Rear bumper mounted to protect your engine and engine cowling. Compatible with the John Deere Z300 E and M Series models. The Z300 ZTrak Rear Bumper attachment can be installed as a solitary attachment or as part of the Z300 bagging system. Zero Turn mowers allow for frequent change between forward and reverse motion. Installing this rear mounted bumper can help to protect your engine and engine cowling. It also provides towing capability for approved equipment such as carts, spreaders and aerators.