9 tooth, CCW, 15.9mm ID, 29mm gear, 120-135mm L, pin mount, barrel-folo design. WARNING: Failure to disengage starter drive from flywheel prior to push starting tractor will result in damage to starter drive, starter, and flywheel. Do not spin starter drive by hand. Warranty does not cover bent armature, broken / extended drive. 
Part Reference Numbers :  D8NN11350BA, EC0N11350C, 1100-0310
Model : Ford/New Holland - 2N, 8N, 9N
Shipping Weight : 3 lbs