Engine
Scroll tables horizontally to view every column.
| Engine options | |
| Engine | 18HP Briggs & Stratton 693cc 2-cyl gasoline 18HP Vanguard 569cc 2-cyl gasoline |
| Engine Detail | |
| Engine | Briggs & Stratton 421417 |
| Fuel | gasoline |
| Cylinders | 2-cylinder |
| Cooling / layout | air-cooled horizontal-shaft opposed-twin |
| Notes | Original engine for the GT-1855. |
| Displacement | 693 cc 42.3 ci |
| Bore/Stroke | 3.44x2.28 inches 87 x 58 mm |
| Power (gross) | 18 hp 13.4 kW |
| Air cleaner | dry |
| Rated RPM | 3500 |
| Starter | electric |
| Starter volts | 12 |
| Engine Detail | |
| Engine | Vanguard 350447 |
| Fuel | gasoline |
| Cylinders | 2-cylinder |
| Cooling / layout | air-cooled horizontal-shaft V-Twin |
| Notes | The V-Twin was used during the final production run of the GT-1855 with the 998 model codes. |
| Displacement | 569 cc 34.75 ci |
| Bore/Stroke | 2.83x2.75 inches 72 x 70 mm |
| Power (gross) | 18 hp 13.4 kW |
| Air cleaner | dry |
| Starter | electric |
| Starter volts | 12 |
Values may vary by engine, transmission or configuration. View source page