Allis Chalmers D21 Series I VS Farmall 856 specs comparison

Allis Chalmers D21 Series I
General InfosMake | Allis Chalmers |
Model | D21 Series I |
Country | United states |
Production | From 1963 Until 1969 |
Price | - |
Tractor type | Row Crop tractor |
Fuel | diesel |
Service repair manual | Allis Chalmers D21 Series I Manual |
Dimensions, sizes and tires
AG front tires | 11.00x16 |
AG rear tires | 24.5x32 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 9500 lbs or 4309 kg |
Length | 160.6 inches [407 cm] |
Width | 91.6 inches [232 cm] |
Height | - |
Wheelbase | 96.1 inches [244 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 426 ci or 7.0 L |
Cylinders | 6 cylinders |
Engine power | - |
Engine RPM | 2200 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 52 gal or 196.8 L |
Oil capacity | 12 qts or 11.4 L |
Oil change | - |
Starter motor | - |
Starter volts | - |
Parts And Accessories | Allis Chalmers D21 Series I Parts |
Batteries number | 2 |
Batteries voltage | 12 V |
Battries Amps | 95 amps |
Cold Amps | - |
Ground force | negative |
Charging system | Delco-Remy generator |
Charging Volts | - |
Charging Amps | 32 amps |
Trans system | Power Director |
Trans type | sliding gear |
Trans gears | 8 forward and 2 reverse |
Clutch system | dry disc |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | power |
Braking system | band actuated disc |
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 | 93 hp or 69.4 kW |
Drawbar horsepower | 93.09 hp or 69.4 kW |
Fuel consumption | 7.1 gal/hour or 26.9 l/hour |
Pulling power | 14,840 lbs or 6731 kg |
Claimed power | 103 hp or 76.8 kW |
Real power | 103.06 hp or 76.9 kW |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | independent |
Rear PTO RPM | 1000 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 7.1 gal/hour or 26.9 l/hour |
Hitch system | - |
Rear hitch | III/II |
Rear hitch lift | - |
Front hitch | - |
Front hitch lift | - |

Farmall 856
General InfosMake | Farmall |
Model | 856 |
Country | United states |
Production | From 1967 Until 1971 |
Price | - |
Tractor type | Row Crop tractor |
Fuel | diesel |
Service repair manual | Farmall 856 Manual |
Dimensions, sizes and tires
AG front tires | 7.50-16 |
AG rear tires | 16.9-38 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 9,270 lbs or 4204 kg |
Length | 164 inches [416 cm] |
Width | 92 inches [233 cm] |
Height | - |
Wheelbase | 105 inches [266 cm] |
Ground clearance | - |
Turning radius | 11 feet [3.4 m] |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 301 ci or 4.9 L |
Cylinders | 6 cylinders |
Engine power | - |
Engine RPM | 2400 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 42 gal or 159.0 L |
Oil capacity | 9 qts or 8.5 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | Farmall 856 Parts |
Batteries number | 2 |
Batteries voltage | 6 V |
Battries Amps | - |
Cold Amps | - |
Ground force | - |
Charging system | - |
Charging Volts | - |
Charging Amps | - |
Trans system | Torque Amplifier |
Trans type | - |
Trans gears | 16 forward and 8 reverse |
Clutch system | dry disc |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | hydrostatic power |
Braking system | independent hydraulic disc |
Cabin type | Cab optional with heat and A/C |
Differentiel lock | - |
System | - |
Valves | - |
Pump flow | - |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | 87.17 hp or 65.0 kW |
Fuel consumption | 6.6 gal/hour or 25.0 l/hour |
Pulling power | 9,417 lbs or 4271 kg |
Claimed power | 95 hp or 70.8 kW |
Real power | 94.29 hp or 70.3 kW |
Engine @RPM | 540@2100 (rpm) |
PTO Clutch | - |
Rear PTO | independent |
Rear PTO RPM | 1000 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 6.0 gal/hour or 22.7 l/hour |
Hitch system | - |
Rear hitch | 2 |
Rear hitch lift | - |
Front hitch | - |
Front hitch lift | - |
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Useful links and guides ....
- Allis Chalmers provided us with the latest version of its D21 Series I service repair manual
- Find All mechanical and electrical parts and accessories of Allis Chalmers D21 Series I farm-tractor here
- Get your Farmall 856 manual book version
- Cabine, electrical And mechanical parts for Farmall 856 farm-tractor here