Command PRO CH680 You work your tail off 12+ hours a day. It's time to hold your engine to the same standard. With extended maintenance intervals and fuel-efficient operation, KOHLER Command PRO engines work as hard as you do. FEATURES Integrated oil coolers extend oil-change intervals and maintain low temperatures during the entire power range High-efficiency, heavy-duty air filters provide protection from debris and ensure longer service intervals Extra-large sleeve bearings support heavy loads in commercial and industrial environments SPECIFICATIONS Engine type: 4-cycle, gasoline, OHV, cast iron cylinder liner, aluminum block HP: 22.5 HP (16.8 kW) Displacement: 41.1 cu. in. (674 cc) Bore: 3.2 in. (80 mm) Stroke: 2.6 in. (67 mm) Gross Torque: 36.8 ft. lb. (49.9 Nm) Compression Ratio: 8.5:1 Dry Weight: 90 lb. (41 kg) Oil Capacity: 2 US qt. (1.9 L) Lubrication: Full pressure w/full-flow filter Dimensions LxWxH: 14 x 17.7 x 19.0 Certified Power: 21.5 HP (16 kW) Certified RPM: 3600 Emissions Compliance: China Phase II Engine Type: Commercial Backpressure Limit: 50 EQUIPMENT TYPES Concrete Trowel Concrete Saw Wood Chipper Blower Pump Riding Mower Stump Grinder Welder Wide-Area Walk-Behind Zero-Turn Mower Light Tower Generator Floor Buffer Curber ENGINE Engine Type 4-cycle, gasoline, OHV, cast iron cylinder liners, aluminum block Bore x Stroke 3.2 in. x 2.6 in. (80 mm x 67 mm) Displacement 41.1 cu. in. (674 cc) Compression Ratio 8.5:1 Horsepower 22.5 HP (16.8 kW); Certified: 21.5 HP (16 kW) Torque 36.8 ft. lb. (49.9 Nm) DIMENSIONS Length 14 in. Width 17.7 in. Height 19 in. Weight 90 lb. (41 kg)