Repairing A Massey Harris 22
by John Reeves
I have just given this old girl (boy?) a replacement RH rear
axle. I was lucky enough to find an axle in good shape at a reasonable
price - also a replacement for the right rear brake assembly which was
Massey Harris 22 S/N 22GS 5364 (1953)
It was necessary to remove both rear wheels and axles in order to remove
the differential gear - this proved to be difficult because it was
impossible to remove the oil shute that transfers the lube oil from the
gear case to the differential housing - I had to resort to using the
cutting torch after drying out the interior .
The oil chute is attached to the inside of the differential housing by two quarter
inch cap screws - the screws are at the top of the housing and one screw is
too close to the casting to attach any kind of wrench.
At re-assembly this was modified by drilling a hole in the casing below the
chute hole - welding a bracket below the repaired chute and attaching the
the chute by means of one quarter inch bolt and lock nut , This makes it
very accessible for both removal and replacement .
Re-assembly of the tractor took approximately two weeks of off and on time -
repairing broken studs - drilling and taping and a general clean up.
Several knowledgeable people have commented that the MH 22 has a common
fault in that the axles are prone to breakage .
Except for the axle on this model - all other parts are in good working
order and there is no metal fatigue elsewhere.
This model is equipped with the hydraulics from a MH Pony and they work very
I enjoyed working on this veteran tractor and discovering the simple but
very effective engineering that was performed by Massey and Harris so
many years ago.
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