Ford 8N VS Allis Chalmers HD21 specs comparison
Ford 8N
General Infos| Make | Ford |
| Model | 8N |
| Country | United states |
| Production | From 1947 Until 1952 |
| Price | - |
| Tractor type | Utility tractor |
| Fuel | gasoline |
| Service repair manual | Ford 8N Manual |
Dimensions, sizes and tires
| AG front tires | 4.00-19 |
| AG rear tires | 10-28 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 2,410 lbs or 1093 kg |
| Length | 115 inches [292 cm] |
| Width | 64.75 inches [164 cm] |
| Height | 54.5 inches [138 cm] |
| Wheelbase | 70 inches [177 cm] |
| Ground clearance | 13 inches [33 cm] |
| Turning radius | 8 feet [2.4 m] |
| Rear tread size | 48/52/56/60/64/68/72/76 inches |
| Front tread size | 48/52/56/60/64/68/72/76 inches |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 119.7 ci or 2.0 L |
| Cylinders | 4 cylinders |
| Engine power | - |
| Engine RPM | 2000 (rpm) |
| Torque | 92 lb-ft or 124.8 Nm | Torque RPM | 1500 (rpm) |
| Fuel type | gasoline |
| Fuel injection | - |
| Fuel tank size | 10 gal or 37.9 L |
| Oil capacity | 6 qts or 5.7 L |
| Oil change | - |
| Starter motor | - |
| Starter volts | 6 V |
| Parts And Accessories | Ford 8N Parts |
| Batteries number | 1 |
| Batteries voltage | 6 V |
| Battries Amps | 80 amps |
| Cold Amps | - |
| Ground force | positive |
| Charging system | generator |
| Charging Volts | - |
| Charging Amps | 20 amps |
| Trans system | Sherman Combination Transmission |
| Trans type | - |
| Trans gears | 12 forward and 3 reverse |
| Clutch system | - |
| Wheel drive | 4x2 2WD |
| Final drive | - |
| Steering | mechanical |
| Braking system | manual drum |
| Cabin type | Open operator station |
| Differentiel lock | - |
| System | - |
| Valves | - |
| Pump flow | 2.85 gpm or 10.8 lpm |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | 5 gal or 18.9 L |
| Hydraulic pressure | 1700 psi or 117.2 bar |
| Max flow | - |
| Drawbar type | - |
| Claimed power | 23.16 hp or 17.3 kW |
| Drawbar horsepower | 18.79 hp or 14.0 kW |
| Fuel consumption | - |
| Pulling power | 2,355 lbs or 1068 kg |
| Claimed power | 27.32 hp or 20.4 kW |
| Real power | 23.24 hp or 17.3 kW |
| Engine @RPM | - |
| PTO Clutch | - |
| Rear PTO | transmission |
| Rear PTO RPM | 545 (rpm) |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | 2.1 gal/hour or 7.9 l/hour |
| Hitch system | - |
| Rear hitch | I |
| Rear hitch lift | 800 lbs or 362 kg |
| Front hitch | - |
| Front hitch lift | - |
Allis Chalmers HD21
General Infos| Make | Allis Chalmers |
| Model | HD21 |
| Country | United states |
| Production | From 1954 Until 1965 |
| Price | - |
| Tractor type | Agricultural Crawler tractor |
| Fuel | diesel |
| Service repair manual | Allis Chalmers HD21 Manual |
Dimensions, sizes and tires
| AG front tires | tracks |
| AG rear tires | tracks |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 45500 lbs or 20638 kg |
| Length | 198 inches [502 cm] |
| Width | - |
| Height | 99 inches [251 cm] |
| Wheelbase | - |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | - |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 844 ci or 13.8 L |
| Cylinders | 6 cylinders |
| Engine power | 225 hp or 167.8 kW |
| Engine RPM | 1800 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | - |
| Fuel tank size | 135 gal or 511.0 L |
| Oil capacity | - |
| Oil change | - |
| Starter motor | - |
| Starter volts | 24 V |
| Parts And Accessories | Allis Chalmers HD21 Parts |
| Batteries number | 2 |
| Batteries voltage | 12 V |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | - |
| Charging system | - |
| Charging Volts | - |
| Charging Amps | - |
| Trans system | - |
| Trans type | torque converter |
| Trans gears | 2 forward and 1 reverse |
| Clutch system | - |
| Wheel drive | crawler |
| Final drive | - |
| Steering | - |
| Braking system | contracting band |
| 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 | 135.12 hp or 100.8 kW |
| Fuel consumption | - |
| Pulling power | 40563 lbs or 18399 kg |
| 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 ....
- Ford provided us with the latest version of its 8N service repair manual
- Find All mechanical and electrical parts and accessories of Ford 8N farm-tractor here
- Get your Allis Chalmers HD21 manual book version
- Cabine, electrical And mechanical parts for Allis Chalmers HD21 farm-tractor here