John Deere 54 Ride On Mower Accel Deep Deck 137cm. THIS IS FOR THE DECK ONLY – NO TRACTOR. (137-cm) Accel Deep Mower Deck is a stamped-steel, deep, flat-top design that delivers excellent cut quality, productivity, cleanliness, durability, and versatility. Optimal performance and dispersion of clippings is provided, even at faster mowing speeds. (12.3-cm) depth …