GX630 - 20.8 Horsepower
Standard Features
- Fuel-Efficient, High-Output Operation
- Exceptionally Quiet
- Proven Reliability
- Easy To Use And Maintain
- Easy Starting
- Emissions Compliant
Options
- High-capacity charging system
- Hour meter
Applications
- Pressure washers, Commercial lawn and garden equipment, Tillers/cultivators, Generators, Forestry equipment, Construction/industrial equipment, Agricultural equipment, Small vehicles, Water pumps

Muffler and Fuel Tank sold separately
* Mount regulator / rectifier off engine to avoid heat
IMAGE | QTY | SKU | PTO | STARTER | AIR CLEANER | OIL ALERT | CHARGE COIL | REGULATOR/RE | DRY WEIGHT |
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Product Specifications | |
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Bore x Stroke | 78 x 72 mm (3.0 x 2.8 in) |
Carburetor | Horizontal, 2 barrel butterfly valve,internal vent |
Compression Ratio | 9.3:1 |
Dimensions (L x W x H) | 405 x 410 x 438 mm ( 15.9 x 16.1 x 17.2 in) |
Displacement | 688 cm3 ( 41.98 cu in) |
Engine Type | Air-cooled, 4-Stroke, OHV, twin cylinder |
Governor System | Centrifugal mechanical |
Ignition System | Digital CDI with variable ignition timing |
Lubrication System | Forced lubrication |
Net Horse Power Output* | 15.5 kW (20.8 HP) at 3,600 rpm |
Net Torque | 48.3 Nm (35.6 lbs ft) at 2,500 rpm |
Oil Capacity | 2.0 l (2.1 US qt. 1.74 Imp qt.) |
Oil Filter | Spin On |
PTO Shaft Rotation | Counterclockwise (from PTO shaft side) |
FREE SHIPPING OPTIONS:
* STENS, NGK & BOSCH - Orders of $300+
* OPTI LUBRICANTS - Orders of $600+
* UNITS - MIX'N MATCH ANY COMBINATION OF 6 (ENGINES INCLUDED)