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Stationary Engine GX340


Stationary Engine GX340


The Stationary Engine GX340 is used in all sorts of applications. From Pressure Washers and Construction/Industrial equipment, to Tillers/Cultivators, Generators and Commercial Lawn & Garden Equipment, it can be found working hard all over Australia.

Due to its power, heavy-duty Forestry Equipment, Agricultural Equipment and Water Pumps are also powered by the gutsy GX340.

Of course, to see how the GX340 stacks up against other Honda engines, click on the Compare Products icon next to the Share tab, in the top right of this page.


A digital CDI ignition system with variable timing and an increased compression ratio combines with the GX340’s Precision Camshaft design to offer precise valve timing and optimal valve overlap for better fuel efficiency.

It draws on decades of Honda engineering with its OHV design, delivering increased efficiency and optimal power transfer where and when you need it.

The use of lightweight, noise-reducing materials and a forged steel crankshaft & rigid crankcase results in an exceptionally quiet engine – an improved piston design reduces mechanical noise, with an overall reduction of engine noise by up to 5 dB.


The GX340 offers precision-engineered components resulting in lower vibration, and a Ball Bearing-supported Crankshaft for greater stability. It also offers an improved piston design and a heavy duty balancer shaft to deliver smooth performance.

A large capacity, multi-chamber exhaust system and sophisticated air intake system also makes for an exceptionally quiet engine.

And with a simple Throttle Control, large Fuel Tank and Automotive Type Fuel Cap, Dual Oil Drains and Fills, an easily accessible Spark Plug and Heavy Duty Recoil Starter, the Stationary Engine GX340’s features go on and on.


The GX340, just like the entire GX Engine range, is covered by an extensive Honda 3 Year Warranty.

And for those who want a little bit more, available extras include Gear reduction options, Electric start option, Spark arrester and Charge & Lamp Coils with Multiple Output Options.

Engine Type

4-stroke, overhead valve, single-cylinder

Bore x Stroke (mm)

82 X 64

Displacement (cc)


Compression Ratio



Transistorized magneto

Horsepower Class (hp)


Net Power (kw)

7.1 (9.5HP) at 3600 rpm

Continuous Rated Power (kw)

5.8 (7.8HP) at 3600 rpm

Max Torque (Nm)

22.1 at 2500 rpm

Gearbox Reduction and Clutch


Shaft Vertical / Horizontal


Fuel Type


Fuel Tank Capacity (Ltrs)


Fuel Consumption (L/Hour)

3.0 at 3600 rpm

Oil Capacity (Ltr)


Dimensions LxWxH (mm)

405 x 450 x 443

Dry Weight (kg)

31, 33.5

Engine Model Variation



Agricultural Equipment, Commercial Lawn and Garden, Construction / Industrial Equipment, Forrestry Equipment, Generators, Pressure Washers, Small Vehicles, Tillers / Cultivators, Water Pumps

Stationary Engine GX340


NOTE: The GX340 range is being replaced by the GX390 (view here)

The GX340 features more power, quieter performance, lower fuel consumption, and lower emissions. GX engines establish themselves yet again as the best engines in the business.

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