1961 - 1964
| 1961 - 1964 |
| Wonder Boy Series |
| Riding lawn mower |
Production
| Production |
| Manufacturer | Simplicity |
| Type | Riding lawn mower |
| Factory | Port Washington, Wisconsin, USA |
| Original price | $325 (1963 ) |
Simplicity 400 Engine
| Simplicity 400 Engine |
| 4HP Briggs & Stratton 1-cyl gasoline |
| Engine details ... |
1961 - 1964
| 1961 - 1964 |
| Wonder Boy Series |
| Riding lawn mower |
Engine Detail
| Engine Detail |
| Briggs & Stratton |
| gasoline |
| 1-cylinder |
| air-cooled |
| Power | 4 hp
3.0 kW |
| Starter type | manual recoil |
Simplicity 400 Transmission
| Simplicity 400 Transmission |
| 2-speed gear |
| Transmission details ... |
1961 - 1964
| 1961 - 1964 |
| Wonder Boy Series |
| Riding lawn mower |
Transmission
| Transmission |
| Type | belt-driven gear |
| Gears | 2 forward and reverse |
Speeds
Mechanical
| Mechanical |
| Chassis | 4x2 2WD |
| Steering | manual |
| Cab | Open operator station. |
Dimensions & Tires
| Dimensions & Tires |
| Front tire | 10x2.50 |
| Rear tire | 4.00x8 |
| Full dimensions and tires ... |
1961 - 1964
| 1961 - 1964 |
| Wonder Boy Series |
| Riding lawn mower |
Simplicity 400 Tires
| Simplicity 400 Tires |
| Lawn/turf front | 10x2.50 |
| Lawn/turf rear | 4.00x8 |
