Thanks for the help everyone. The belt was definitely the wrong length. I can't imagine how my brother in law ran it with the shorter one unless it was in the L configuration.
This is the correct deck. The other drawing online is different and incorrect. Because of this discrepancy I'm hesitant to order a belt using the number found it this manual. Which belt should I order for my mower?
My problem is occurring before I connect the PTO. When I attach the deck to the rear holes on the lift arms, the belt is an inch or two short.
Is there any way to create that much slack? I don't see a way.
Oops. Sorry about that. 13WM77KS011
I also since then found this number in the belt 125907xHBD058
The belt should probably be replaced eventually. The 42" belts at Home Depot don't match the number in the manual I found online.
I qas given a 31R707 0001 G1 by my father in law.
My brother in law was cutting grass before it was given to us and threw the deck belt. I removed the deck per the manual and put the belt back on according to the official Troy-Bilt youtube video and pdf manual online.
The problem is that the...