Allis Chalmers D21 Series I VS New Holland T7.250 specs comparison
Allis Chalmers D21 Series I
General Infos| Make | 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 | - |
New Holland T7.250
General Infos| Make | New Holland |
| Model | T7.250 |
| Country | United states |
| Production | From 2011 Until 2013 |
| Price | - |
| Tractor type | Row Crop tractor |
| Fuel | diesel |
| Service repair manual | New Holland T7.250 Manual |
Dimensions, sizes and tires
| AG front tires | - |
| AG rear tires | 20.8R42 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 15322 lbs or 6950 kg |
| Length | 227.3 inches [577 cm] |
| Width | 97.2 inches [246 cm] (min) |
| Height | 119.7 inches [304 cm] |
| Wheelbase | 113.5 inches [288 cm] |
| Ground clearance | 18.6 inches [47 cm] |
| Turning radius | - |
| Rear tread size | - |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 411 ci or 6.7 L |
| Cylinders | 6 cylinders 24 valves |
| Engine power | 250 hp or 186.4 kW |
| Engine RPM | 2200 (rpm) |
| Torque | 684 lb-ft or 927.5 Nm | Torque RPM | 1500 (rpm) |
| Fuel type | diesel |
| Fuel injection | high pressure common rail |
| Fuel tank size | 104 gal or 393.6 L |
| Oil capacity | - |
| Oil change | - |
| Starter motor | electric |
| Starter volts | 12 V |
| Parts And Accessories | New Holland T7.250 Parts |
| Batteries number | - |
| Batteries voltage | 12 V |
| Battries Amps | 176 amps |
| Cold Amps | 1300 |
| Ground force | negative |
| Charging system | alternator |
| Charging Volts | - |
| Charging Amps | 150 amps |
| Trans system | AutoCommand |
| Trans type | continuously-variable transmission (CVT) |
| Trans gears | infinite forward and reverse |
| Clutch system | electro-hydraulic wet disc |
| Wheel drive | 4x4 MFWD 4WD |
| Final drive | - |
| Steering | hydrostatic power |
| Braking system | hydraulic wet disc |
| Cabin type | Horizon cab standard with air-conditioning |
| Differentiel lock | - |
| System | closed center load sensing |
| Valves | 3 to 5 |
| Pump flow | 32 gpm or 121.1 lpm |
| SVC flow | - |
| Steering flow | 17 gpm or 64.3 lpm |
| Tank capacity | - |
| Hydraulic pressure | - |
| Max flow | - |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | 155.2 hp or 115.7 kW |
| Fuel consumption | 10.0 gal/hour or 37.9 l/hour |
| Pulling power | 16045 lbs or 7278 kg |
| Claimed power | 165 hp or 123.0 kW |
| Real power | 198.5 hp or 148.0 kW |
| Engine @RPM | - |
| PTO Clutch | - |
| Rear PTO | independent |
| Rear PTO RPM | 540 (rpm) |
| Front PTO | independent (optional) |
| Front PTO RPM | 1000 (rpm) |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | 10.4 gal/hour or 39.4 l/hour |
| Hitch system | electronic draft control |
| Rear hitch | III/II |
| Rear hitch lift | 12787 lbs or 5800 kg |
| Front hitch | optional |
| Front hitch lift | 8344 lbs or 3784 kg |
Related tractor comparison
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Allis Chalmers D21 Series I New Holland T8.330
Choose another tractor
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 New Holland T7.250 manual book version
- Cabine, electrical And mechanical parts for New Holland T7.250 farm-tractor here
