Small Engine Troubleshooting Problems? Ask a Mechanic Now.
With engine running, is the fan and pulley on top of the transmission turning when brake is released? Look under the fender to see the pulley and fan!
If not, the drive belt is off or broken.
will the tractor roll in free wheel, showing brake is not locked?
Have you had either rear wheel off, flat repair? If so, you have lost the key between axle and wheel!