Posted by Jeremy in DE on November 30, 2021 at 09:10:05 from (160.72.33.41):
Twisted off the shaft to my gearbox while mowing this morning.
I'm looking for some pointers or leads about a repair.
I see gearboxes for sale at reasonable prices, but none match this gearbox. This one seems to have different input and output shafts than the replacements I have found. (Input: 1 1/8 in. six spline; Output: 1.5 in. 24 spline.) The replacements also all mount with 4 bolts instead of six.
Can someone point me to a different source of gearboxes that might replace mine directly?
Or maybe a source of gearbox parts? Could I replace the input shaft?
How hard would it be to install a replacement gearbox with a different bolt pattern? And if I could, I have shaft differences to deal with. More parts would (I think) address that problem: PTO shaft change, new stump jumper for new output shaft. Anything else I'm forgetting?
The serial number is worn off, but the plate says "Ford" on it.
I am good at replacing parts/components. I am not a machinist nor a fabricator.
I only use this thing a small amount each year, but it's really hard to maintain the property without a mower like this.
I mow with a TO30 so I doubt the tractor twisted the shaft off by shear power. I got the mower well used and the input shaft was quite twisted when I got it, but it served me for 15 years in my limited use. I can't complain, but now I'm pondering economical repair options to get mowing again.
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