Engine power 17.5 hp 13 kW Oil change No-tools oil drain with replaceable filter Engine manufacturer/model 31R977 (M31) Transaxle type TLT200 hydrostatic, two-wheel drive Transaxle control Side-by-side pedals Rear tires 20x8-8 Lift system type Spring-assisted hand-grip lever Cutting width Edge™ mower deck, 42 in. 107 cm Key Specs Power 17.5 hp 13 kW Displacement 30.5 cu in. 500 cc Manufacturer/model 31R977 (M31) Type Overhead valve, full-pressure lube, oil filter Cylinders One Governor Mechanical Choke/speed control Single lever with spring-return on choke Cooling method Air Air cleaner Cartridge Oil change No-tools oil drain with replaceable filter