Genuine Honda GX390 - Front

HONDA GX390 ENGINE RANGE - 13.0 HP

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  • Product Description

    Genuine Honda GX390 13 HP Small Engine

    Features

    • Precision camshaft design offers precise valve timing and optimal valve overlap for better fuel efficiency
    • Ball bearing supported crankshaft for greater stability
    • Forged steel crankshaft and rigid crankcase
    • Heavy duty recoil starter
    • Automatic mechanical de-compression system
    • Oil Alert

    COMMON APPLICATIONS

    As the largest of Honda's flagship GX range of engines, the GX390 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 and emissions compliance, heavy-duty Forestry Equipment, Agricultural Equipment and Water Pumps are also powered by the gutsy GX390.

    For a full comparison of the GX390 against other Honda engines, click on the Compare Products icon next to the Share tab, in the top right of this page.

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    EASY ON YOUR POCKET, HARD-WORKING

    A digital CDI ignition system with variable timing and an increased compression ratio combines with the GX390'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 mechancal noise, with an overall reduction of engine noise by up to 5 dB.

      

    PROVEN RELIABILITY

    The GX390 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.

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

    And with Oil Alert, 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 GX390's features go on and on.

     

    POWER CURVE

    honda-gx390-power-curves.gif

    * The power rating of the engine indicated in this document is the net power output tested on a production engine for the engine model and measured in accordance with SAE J1349 at 3600 rpm. Mass production engines may vary from this value. 

    Actual power output for the engine installed in the final machine will vary depending on numerous factors, including the operating speed of the engine in application, environmental conditions, maintenance and other variables.

     

    SPECIFICATIONS

    MODEL GX390
    TYPE 4-stroke, overhead valve, single-cylinder, horizontal shaft
    BORE & STROKE 88 x 64 mm
    DISPLACEMENT 389 cm3
    COMPRESSION RATIO 8.0:1
    NET POWER 8.2kW (11.0HP) at 3,600 rpm
    MAXIMUM NET TORQUE 25.1 Nm at 2,500 rpm
    IGNITION SYSTEM Transistorised magneto ignition
    STARTING SYSTEM Recoil (Electric Starter Optional)
    COOLING SYSTEM Forced-Air
    PTO SHAFT ROTATION Counter-clockwise (from P.T.O. side)
    FUEL CONSUMPTION AT RATED POWER 3.7 L/h at 3,600 rpm
    RECOMMENDED FUEL Unleaded
    LUBRICATION SYSTEM Splash
    RECOMMENDED OIL 10W/30 API SG
    OIL CAPACITY 1.1l
    FUEL TANK CAPACITY 6.1l
    DIMENSIONS 405 x 450 x 443mm
    DRY WEIGHT 31kg
    OTHER OPTIONS 2:1 Reduction
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  • Warranty Information

    3 YEAR WARRANTY
    Just like the entire GX Engine range, the GX390 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. Low profile versions also available.And should there be any issues, a nationwide network of 400+ authorised Honda dealers are there to back you up with all your parts & service requirements.

    Just like the entire GX Engine range, the GX390 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. Low profile versions also available.

    And should there be any issues, a nationwide network of 400+ authorised Honda dealers are there to back you up with all your parts & service requirements.

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