Engine: Air-cooled 4-stroke OHV Air-cooled
Bore x Stroke: 78 X 72 mm
Displacement: 688 cm3
Net Power Output: 20.8 hp (15.5 kW) @ 3,600 rpm
Net Torque: 35.6 lbs ft (48.3 Nm) @ 2,500 rpm
PTO Shaft Rotation: Counterclockwise (from PTO shaft side)
Compression Ratio: 9.3:1
Lamp/Charge coil options: 2.7A, 17A, 26A
Carburetor: Horizontal type, two barrel butterfly valve, internal vent
Ignition System: Digital CDI with variable ignition timing
Starting System: Electric
Lubrication System: Forced lubrication
Governor System: Mechanical
Air Cleaner: Dual element
Oil Capacity: 2.3 US qt (2.2l)
Fuel: Unleaded 86 octane or higher