GX Series Commercial Grade
GX390

Features
•Honda OHV Commercial-grade engine
•Horizontal shaft
•Electronic ignition/Oil Alert
•EPA/CARB compliant
•3 Year Commercial Warranty

Applications: Lawn tractors, Pressure washers, Go-Karts, Trenchers, Agricultural equipment, Chipper/shredders, Air compressors, Concrete saws, Variety of construction equipment
Specification
Engine Type Air-cooled, 4-Stroke, OHV, single cylinder
Bore x Stroke 88 x 64 mm (3.5 x 2.5 in)
Displacement 389 cm3 (23.7 cu in)
Compression Ratio 8.0 : 1
Net Horse Power Output* 8.2kW (11.0HP) at 3,600 rpm
Net Torque 25.1 Nm (18.5 lbs ft) at 2,500 rpm
Ignition System Transistorized magneto ignition
Starting System Recoil Starter
PTO Shaft Rotation Counterclockwise (from PTO shaft side)
Carburetor Horizontal type butterfly valve
Lubrication System Forced Splash
Governor System Centrifugal Mechanical
Air Cleaner Dual Element Type (opt Cyclone type)
Oil Capacity 1.1 l (1.16 US qt, 0.97 Imp qt)
Dimensions (L x W x H) 405mm (15.9 in) x 450mm (17.7 in) x 443mm (17.4 in)
Dry Weight 31.0 kg (68.3 lbs)
* 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 (7000 rpm for model GHX50). 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.
Performance Curve