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toro proline tranmission problem


LawnSite Member
My 14 year old toro walk behind threw a belt yesterday. Actually, the belt that drives the transmission came off several times. I noticed that the vertical transmission shaft is wobbly and I'm guessing this is why the belt keeps coming off. I'm hesitant to buy a new transmission for a mower this old. My question... can the transmission be repaired? Or is a new transmission my only option?

Thanks in advance.


LawnSite Fanatic
You can indeed repair your trans. but you should compare the replacement parts needed versus a complete unit. If your input shaft wobbles really bad here is the reference numbers of the parts you most likely need from the link below. # 6, 26, 29, 42, 44, 45, 46, and 47.

Good luck