Simplicity Wonder Boy VS Roper L821 Rally specs comparison
Simplicity Wonder Boy
General Infos| Make | Simplicity |
| Model | Wonder Boy |
| Country | United states |
| Production | From 1957 |
| Price | 340 USD |
| Tractor type | - |
| Fuel | - |
| Service repair manual | Simplicity Wonder Boy Manual |
Dimensions, sizes and tires
| AG front tires | - |
| AG rear tires | - |
| Lawn front tires | 10x2.50 |
| Lawn rear tires | 10x2.50 |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | - |
| Length | - |
| Width | - |
| Height | - |
| Wheelbase | - |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | - |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 167 cc or 10.2 ci |
| Cylinders | 1 cylinders |
| Engine power | - |
| Engine RPM | - |
| Torque | - | Torque RPM | - |
| Fuel type | - |
| Fuel injection | - |
| Fuel tank size | - |
| Oil capacity | - |
| Oil change | - |
| Starter motor | - |
| Starter volts | - |
| Parts And Accessories | Simplicity Wonder Boy Parts |
| Batteries number | - |
| Batteries voltage | - |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | - |
| Charging system | - |
| Charging Volts | - |
| Charging Amps | - |
| Trans system | - |
| Trans type | belt-driven gear |
| Trans gears | 1 forward and reverse |
| Clutch system | mechanical idler pulley |
| Wheel drive | 4x2 2WD |
| Final drive | - |
| Steering | manual |
| Braking system | - |
| Cabin type | Open operator station |
| Differentiel lock | - |
| System | - |
| Valves | - |
| Pump flow | - |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | - |
| Hydraulic pressure | - |
| Max flow | - |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | - |
| Fuel consumption | - |
| Pulling power | - |
| Claimed power | - |
| Real power | - |
| Engine @RPM | - |
| PTO Clutch | - |
| Rear PTO | - |
| Rear PTO RPM | - |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | - |
| Hitch system | - |
| Rear hitch | - |
| Rear hitch lift | - |
| Front hitch | - |
| Front hitch lift | - |
Roper L821 Rally
General Infos| Make | Roper |
| Model | L821 Rally |
| Country | United states |
| Production | From 1974 Until 1980 |
| Price | - |
| Tractor type | - |
| Fuel | - |
| Service repair manual | Roper L821 Rally Manual |
Dimensions, sizes and tires
| AG front tires | - |
| AG rear tires | - |
| Lawn front tires | 15.0x6.0 |
| Lawn rear tires | 15.0x6.0 |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | - |
| Length | 63 inches 160 cm |
| Width | 48 inches 121 cm |
| Height | 40 inches 101 cm |
| Wheelbase | 43.5 inches 110 cm |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | - |
| Front tread size | - |
| Turning radius | 394 lbs 178 kg |
Horsepower and engin specs
| Engine capacity | 318 cc or 19.44 ci |
| Cylinders | - |
| Engine power | - |
| Engine RPM | - |
| Torque | - | Torque RPM | - |
| Fuel type | - |
| Fuel injection | - |
| Fuel tank size | 1.1 gal 4.2 L |
| Oil capacity | - |
| Oil change | - |
| Starter motor | electric |
| Starter volts | 12 V |
| Parts And Accessories | Roper L821 Rally Parts |
| Batteries number | 1 |
| Batteries voltage | 12 V |
| Battries Amps | 24 amps |
| Cold Amps | - |
| Ground force | negative |
| Charging system | - |
| Charging Volts | - |
| Charging Amps | - |
| Trans system | - |
| Trans type | - |
| Trans gears | 3 forward and 1 reverse |
| Clutch system | - |
| Wheel drive | 4x2 2WD |
| Final drive | - |
| Steering | manual |
| Braking system | - |
| Cabin type | Open operator station |
| Differentiel lock | - |
| System | - |
| Valves | - |
| Pump flow | - |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | - |
| Hydraulic pressure | - |
| Max flow | - |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | - |
| Fuel consumption | - |
| Pulling power | - |
| Claimed power | - |
| Real power | - |
| Engine @RPM | - |
| PTO Clutch | - |
| Rear PTO | - |
| Rear PTO RPM | - |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | - |
| Hitch system | - |
| Rear hitch | - |
| Rear hitch lift | - |
| Front hitch | - |
| Front hitch lift | - |
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Useful links and guides ....
- Simplicity provided us with the latest version of its Wonder Boy service repair manual
- Find All mechanical and electrical parts and accessories of Simplicity Wonder Boy lawn-tractor here
- Get your Roper L821 Rally manual book version
- Cabine, electrical And mechanical parts for Roper L821 Rally lawn-tractor here