The Honda 389cc GX340 Series horizontal engine produces 19.5-pound-Feet (26.4 Nm) at 2,500 rpm net torque. The GX340 is all new for 2010, featuring more power, quieter performance, lower fuel consumption, and lower emissions. With new features and better performance, the new GX engines establish themselves yet again as the best engines in the business. This legendary engine has earned the reputation as the preferred engine for construction equipment. Featuring top fuel efficiency and high output operation, the engine includes a digital CDI ignition system with variable timing with increased compression ratio. Precision camshaft design offers precise valve timing and optimal valve overlap for better fuel efficiency. The OHV design has increased efficiency and optimal power transfer. Precision engineered components resulting in lower vibration, ball bearing supported crankshaft for greater stability, heavy duty balancer shaft and improved piston design. The engine is exceptionally quiet, with a large capacity, multi-chamber exhaust system. They are emissions compliant, CARB and EPA certified and no catalyst is necessary. Engine Type: Air-cooled 4-stroke OHV. 88 by 64 mm bore and stroke. 389 cm3 displacement. Net Power Output: 10.7 HP (8.0 kW) at 3,600 rpm. Net Torque: 19.5-pound-Feet (26.4 Nm) at 2,500 rpm. PTO shaft rotation counterclockwise (from PTO shaft side). Compression Ratio: 8.2:1. Butterfly float type carburetor. Ignition System is digital CDI with variable ignition timing. Starting System: electric. Splash lubrication system. Centrifugal mass type governor system. Dual element air cleaner. Oil Capacity: 1.16 US quart (1.1 L). Fuel Tank Capacity: 6.4 US quarts (5.3 liters). Fuel: Unleaded 86 octane or higher. Dry Weight: 69-pound (31.5 kg). Common applications: Pressure washers, commercial lawn and garden equipment, tillers / cultivators, generators, construction / industrial equipment, agricultural equipment, small vehicles, water pumps.