Hi,
I have a 14 hp snapper rear engine ride on mower, model 331415BVE, that stopped moving while I was cutting the lawn. The engine runs fine. With the engine in any forward or reverse speed the drive disc engages the clutch disc and disengages while in neutral. When I manually turn the clutch disc the drive wheel turns but will not turn if I hold the wheel -- which I guess is the reason the lawn mower will not move. Do you have any idea what the cause could be or how to troubleshoot the problem?

Thanks,
Harry

The drive disk sounds like it needs replacing.