DESCRIPTION Unleash the muscle of Confidant.™ Designed to get the job done reliably, Confidant engines are battle-tested to meet KOHLER Command PRO® durability tests. They feature a 3 year, unlimited hour, limited warranty. FEATURES Cast-iron cylinder bores protect under dirty conditions High-impact nylon shroud and valve cover protect against damage to internal components Chopper grass screen guard prevents grass and debris packing Heavy-duty air cleaner and stamped steel guard stand up to tough mowing conditions Pressure lubrication and cooler operation help extend engine life SPECIFICATIONS Engine type: Four-cycle, twin-cylinder, air-cooled, vertical shaft, gasoline, OHV, with cast iron liner. Model: ZT730 HP: 23 HP (17.2 kW) Displacement: 45.6 cu. in. (747 cc) Bore: 3.3 in. (83 mm) Stroke: 2.7 in. (69 mm) Gross Torque: 42.1 ft. lb. (57.1 Nm) Compression Ratio: 9.1:1 Dry Weight: 91 lb. (41.3 kg) Oil Capacity: 2 (1.9) Lubrication: Pressure lubrication w/full flow filter Dimensions LxWxH: 18.8 x 17.5 x 17 in. Backpressure Limit 2: 50 Certified Power: 22.1 HP (16.5 kW) Certified RPM: 3600 Emissions Compliance: CARB Phase III; EPA Phase III; China Phase II; EU Stage V Engine Type: Commercial EQUIPMENT TYPES Commercial Wide Area Walk Behind Mower Commercial Zero Turn Mower Residential Zero Turn Mower Residential Rider ENGINE Engine Type Four-cycle, twin-cylinder, air-cooled, vertical shaft, gasoline, OHV, with cast iron liner. Bore x Stroke 3.3 x 2.7 in. Displacement 45.6 cc Compression Ratio 9.1:1 Horsepower 23 HP Torque 42.1 ft. lb. DIMENSIONS Length 18.8 in. Width 17.5 in. Height 17 in. Weight 91 lb.