Allis Chalmers D21 Series I VS New Holland T8.420 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 T8.420
General Infos| Make | New Holland |
| Model | T8.420 |
| Country | United states |
| Production | From 2013 Until 2014 |
| Price | - |
| Tractor type | Row Crop tractor |
| Fuel | diesel |
| Service repair manual | New Holland T8.420 Manual |
Dimensions, sizes and tires
| AG front tires | 420/85R34L480/80R50 |
| AG rear tires | - |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 30165 lbs or 13682 kg |
| Length | 255 inches [647 cm] |
| Width | - |
| Height | - |
| Wheelbase | 139.8 inches [355 cm] |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | - |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 531 ci or 8.7 L |
| Cylinders | 6 cylinders |
| Engine power | 367 hp or 273.7 kW |
| Engine RPM | 2000 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | electronic high-pressure common rail |
| Fuel tank size | 152 gal or 575.3 L |
| Oil capacity | - |
| Oil change | - |
| Starter motor | electric |
| Starter volts | 12 V |
| Parts And Accessories | New Holland T8.420 Parts |
| Batteries number | - |
| Batteries voltage | 12 V |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | negative |
| Charging system | alternator |
| Charging Volts | - |
| Charging Amps | 200 amps |
| Trans system | Auto Command CVT |
| Trans type | continuously variable transmission |
| Trans gears | infinite (4-range) forward and reverse |
| Clutch system | - |
| Wheel drive | 4x4 MFWD 4WD |
| Final drive | inboard planetary |
| Steering | power |
| Braking system | - |
| Cabin type | Cab standard with air-conditioning |
| Differentiel lock | - |
| System | closed center pressure flow compensating |
| Valves | 4 to 6 |
| Pump flow | 44 gpm or 166.5 lpm |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | - |
| Hydraulic pressure | - |
| Max flow | - |
| Drawbar type | Cat |
| Claimed power | - |
| Drawbar horsepower | 255.76 hp or 190.7 kW |
| Fuel consumption | 16.5 gal/hour or 62.5 l/hour |
| Pulling power | 28484 lbs or 12920 kg |
| Claimed power | 305 hp or 227.4 kW |
| Real power | 351.44 hp or 262.1 kW |
| Engine @RPM | 1000@1778 (rpm) |
| PTO Clutch | - |
| Rear PTO | independent |
| Rear PTO RPM | 1000 (rpm) |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | 18.4 gal/hour or 69.6 l/hour |
| Hitch system | electronic lower-link draft sensing |
| Rear hitch | IVN/III |
| Rear hitch lift | 17500 lbs or 7938 kg |
| Front hitch | optional |
| Front hitch lift | 12800 lbs or 5806 kg |
Related tractor comparison
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New Holland T8.420 New Holland T7.210
Allis Chalmers D21 Series I Challenger MT655E
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 T8.420 manual book version
- Cabine, electrical And mechanical parts for New Holland T8.420 farm-tractor here
