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Honda GXV390 Engine


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This item: Honda GXV390 Engine

PLEASE NOTE – Honda Power Equipment are experiencing stock shortages throughout Australia and unprecedented demand. Please call us on (08) 9248 2242 OR email us at [email protected] to confirm stock prior to purchasing if urgent.

We appreciate your understanding.


The Honda GXV390 is used throughout Australia to power commercial lawn and garden equipment, including Ride-on lawn mowers.

As well as this, the GX390 is often used to power Construction/Industrial Equipment, as well as heavy-duty Agricultural equipment.

There’s enough directional power in the GX390 to also power equipment such as Mini Loaders, and it’s also used in Floor Cleaning applications.

Key Features

  • Type: 4-stroke, overhead valve, single-cylinder, horizontal shaft
  • Bore & Stroke: 88 x 64mm
  • Displacement: 389cm3
  • Compression Ratio: 7.7:1
  • Net Power: 7.6kW (10.2HP) at 3000rpm
  • Continuous Rated Power: 5.2kW (7.0HP) at 3600rpm
  • Maximum Net Torque: 24.2Nm at 2500rpm
  • Ignition System: Transistorised magneto ignition
  • Starting System: Recoil (Electric Start Optional)
  • Cooling System: Forced-air
  • PTO Shaft Rotation: Counter-clockwise (from PTO side)
  • Fuel Consumption at Rated Power: 2.5L/h at 3600rpm
  • Recommended Fuel: Unleaded
  • Lubrication System: Pressure and splash
  • Recommended Oil: 10W/30 API SG
  • Oil Capacity: 1.15L
  • Fuel Tank Capacity: 2.1L


  • Dimensions: 430 x 385 x 410mm
  • Dry Weight: 33kg