Its not how fast you mow. Its how well you mow fast. Mow well fast with the John Deere 42-in twin blade Accel Deep Mower Deck, engineered to process tall grass at faster speeds. The 22-HP, V-Twin John Deere engine has plenty of power and torque for the Z345M to handle tough mulching, mowing, and bagging conditions most suitable for a flat with obstacles terrain, up to one acre. Comfortable 18-in back two spring suspension seat with armrests, cup holder, side and under seat storage compartments, color coded controls for easy identification and low-fuel warning light visible in daylight.