MTD Products - Troy-Bilt Mustang Z42 - 42" ZTR Riding Mower - RedQuickly mow large areas with ease thanks to the Troy Bilt Mustang Z42 zero turn riding lawn mower. The Mustang Z42 provides elite durability and dependable performance in rugged conditions thanks to its heavy duty, fully welded frame. A 42" rugged steel deck features with anti scalp wheels to prevent turf damage. Dual hydrostatic transmissions provide a true zero turn performance with quicker mow times and effortless mobility. A powerful 725cc twin