GX630/660/690

Raising the bar. On everything.
Honda V-twin engines offer higher horsepower, improved adaptability, quiet operation, and greater fuel efficency. Not to mention a 3 year warranty.

Common Applications
Pressure washers
Commercial lawn and garden equipment
Tillers / cultivators
Generators
Forestry equipment
Construction / industrial equipment
Agricultural equipment
Small vehicles
Water pumps


Features

Fuel Efficient Operation
Fuel economy is similar to fuel injection, with the simplicity of carburetion.
Digital CDI ignition system with variable timing
Includes a rev limiter to protect against damage from over-revving.
Two barrel inner-vent carburetor for more precise fuel metering
Insert style rod bearings

High Output Performance
Hemispherical combustion chamber delivers rapid combustion
9.3:1 compression ratio generates high power output without the need for premium fuel
Forged steel crankshaft
Pressure fed crankshaft bearings

Smooth Performance
Integrated cylinder and head
Racing inspired forged steel connecting rods

Exceptionally Quiet
High capacity 36 blade cooling fan
Aluminum push rods with steel tips – lighter weight, lower vibration, and quieter operation

Proven Reliability
High capacity pump facilitates consistent oil delivery
Dual cylindrical air filter
Large diameter air intake for superior cooling
3-Year Limited Warranty
Oil Alert

Easy to Use and Maintain
Hour meter available
Conveniently located controls, with several configurations available based on user preference
Automotive-type spin-on oil filter

Easy Starting
Automatic mechanical de-compression system
Variable ignition timing

Emissions Compliant
CARB and EPA certified
No catalyst necessary

Available Options
High capacity charging systems
A variety of control box configurations
Hour meter
Dry fuel versions

Specifications

specifications specifications

Dimensions

Dimensions

GX630 PTO

GX630 B Type Straight Shaft
GX630 B Type Straight Shaft
GX630 D Type Straight Shaft
GX630 D Type Straight Shaft
GX630 S Type Straight Shaft (metric)
GX630 S Type Straight Shaft (metric)
GX630 S Type Straight Shaft (metric)
GX630 S Type Straight Shaft (metric)
GX630 V Type Tapered Shaft
GX630 V Type Tapered Shaft

GX660 PTO

GX660 B Type Straight Shaft
GX660 B Type Straight Shaft
GX660 D Type Straight Shaft
GX660 D Type Straight Shaft
GX660 S Type Straight Shaft (metric)
GX660 S Type Straight Shaft (metric)
GX660 T Type Straight Shaft
GX660 T Type Straight Shaft
GX660 V Type Tapered Shaft
GX660 V Type Tapered Shaft

GX690 PTO

GX690 B Type Straight Shaft
GX690 B Type Straight Shaft
GX690 D Type Straight Shaft
GX690 D Type Straight Shaft
GX690 S Type Straight Shaft (metric)
GX690 S Type Straight Shaft (metric)
GX690 T Type Straight Shaft
GX690 T Type Straight Shaft
GX690 V Type Tapered Shaft
GX690 V Type Tapered Shaft

Additional Information (PDF Files)

Owners Manual