John Deere 850 VS Allis Chalmers H3 specs comparison

John Deere 850
General InfosMake | John Deere |
Model | 850 |
Country | United states |
Production | From 1978 Until 1989 |
Price | - |
Tractor type | Compact Utility tractor |
Fuel | diesel |
Service repair manual | John Deere 850 Manual |
Dimensions, sizes and tires
AG front tires | 5.00-15 |
AG rear tires | 9.5-24 |
Lawn front tires | 23/8.5-12 |
Lawn rear tires | 23/8.5-12 |
Indus front tires | - |
Indus rear tires | - |
Weight | 2400 lbs or 1088 kg |
Length | 117.7 inches [298 cm] |
Width | 53.3 inches [135 cm] |
Height | - |
Wheelbase | 64 inches [162 cm] |
Ground clearance | 13.7 inches [34 cm] |
Turning radius | - |
Rear tread size | 42 to 50 inches |
Front tread size | 42 to 58 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 78 ci or 1.3 L |
Cylinders | 3 cylinders |
Engine power | 25 hp or 18.6 kW |
Engine RPM | 2600 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 8.5 gal or 32.2 L |
Oil capacity | - |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | John Deere 850 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 2 reverse |
Clutch system | 210mm dry disc |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | manual |
Braking system | differential mechanical expanding shoe |
Cabin type | Two-post ROPS |
Differentiel lock | - |
System | open center |
Valves | - |
Pump flow | - |
SVC flow | - |
Steering flow | - |
Tank capacity | 4.75 gal or 18.0 L |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | 19 hp or 14.2 kW |
Drawbar horsepower | 17.77 hp or 13.3 kW |
Fuel consumption | 1.6 gal/hour or 6.1 l/hour |
Pulling power | 2,699 lbs or 1224 kg |
Claimed power | 22 hp or 16.4 kW |
Real power | 20.66 hp or 15.4 kW |
Engine @RPM | 540@2258 (rpm) |
PTO Clutch | - |
Rear PTO | transmission |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 1.4 gal/hour or 5.3 l/hour |
Hitch system | - |
Rear hitch | I |
Rear hitch lift | - |
Front hitch | - |
Front hitch lift | - |

Allis Chalmers H3
General InfosMake | Allis Chalmers |
Model | H3 |
Country | United states |
Production | From 1960 Until 1967 |
Price | - |
Tractor type | - |
Fuel | gasoline |
Service repair manual | Allis Chalmers H3 Manual |
Dimensions, sizes and tires
AG front tires | 7-inch track |
AG rear tires | 7-inch track |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 7395 lbs or 3354 kg |
Length | 108.75 inches [276 cm] |
Width | - |
Height | - |
Wheelbase | 64 inches [162 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | 48 inches |
Front tread size | 48 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 149 ci or 2.4 L |
Cylinders | 4 cylinders |
Engine power | - |
Engine RPM | 1650 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | gasoline |
Fuel injection | Marvel-Schebler carburetor |
Fuel tank size | 14 gal or 53.0 L |
Oil capacity | - |
Oil change | - |
Starter motor | electric |
Starter volts | 12 V |
Parts And Accessories | Allis Chalmers H3 Parts |
Batteries number | 1 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | - |
Charging system | - |
Charging Volts | - |
Charging Amps | - |
Trans system | Power Director |
Trans type | mechanical shuttle |
Trans gears | 4 forward and reverse |
Clutch system | wet disc (Power Director) |
Wheel drive | crawler |
Final drive | - |
Steering | mechanical clutches |
Braking system | mechanical contracting band |
Cabin type | Open operator station |
Differentiel lock | - |
System | open center |
Valves | 1 to 3 |
Pump flow | 15 gpm or 56.8 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | 16.5 gal or 62.5 L |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | 25.48 hp or 19.0 kW |
Fuel consumption | 2.9 gal/hour or 11.0 l/hour |
Pulling power | 7893 lbs or 3580 kg |
Claimed power | - |
Real power | 32.11 hp or 23.9 kW |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | optional |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 2.9 gal/hour or 11.0 l/hour |
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 850 service repair manual
- Find All mechanical and electrical parts and accessories of John Deere 850 farm-tractor here
- Get your Allis Chalmers H3 manual book version
- Cabine, electrical And mechanical parts for Allis Chalmers H3 farm-tractor here