Repairs Variable transmission belt question - White LT-13 Cruisematic

[kentguy13]

Hello Folks, I'm new to this forum... and excited to join. I recently acquired a White LT-13 Cruismatic from a friend for FREE, but it doesn't move. The engine runs GREAT, but the variable transmission seems to have a problem. I'm hoping it is as simple as replacing the belts and I'm on my way, but I figured I'd ask the experts.

What I have done to it so far:
1. I removed the rear axle and opened it up. It was in perfect working order and super clean. The grease even looked brand new.
2. The frame where the rear axle bolts on was rusted and broken. I repaired it with some angle iron and then re-installed the rear axle. It is in the original location and in solid working order. My friend gave me the mower because the belt routinely popped off. I am 95% certain this is WHY the belt popped off. But, now I can't get the transmission to engage the rear wheels.
3. The belts are in the same location as when I brought the mower home, however that does not mean my buddy re-installed them in the correct location. If anyone has a belt diagram I would very much appreciate it!

Another question:

I found replacement belts online for under $30 for both (shipping included), but the first number seems to be different. Is this the same belt just different year model?

I have an MTD 754-0280A. The website lists that belt, but when I click on it is throws the MTD 954-0280A belt in the online cart. Same one??

Thanks for any help!!
Ryan

 

[oldyellr]

I can't help with the belt part number, but I bet that a worn belt is the problem. This is similar to a snowmobile transmission, except it's not automatic. The drive belt on a snowmobile is the main wear item and needs to be replaced frequently.

 

[SONOFADOCKER]

Make sure the belt is in place by all the "L" brackets bolted on the belly of the tractor . I have a Craftsman that threw the drive belt all the time . I put the tractor on jack stands and readjusted all the guides - belt has stayed on all summer .
One wrong turn around a pulley and the belt really becomes to long or to short .
See if there is a spring/rod/adjusting bolt to make the tensioner pulley make the belt tighter . Not to tight or you'll smell burning belts . ( went thru that today myself)