed transmission, its the only transmission that I have ever seen with Torrington needle bearings .
 
Here are a few things that we have found wrong with the transmission. First off the in-put shaft splines were worn badly going into engine. Ordered a good used one. Pto clutch there are chain half links that I think take clutch in and out that are broke. One of the needle bearings fell apart. Replacing all needle bearings. Spanner nut on top shaft was not tightened correctly which was allowing tractor to jump out of gear there is a inner nut to tighten up gears and a outer nut to tighten up bearings. Bearings were not even pulled up into races allowing shaft to drop. Both nuts will need replaced someone used a punch on them. Going to a weld shop to have a socket made to tighten them correctly according to IT book these should be tightened to 150ft lbs. One of the shift rail forks has been broke and repaired. Luckily out of all that gears all look good. Gentleman we bought this from has receipts from dealership on work he had done to transmission in 1997 they had noted splines were worn no replacement available. He spent $2,500 on it. Ohh well if it would be easy why would we need these forums.
 
Another add is Korves Oliver and All State Ag Parts have been very helpful. Mark from Korves has been very knowledgeable on the ins and outs on this tractor.
 
I helped a man with a 1955 model last week. Very little wrong with it, mostly leaking oil seals. When I worked for a dealer we had very few problems with them.
 
In my opinion they are just a light duty pto and transmission and clearly will not take much abuse , they are fine for light duty work and a handy tractor none the less ,and on a side not I own several oliver's this just wouldn't be one that I would own . I have been in many different color tractors in my 35 years of service and my first choice for a utility tractor would be and " IS " a MF 35 or a later model of the same tractor they are a simple and a tough tractor , next in line maybe a 600 - 800 series ford. but I prefer the MF for the HI - LOW transmission.
 
We had one of these for a lot of years in the 50"s 60"s and part way in the 70"s. It had a loader on it and the motor had been stepped up. It pulled 3 14"s mounted mostly in 3rd gear. I can"t say it is a light duty tractor because we pulled it and baled using a big old new holand baler with pto conversion. Never had to work on the rear end, transmission or the PTO except to adjust the snap over.
 
They had a 2 stage clutch when the 35's were being produced I think. The independant hydraulic PTO was an option on the 100 series.

Donovan from Wisconsin
 
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