1958 - 1959
| 1958 - 1959 |
| Wonder Boy Series |
| Riding lawn mower |
Production
| Production |
| Manufacturer | Simplicity |
| Riding lawn mower |
| Built in Port Washington, Wisconsin, USA |
| Original price was $290 in 1960 |
Simplicity 450 Engine
| Simplicity 450 Engine |
| 4.5HP Briggs & Stratton 1-cyl gasoline |
| Engine details ... |
1958 - 1959
| 1958 - 1959 |
| Wonder Boy Series |
| Riding lawn mower |
Engine Detail
| Engine Detail |
| Briggs & Stratton |
| gasoline |
| 1-cylinder |
| air-cooled |
| Power (gross) | 4.5 hp
3.4 kW |
| Starter | manual recoil |
| | electric OptOptional |
| Starter volts | 12 |
Simplicity 450 Transmission
| Simplicity 450 Transmission |
| 2-speed gear |
| Transmission details ... |
1958 - 1959
| 1958 - 1959 |
| Wonder Boy Series |
| Riding lawn mower |
Transmission
| Transmission |
| Type | belt-driven gear |
| Gears | 2 forward and reverse |
Speeds
Mechanical
| Mechanical |
| Two-wheel drive |
| Manual steering |
| Open operator station. |
Dimensions & Tires
| Dimensions & Tires |
| Front tire | 10x2.50 |
| Rear tire | 4.00x8 |
| Full dimensions and tires ... |
1958 - 1959
| 1958 - 1959 |
| Wonder Boy Series |
| Riding lawn mower |
Simplicity 450 Tires
| Simplicity 450 Tires |
| Lawn/turf front | 10x2.50 |
| Lawn/turf rear | 4.00x8 |
