Description

The GX390 engine is suitable for a wide range of heavy-duty applications such as construction equipment, tillers, generators, welders, pumps and other industrial applications.
Engine features:
The OHV design enhances combustion efficiency
A variable ignition timing (digital CDI) results in high power output, reduced fuel consumption and excellent exhaust emissions performance.
Easy starting with an automatic decompression system and an easy-to-grip soft recoil starter handle
High quality materials and purpose-built components ensure reliable long-term use
Meets world’s most stringent environmental legislation
Guaranteed low fuel and oil consumption
Reduced vibration and noise level

Engine TypeAir-cooled 4-stroke OHVBore x Stroke88 mm x 64 mmDisplacement389 cm3Net Power Output*13 HP @ 3,600 rpmNet Torque19.5 lb-ft (26.4 Nm) @ 2,500 rpmPTO Shaft RotationCounterclockwise (from PTO shaft side)Compression Ratio8.2:1Fuel Tank Capacity6.1 litres (6.4 U.S. qts)Lamp/Charge coil options25W, 50W / 1A, 3A, 10A, 18ACarburetorButterfly float typeIgnition SystemDigital CDI with variable ignition timingStarting SystemRecoil/electricLubrication SystemSplashGovernor SystemCentrifugal mass typeAir CleanerDual elementOil Capacity1.1 litres (1.16 U.S. qts)FuelUnleaded 86 octane or higher

Bore x Stroke (mm)88 x 64Displacement (cm³)389Compression Ratio8.0 : 1Max Power Output13HP x 3600Ignition SystemTransistorized Magneto IgnitionStarter SystemRecoilFuel Tank Capacity (L)6.1Engine Oil Capacity (L)1.1