Honda GX390 QC9 Horizontal Engine with Cyclone Air Filter Replaces GX390 QXC9

Honda GX390 QC9 Horizontal OHV Engine with Cyclone Air Filter, 389cc, 11.7 Net HP, 1″ x 3-31/64″ Crankshaft, End Tapped Size 3/8-24UNF 2BTAP, Oil Alert, Replaces GX390 QXC9

Engine Information

Brand

Honda

Model Number

GX390UT2QC9

Replaces Models

GX390 QXC9

Warranty

3 Year Residential | 3 Year Commercial

Available to California

Not Available to Ship to California

Dimensions

Weight

77.0 lb

Power

Power Output

11.7 HP @ 3600 RPM

Torque

19.5 lb-ft (26.5 Nm) @ 2500 rpm

Crankshaft

Orientation

Horizontal

Type

Straight

Diameter

1″

Length

3-31/64″

Dimensions

1″ x 3-31/64″

End Tapped Size

3/8-24UNF 2BTAP

Keyway

1/4″

Rotation Direction

Counter-Clockwise

Other Engine Specifications

Starter Type

Recoil

Ignition System

Digital CDI with Variable Ignition Timing

Carburetor

Butterfly Float

Number of Cylinders

One

Cylinder Bore

Cast Iron Sleeve

Air Cleaner

Cyclone

Oil Capacity

1.16 qt

Fuel

Unleaded 86 Octane or Higher

Fuel Tank Capacity

6.4 qt

Fuel Pump

N/A

Governor System

Centrifugal Mass

Bore x Stroke

88mm x 64mm

Compression Ratio

8.2 : 1

Applications

Equipment Manufacturers

Edco, Vermeer

Equipment Types

Concrete Saws, Trenchers

Features

🞽Digital CDI ignition system with variable timing

🞽Increased compression ratio, Precision camshaft design offers precise valve timing and optimal valve overlap for better fuel efficency, and OHV design for increased efficiency and optimal power transfer

🞽Precision engineered components result in lower vibration

🞽Large capacity, multi-chamber exhaust system, Improved camshaft and muffler reduce overall engine noise by up to 5 dB

🞽Simple throttle control, large fuel tanks, dual oil drains and fill, and easily accessible spark plug

🞽Automatic mechanical de-compression system