Allis Chalmers HD21 VS New Holland T8.390 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 | - |
New Holland T8.390
General Infos| Make | New Holland |
| Model | T8.390 |
| Country | United states |
| Production | From 2011 Until 2014 |
| Price | - |
| Tractor type | Row Crop tractor |
| Fuel | diesel |
| Service repair manual | New Holland T8.390 Manual |
Dimensions, sizes and tires
| AG front tires | - |
| AG rear tires | - |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 24,480 lbs or 11104 kg |
| Length | - |
| Width | - |
| Height | - |
| Wheelbase | 135.8 inches [344 cm] |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | 60 to 88 inches |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 531 ci or 8.7 L |
| Cylinders | 6 cylinders 24 valves |
| Engine power | 374 hp or 278.9 kW |
| Engine RPM | 2000 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | - |
| Fuel tank size | 168 gal or 635.9 L |
| Oil capacity | - |
| Oil change | - |
| Starter motor | - |
| Starter volts | - |
| Parts And Accessories | New Holland T8.390 Parts |
| Batteries number | 2 |
| Batteries voltage | 12 V |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | negative |
| Charging system | alternator |
| Charging Volts | 12 V |
| Charging Amps | 200 amps |
| Trans system | - |
| Trans type | creeper |
| Trans gears | 23 forward and 6 reverse |
| Clutch system | - |
| Wheel drive | 4x4 MFWD 4WD |
| Final drive | - |
| Steering | power |
| Braking system | hydraulic wet disc |
| Cabin type | Cab standard |
| Differentiel lock | - |
| System | closed center load sensing |
| Valves | 4 to 6 |
| Pump flow | 35 gpm or 132.5 lpm |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | - |
| Hydraulic pressure | - |
| Max flow | 42.5 gpm or 160.9 lpm |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | 259.61 hp or 193.6 kW |
| Fuel consumption | 15.7 gal/hour or 59.4 l/hour |
| Pulling power | 37,986 lbs or 17230 kg |
| Claimed power | 290 hp or 216.3 kW |
| Real power | 332.40 hp or 247.9 kW |
| Engine @RPM | - |
| PTO Clutch | - |
| Rear PTO | independent |
| Rear PTO RPM | 1000 (rpm) |
| Front PTO | optional |
| Front PTO RPM | 1000 (rpm) |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | 16.7 gal/hour or 63.2 l/hour |
| Hitch system | - |
| Rear hitch | 4N/3 |
| Rear hitch lift | 18,900 lbs or 8573 kg |
| Front hitch | optional |
| Front hitch lift | - |
Related tractor comparison
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New Holland T8.390 McCormick Intl X70.50
New Holland T8.390 New Holland T5.105
Allis Chalmers HD21 Mahindra 4025
New Holland T8.390 John Deere 5093E
Allis Chalmers HD21 Massey Ferguson 7140
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 New Holland T8.390 manual book version
- Cabine, electrical And mechanical parts for New Holland T8.390 farm-tractor here
