John Deere 33 tiller, 49 blower gearbox Short Shaft M42511 Shaft 316,317,140,318This John Deere outdoor power equipment set includes a 33 tiller, 49 blower gearbox, and a short shaft M42511 Shaft that is compatible with models 316, 317, 140, and 318. The single-stage snow blower type and 49-inch clearing width ensure efficient snow removal..