I have a toro 21" recycler--self propelled rear wheel drive.
the right side wheel is turning faster than the left side
wheel--resulting in the mower pushing to the left.
I looked at my parts list for this mower. it's obviously a drivetrain
could it be a bad gear or clutch?
in the wheel or the gear that catches the wheel not engaging correctly..
or it could be the grease fitting on one of the back wheels needing some
grease... did you ever put grease in the grease fitting??? i have had
toro's for the past 30 yrs. the first one i did not even know they had
grease fittings. the second one the bearing in the wheel were all worn
out as i did not put grease in them.. well i have a small metal cutting
lathe and just rigged it up with some home made parts as the cost was
like $40 at the time and the mowere was getting pretty old and worn
out.. i still have it as a backup, but the new recycler gets grease in
the rear wheel grease fitting each spring...
hope this helps.
This will only happen if it has a differential. Most self propelled mowers are
a one piece shaft.
I would check to see if the wheel is slipping on the shaft. If not, then it
sounds like you would have to have the drivetrain worked on.
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I had to repair my older toro GTS last year. MY trannie had worn the
sintered bearing that holds the drive shaft eccentric causing
intermittent engagement and noise. To my surprise, i could buy
the sleeve trannie bearings at a toro dealer fixed it.
There are also a latch clutch type thing in each wheel. If the wheels
a little loose, it may not engage. I would pull each wheel with its
little drive box off. Clean it out and put fresh
lube in it. Check all parts for anything that looks broke or worn.
If one side is not engaging, it will cause the mower to tend to pull
to one side.
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