Engine power 21.5 hp 16.0 kW Engine model number FR651V Forward speed 0-7 mph 0-11.3 km/h Front caster tires 11×6-5 Drive tires 18×8.5-8 Seat back height High back with armrests, 20 in. 51 cm Width of cut Accel Deep mower deck, 42 in. Key Features Engine power 21.5 hp 16.0 kW Engine model number FR6