John Deere 770 VS Allis Chalmers 620 specs comparison

John Deere 770
General InfosMake | John Deere |
Model | 770 |
Country | United states |
Production | From 1989 Until 1998 |
Price | - |
Tractor type | Compact Utility tractor |
Fuel | diesel |
Service repair manual | John Deere 770 Manual |
Dimensions, sizes and tires
AG front tires | 5.00-12 (2WD) |
AG rear tires | 9.5-24 (2WD) |
Lawn front tires | 25x8.50-14 |
Lawn rear tires | 25x8.50-14 |
Indus front tires | - |
Indus rear tires | - |
Weight | 1930 lbs or 875 kg |
Length | 87.8 inches [223 cm] |
Width | 53.8 inches [136 cm] |
Height | 79 inches [200 cm] |
Wheelbase | 61 inches [154 cm] |
Ground clearance | 12 inches [30 cm] |
Turning radius | - |
Rear tread size | 40 inches |
Front tread size | 37.5 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 83.1 ci or 1.4 L |
Cylinders | 3 cylinders |
Engine power | 23 hp or 17.2 kW |
Engine RPM | 2600 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 6.3 gal or 23.8 L |
Oil capacity | 4.2 qts or 4.0 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | John Deere 770 Parts |
Batteries number | 1 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | 447 |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 20 amps |
Trans system | - |
Trans type | unsynchronized sliding gear |
Trans gears | 8 forward and 2 reverse |
Clutch system | dry |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | manual |
Braking system | dry shoe |
Cabin type | Two-post ROPS |
Differentiel lock | - |
System | open center |
Valves | - |
Pump flow | - |
SVC flow | - |
Steering flow | - |
Tank capacity | 4 gal or 15.1 L |
Hydraulic pressure | 2050 psi or 141.3 bar |
Max flow | 5.6 gpm or 21.2 lpm |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | 20 hp or 14.9 kW |
Real power | - |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | transmission |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | 2100 (rpm) |
Fuel consumption | - |
Hitch system | - |
Rear hitch | I |
Rear hitch lift | 815 lbs or 369 kg |
Front hitch | - |
Front hitch lift | - |

Allis Chalmers 620
General InfosMake | Allis Chalmers |
Model | 620 |
Country | United states |
Production | From 1973 Until 1975 |
Price | - |
Tractor type | Sub Compact Utility tractor |
Fuel | gasoline |
Service repair manual | Allis Chalmers 620 Manual |
Dimensions, sizes and tires
AG front tires | 4.00x12 |
AG rear tires | 8x16 |
Lawn front tires | 20-8x10 |
Lawn rear tires | 20-8x10 |
Indus front tires | - |
Indus rear tires | - |
Weight | 1,500 lbs or 680 kg |
Length | 83 inches [210 cm] |
Width | 48 inches [121 cm] |
Height | 43.25 inches [109 cm] |
Wheelbase | 56 inches [142 cm] |
Ground clearance | 15 inches [38 cm] |
Turning radius | 3 feet [0.9 m] |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 49.8 ci or 0.8 L |
Cylinders | 2 cylinders |
Engine power | 19.5 hp or 14.5 kW |
Engine RPM | 3600 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | gasoline |
Fuel injection | - |
Fuel tank size | 3.8 gal or 14.4 L |
Oil capacity | 3.5 qts or 3.3 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | Allis Chalmers 620 Parts |
Batteries number | 1 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | negative |
Charging system | - |
Charging Volts | - |
Charging Amps | 20 amps |
Trans system | - |
Trans type | hydrostatic |
Trans gears | infinite (3-range) forward and reverse |
Clutch system | - |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | - |
Braking system | - |
Cabin type | Open operator station |
Differentiel lock | - |
System | - |
Valves | - |
Pump flow | - |
SVC flow | - |
Steering flow | - |
Tank capacity | 1.25 gal or 4.7 L |
Hydraulic pressure | 500 psi or 34.5 bar |
Max flow | 2.25 gpm or 8.5 lpm |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | - |
Real power | - |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | electric |
Rear PTO RPM | 2000 (rpm) |
Front PTO | electric |
Front PTO RPM | 2000 (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 ....
- John Deere provided us with the latest version of its 770 service repair manual
- Find All mechanical and electrical parts and accessories of John Deere 770 farm-tractor here
- Get your Allis Chalmers 620 manual book version
- Cabine, electrical And mechanical parts for Allis Chalmers 620 farm-tractor here