1967
| 1967 |
| Wonder Boy Series |
| Riding lawn mower |
Production
| Production |
| Manufacturer | Simplicity (a part of Allis Chalmers) |
| Riding lawn mower |
| Built in Port Washington, Wisconsin, USA |
| Original price was $280 in 1967 |
Simplicity 404 Engine
| Simplicity 404 Engine |
| 4HP Briggs & Stratton 170cc 1-cyl gasoline |
| Engine details ... |
1967
| 1967 |
| Wonder Boy Series |
| Riding lawn mower |
Engine Detail
| Engine Detail |
| Briggs & Stratton 100000 |
| gasoline |
| 1-cylinder |
| air-cooled |
| Displacement | 170 cc
10.4 ci |
| Bore/Stroke | 2.50x2.125 inches
64 x 54 mm |
| Power (gross) | 4 hp
3.0 kW |
| Starter type | manual recoil |
Simplicity 404 Transmission
| Simplicity 404 Transmission |
| 2-speed gear |
| Transmission details ... |
1967
| 1967 |
| Wonder Boy Series |
| Riding lawn mower |
Transmission
| Transmission |
| Type | belt-driven gear |
| Gears | 2 forward and 1 reverse |
Mechanical
| Mechanical |
| Two-wheel drive |
| Manual steering |
| Open operator station. |
Dimensions & Tires
| Dimensions & Tires |
| Front tire | 10x2.75 |
| Rear tire | 13x5.00-6 |
| Full dimensions and tires ... |
1967
| 1967 |
| Wonder Boy Series |
| Riding lawn mower |
Simplicity 404 Tires
| Simplicity 404 Tires |
| Lawn/turf front | 10x2.75 |
| Lawn/turf rear | 13x5.00-6 |
