Engine
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| Engine Detail | |
| Engine | Briggs & Stratton 191707 |
| Fuel | gasoline |
| Cylinders | 1-cylinder |
| Cooling / layout | air-cooled vertical-shaft |
| Displacement | 318 cc 19.44 ci |
| Bore/Stroke | 3.00x2.75 inches 76 x 70 mm |
| Power (gross) | 8 hp 6.0 kW |
| Fuel system | carburetor |
| Starter | manual recoil
electric (optional) |
| Starter volts | 12 |
| Engine | |
|---|---|
| Engine manufacturer | Briggs & Stratton |
| Engine model | 191702-2133-01 |
Toro model 56138, serial 4000001–4999999; recoil-start configuration.
Toro, p. 1 ↗Verified 2026-11-01
Values may vary by engine, transmission or configuration. View source page