Gravely 8122 VS John Deere 420 specs comparison
![Gravely 8122 1979 comparison online with competitors](https://www.manytractors.com/images/models/specs-Gravely-8122-0.jpg)
Gravely 8122
General InfosMake | Gravely |
Model | 8122 |
Country | England |
Production | From 1979 Until 1985 |
Price | - |
Tractor type | - |
Fuel | - |
Service repair manual | Gravely 8122 Manual |
Dimensions, sizes and tires
AG front tires | - |
AG rear tires | - |
Lawn front tires | - |
Lawn rear tires | - |
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 | 476 cc or 29.07 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 | Gravely 8122 Parts |
Batteries number | 1 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | negative |
Charging system | - |
Charging Volts | - |
Charging Amps | - |
Trans system | - |
Trans type | gear |
Trans gears | 8 forward and 4 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 | - |
![John Deere 420 1983 comparison online with competitors](https://www.manytractors.com/images/models/specs-John-Deere-420-6.jpg)
John Deere 420
General InfosMake | John Deere |
Model | 420 |
Country | United states |
Production | From 1983 Until 1991 |
Price | 7,700 USD |
Tractor type | - |
Fuel | - |
Service repair manual | John Deere 420 Manual |
Dimensions, sizes and tires
AG front tires | 4.80x4.00-8 |
AG rear tires | 23x10.50-12 |
Lawn front tires | 18x8.50-8 |
Lawn rear tires | 18x8.50-8 |
Indus front tires | - |
Indus rear tires | - |
Weight | - |
Length | 77 inches 195 cm |
Width | 51.5 inches 130 cm |
Height | 47.5 inches 120 cm |
Wheelbase | 52 inches 132 cm |
Ground clearance | - |
Turning radius | - |
Rear tread size | 32/38.6 inches |
Front tread size | 36 inches |
Turning radius | 993 lbs 450 kg |
Horsepower and engin specs
Engine capacity | 781 cc or 47.7 ci |
Cylinders | 2 cylinders |
Engine power | - |
Engine RPM | 3600 (rpm) |
Torque | - |
Torque RPM | - |
Fuel type | - |
Fuel injection | - |
Fuel tank size | 6.5 gal 24.6 L |
Oil capacity | 1.75 qts 1.7 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | John Deere 420 Parts |
Batteries number | 1 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 20 amps |
Trans system | Sundstrand 90 |
Trans type | shaft-driven hydrostatic |
Trans gears | infinite (2-range) forward and reverse |
Clutch system | - |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | power |
Braking system | differential mechanical drum |
Cabin type | Open operator station |
Differentiel lock | mechanical rear |
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 | electric |
Rear PTO | independent |
Rear PTO RPM | 2000 (rpm) |
Front PTO | independent |
Front PTO RPM | 3400 (rpm) |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | - |
Rear hitch | - |
Rear hitch lift | 640 lbs 290 kg |
Front hitch | - |
Front hitch lift | - |
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Useful links and guides ....
- Gravely provided us with the latest version of its 8122 service repair manual
- Find All mechanical and electrical parts and accessories of Gravely 8122 lawn-tractor here
- Get your John Deere 420 manual book version
- Cabine, electrical And mechanical parts for John Deere 420 lawn-tractor here