# GX660RHTDW

**Manufacturer:** Honda Engines  
**MPN:** `GX660RHTDW`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Honda Engines |
| Manufacturer name | Honda Engines |
| Manufacturer | Honda Engines |
| Weight | 110.0 |
| WeightUnit | lbs |
| moq | 1 |
| MPN | GX660RHTDW |
| multiple | 1 |
| qtyInStock | -2 |
| SKU | 166139 |
| tierMinQty1 | 1 |
| Item# | 166139 |
| Brand | Honda Engines |
| Manufacturer's Warranty | 3 year limited warranty |
| Ship Weight | 110.0 lbs |
| Engine Displacement (cc) | 688 |
| Start Type | Electric, shift type |
| Application | Lawn tractor, mower, utility vehicle, concrete saw, pressure washer, chipper/shredder, trencher, vibratory roller, ride-on cement trowel |
| Engine Type | GX series OHV V-Twin commercial-duty |
| Net Power Output (HP) | 21.5 (16.0 kW) at 3,600 RPM |
| Net Torque (lbs /ft ) | 35.6 (48.3 Nm) at 2,500 RPM |
| Shaft Output | Horizontal |
| Crankshaft | T type |
| Shaft Diameter (in ) | 1 1/8 |
| Shaft Length (in ) | 3.55 |
| Shaft Keyway (in ) | 1/4, (Key size 6.3mm x 70mm) |
| Shaft End Tapped (Diameter (in )/Threads per inch) | 7/16–20, UNF2B |
| Shaft Rotation (From PTO Shaft Side) | Counterclockwise |
| PTO Height (in ) | 5 1/4 |
| Cylinders (qty ) | 2 |
| Cylinder Bore | Integrated |
| Bore x Stroke (in ) | 3.1 x 2.8 |
| Compression Ratio | 9.3:1 |
| Cooling System | Air cooled |
| Air Cleaner Type | Dual element/cylindrical |
| Fuel Tank | Not included |
| Fuel Type | Gasoline |
| Fuel Pump | Boost type |
| Oil Capacity (qt ) | 2 |
| Lubrication System | Full pressure |
| Ignition System | Electonic, digital CDI w/variable ignition timing |
| Governor System | Mechanical |
| Carburetor | 2-barrel, fuel cut solenoid, inner vent |
| Throttle Control | Remote (wire) |
| Choke Control | Remote (wire) |
| Max RPM | 3,600 |
| Charging System Amps | 20 |
| Muffler Included | Not included |
| Flywheel Brake | No |
| Bolt Circle (in ) | 5, 6 1/2, 7 3/4 |
| Mounting Base L x W (in ) | 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 |
| EPA/CARB Approval (California Air Resource Board) | Yes |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Northern Tool | 166139 |  |  | None | 1 |

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