Easy, one-step starting with a 163cc Troy-Bilt? engine designed for simple, no prime, no choke starting on the Troy-Bilt TB230C mower. Variable speed, front-wheel drive is designed to adjust the mowing speed quickly with a handle-mounted lever. The 11″ rear wheels are designed for smooth mobility over hills and rough spots. A 3-in-1 deck design allows you the choice of using the rear bag, mulching mode, or side discharge options that are included. 163cc Troy-Bilt Commercial? engine is designed for simple no prime, no choke starting. Variable speed front wheel drive is designed to quickly adjust the speed of the mower and navigate around the yard 11″ high rear wheels are designed to provide traction and help make it easy to navigate uneven terrain. 1.9 bushel rear bag collects grass clippings for easy clean up or composting