COMMAND PRO CH730LP Command PRO gaseous fuel engines are designed to run on either natural gas or propane. This professional line of carbureted propane and natural gas engines eliminates bad gasoline issues and lets you skip fuel-system winterization. SPECIFICATIONS Engine type: 4-cycle, gasoline, OHV, cast iron cylinder liners, aluminum block HP: 21.5 HP (16 kW) Displacement: 44 cu. in. (725 cc) Bore: 3.3 in. (83 mm) Stroke: 2.6 in. (67 mm) Gross Torque: 34 ft. lb. (46.1 Nm) Compression Ratio: 9.0:1 Dry Weight: 108 lb. (49 kg) Oil Capacity: 2 US qt.(1.9 L) Lubrication: Full pressure w/full-flow filter Dimensions LxWxH: 14 x 17.7 x 19 in. Backpressure Limit: 50 Certified Power: 20.4 HP (15.2 kW) Certified RPM: 3600 Emissions Compliance: CARB Phase III; EPA Phase III Engine Type: Commercial EQUIPMENT TYPES Generator FEATURES Designed to operate on both propane and natural gas fuels Cast iron cylinder liners provide lasting durability Zero maintenance hydraulic valve train Full pressure lubrication system to all bearings KOHLER® 3-year commercial warranty Engine Type 4-cycle, gasoline, OHV, cast iron cylinder liners, aluminum block Bore x Stroke 3.3 x 2.6 in. (83 x 67 mm) Displacement 44 cu. in. (725 cc) Compression Ratio 9.0:1 Horsepower 21.5 HP (16 kW); Certified: 20.4 HP (15.2 kW) Torque 34 ft. lb. (46.1 Nm) DIMENSIONS Length 14 in. Width 17.7 in. Height 19 in. Weight 108 lb. (49 kg)