The King of the Grass Ride-On KGZ-XD Blackout. Here are just a few advantages that take this zero turn mower into a class of its own: 3600 RPM engine speed for instant maximum torque. Rugged fusion welded reinforced tube frame 16cc Parker HTG integrated hydros with no power-robbing reduction gears 4 Tweels for smooth, flat-free performance and increased traction 4 shocked front spring suspension with multi-adjustment dual fuel tanks with 17 gallons of fuel capacity 55+ pounds of torque, EFI, electronic governors, and electronic variable spark advance oversized electric clutch to handle torque load special Blackout super seat, adjustable with TecsPak® adjustable suspension under the seat Vanguard® engine with Oil Guard System New magnetic mower height adjustment pin