Allis Chalmers HD21 VS Ford TW-30 specs comparison
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 | - |
Ford TW-30
General Infos| Make | Ford |
| Model | TW-30 |
| Country | United states |
| Production | From 1979 Until 1983 |
| Price | 52,277 USD |
| Tractor type | Row Crop tractor |
| Fuel | diesel |
| Service repair manual | Ford TW-30 Manual |
Dimensions, sizes and tires
| AG front tires | 14Lx16.1 (2WD) |
| AG rear tires | 24.5x32 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 14,600 lbs or 6622 kg |
| Length | 190.9 inches [484 cm] |
| Width | 106.4 inches [270 cm] |
| Height | 116 inches [294 cm] |
| Wheelbase | 110.5 inches [280 cm] |
| Ground clearance | 25.2 inches [64 cm] (2WD) |
| Turning radius | 30 feet [9.1 m] |
| Rear tread size | 60 to 90 inches |
| Front tread size | 60 to 84 inches |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 401 ci or 6.6 L |
| Cylinders | 6 cylinders |
| Engine power | 175 hp or 130.5 kW |
| Engine RPM | 2200 (rpm) |
| Torque | 494 lb-ft or 669.9 Nm | Torque RPM | 1600 (rpm) |
| Fuel type | diesel |
| Fuel injection | - |
| Fuel tank size | 75 gal or 283.9 L |
| Oil capacity | 20 qts or 18.9 L |
| Oil change | - |
| Starter motor | - |
| Starter volts | 12 V |
| Parts And Accessories | Ford TW-30 Parts |
| Batteries number | 1 |
| Batteries voltage | 12 V |
| Battries Amps | 128 amps |
| Cold Amps | - |
| Ground force | - |
| Charging system | alternator |
| Charging Volts | - |
| Charging Amps | 72 amps |
| Trans system | Dual Power |
| Trans type | - |
| Trans gears | 16 forward and 4 reverse |
| Clutch system | 356mm cerametallic disc |
| Wheel drive | 4x2 2WD |
| Final drive | - |
| Steering | hydrostatic power |
| Braking system | differential power assist wet disc |
| Cabin type | Cab optional with available air-conditioning |
| Differentiel lock | - |
| System | 23 |
| Valves | - |
| Pump flow | 20 gpm or 75.7 lpm |
| SVC flow | - |
| Steering flow | 4.2 gpm or 15.9 lpm |
| Tank capacity | - |
| Hydraulic pressure | 2500 psi or 172.4 bar |
| Max flow | - |
| Drawbar type | - |
| Claimed power | 144.2 hp or 107.5 kW |
| Drawbar horsepower | 142.21 hp or 106.0 kW |
| Fuel consumption | 10.4 gal/hour or 39.4 l/hour |
| Pulling power | 16,553 lbs or 7508 kg |
| Claimed power | 163 hp or 121.5 kW |
| Real power | 157.04 hp or 117.1 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 | 9.4 gal/hour or 35.6 l/hour |
| Hitch system | - |
| Rear hitch | III |
| Rear hitch lift | 6,825 lbs or 3095 kg |
| Front hitch | - |
| Front hitch lift | - |
Related tractor comparison
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Ford TW-30 Satoh Beaver S370
Choose another tractor
Useful links and guides ....
- Allis Chalmers provided us with the latest version of its HD21 service repair manual
- Find All mechanical and electrical parts and accessories of Allis Chalmers HD21 farm-tractor here
- Get your Ford TW-30 manual book version
- Cabine, electrical And mechanical parts for Ford TW-30 farm-tractor here
