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Honda V-Twin Horizontal OHV Engine with Electric Start – 688cc, GX Series, 1 1/8in. x 3.55in. Shaft, Model# GX660RHTDW
Item# 166139
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- 688cc air-cooled, 4-stroke OHV engine
- 50-state compliant engine
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Compare with Most Popular 601cc - 900cc Honda Horizontal Engines
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Item# 166139
Honda V-Twin Horizontal OHV Engine with Electric Start – 688cc, GX Series, 1 1/8in. x 3.55in. Shaft, Model# GX660RHTDW
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|
Engine Displacement (cc)
|
688 | 688 | 688 | 688 | 688 |
|
Start Type
|
Electric start | Electric, shift type | Electric, shift type | Electric | Electric |
| Application | Concrete saw, pressure washer, chipper/shredder, trencher, vibratory roller, ride-on cement trowel | Concrete saw, pressure washer, chipper/shredder, trencher, vibratory roller, ride-on cement trowel | Lawn tractor, mower, utility vehicle, concrete saw, pressure washer, chipper/shredder, trencher, vibratory roller, ride-on cement trowel | Concrete saw, pressure washer, chipper/shredder, trencher, vibratory roller, ride-on cement trowel | Grain auger/elevator, pressure washer, semi-trailer w/power pack |
| Engine Type | GX series OHV V-Twin commercial-duty | GX series OHV V-Twin commercial-duty | GX series OHV V-Twin commercial-duty | GX series OHV V-Twin commercial-duty horizontal | GX series OHV V-Twin |
| Net Power Output (HP) | 20.8 (15.5 kW) at 3,600 RPM | 20.8 (15.5 kW) at 3,600 RPM | 21.5 (16.0 kW) at 3,600 RPM | 20.8 (15.5 kW) at 3,600 RPM | 22.1 (16.5 kW) at 3,600 RPM |
| Net Torque (lbs./ft.) | 35.6 (48.3 Nm) at 2,500 RPM | 35.6 (48.3 Nm) at 2,500 RPM | 35.6 (48.3 Nm) at 2,500 RPM | 35.6 (48.3 Nm) at 2,500 RPM | 35.6 (48.3 Nm) at 2,500 RPM |
|
Shaft Output
|
Horizontal | Horizontal | Horizontal | Horizontal | Horizontal |
| Crankshaft | Q-type | Q-type | T type | Q-type horizontal | T type |
| Shaft Diameter (in.) | 1 | 1 | 1 1/8 | 1 | 1 1/8 |
| Shaft Length (in.) | 2 29/32 | 2 29/32 | 3.55 | 2 29/32 | 3.55 |
|
Shaft Keyway (in.)
|
1/4, (Key size 6.3mm x 50mm) | 1/4, (Key size 6.3mm x 50mm) | 1/4, (Key size 6.3mm x 70mm) | 1/4 (Key size 6.3mm x 50mm) | 1/4 (key size 6.3mm x 70mm) |
| Shaft End Tapped (Diameter (in.)/Threads per inch) | 3/8–24, UNF2B | 3/8–24, UNF2B | 7/16–20, UNF2B | 3/8-24, UNF2B | 7/16–20, UNF2B |
| Shaft Rotation (From PTO Shaft Side) | Counterclockwise | Counterclockwise | Counterclockwise | Counterclockwise | Counterclockwise |
| Gear Reduction | - | - | - | No | - |
| PTO Height (in.) | 5 1/4 | 5 1/4 | 5 1/4 | 5 1/4 | - |
|
Bearing Type
|
- | - | - | Ball bearing | Ball bearing |
|
Cylinders (qty.)
|
2 | 2 | 2 | 2 | 2 |
|
Cylinder Bore
|
Integrated | Integrated | Integrated | Integrated | Integrated |
|
Bore x Stroke (in.)
|
3.1 x 2.8 | 3.1 x 2.8 | 3.1 x 2.8 | 3.1 x 2.8 | 3.1 x 2.8 |
|
Compression Ratio
|
9.3:1 | 9.3:1 | 9.3:1 | 9.3:1 | 9.3:1 |
|
Cooling System
|
Air cooled | Air cooled | Air cooled | Air cooled | Air cooled |
|
Air Cleaner Type
|
Dual element/cylindrical | Dual element/cylindrical | Dual element/cylindrical | Dual element/cylindrical | Dual element |
| Fuel Tank | Not included | Not included | Not included | - | No |
| Fuel Type | Gasoline | Gasoline | Gasoline | Gasoline | Gas |
|
Fuel Pump
|
Boost type | Boost type | Boost type | Boost type | Boost type |
| Fuel Filter | - | - | - | Yes, fuel strainer | - |
|
Oil Capacity (qt.)
|
2 | 2 | 2 | 2 | 2 |
|
Lubrication System
|
Full pressure | Full pressure | Full pressure | Full pressure | Full pressure |
|
Low Oil Alert
|
Yes | Yes | - | Oil pressure indicator | Yes |
|
Low Oil Shutdown
|
- | - | - | Yes | No |
|
Ignition System
|
Electonic, digital CDI w/variable ignition timing | Electonic, digital CDI w/variable ignition timing | Electonic, digital CDI w/variable ignition timing | Electronic, digital CDI with variable ignition timing | Electrical, digital CDI w/variable ignition timing |
|
Governor System
|
Mechanical | Mechanical | Mechanical | Mechanical | Mechanical |
|
Carburetor
|
2-barrel, fuel cut solenoid, inner vent | 2-barrel, fuel cut solenoid, inner vent | 2-barrel, fuel cut solenoid, inner vent | 2-barrel, fuel cut solenoid, inner vent | (2) Barrel, fuel cut solenoid, inner vent |
|
Throttle Control
|
Manual | Manual | Remote (wire) | Remote rod | Manual |
|
Choke Control
|
Manual | Manual | Remote (wire) | Remote rod | Manual |
|
Max. RPM
|
3,600 | 3,600 | 3,600 | 3,600 | 3,600 |
| Charging System Amps | 2.7 | 17 | 20 | 17 | 20 |
|
Muffler Included
|
Not included | Not included | Not included | No | No |
|
Flywheel Brake
|
No | No | No | No | No |
| Auto Compression Release | - | - | - | Yes | - |
|
Bolt Circle (in.)
|
5, 6 1/2, 7 3/4 | 5, 6 1/2, 7 3/4 | 5, 6 1/2, 7 3/4 | 5, 6 1/2, 7 3/4 | 5, 6 1/2, 7 3/4 |
|
Mounting Base L x W (in.)
|
7 11/16 x 3 25/64–4 21/32 | 7 11/16 x 3 25/64–4 21/32 | 7 11/16 x 3 25/64–4 21/32 | 7 11/16 x 3 25/64 x 4 21/32 | 7 11/16 x 3 25/64–4 21/32 |
|
Dimensions L x W x H (in.)
|
15 7/8 x 16 1/8 x 17 3/16 | 15 7/8 x 16 1/8 x 17 3/16 | 15 7/8 x 16 1/8 x 17 3/16 | 15 7/8 x 16 1/8 x 17 3/16 | 16 x 18 x 18 |
|
EPA/CARB Approval (California Air Resource Board)
|
Yes | Yes | Yes | Yes | Yes |
| Product Weight (lbs.) | - | - | - | 110 | - |
