Allis Chalmers HD21 VS New Holland TN75A specs comparison

Allis Chalmers HD21
General InfosMake | 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 TN75A
General InfosMake | New Holland |
Model | TN75A |
Country | United states |
Production | From 2004 Until 2008 |
Price | - |
Tractor type | Utility tractor |
Fuel | diesel |
Service repair manual | New Holland TN75A Manual |
Dimensions, sizes and tires
AG front tires | - |
AG rear tires | - |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 5,020 lbs or 2277 kg |
Length | 153.3 inches [389 cm] (2WD) |
Width | 67.2 inches [170 cm] |
Height | 95.1 inches [241 cm] |
Wheelbase | 81.5 inches [207 cm] (2WD) |
Ground clearance | - |
Turning radius | 12.5 feet [3.8 m] |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 179 ci or 2.9 L |
Cylinders | 3 cylinders |
Engine power | 72 hp or 53.7 kW |
Engine RPM | 2300 (rpm) |
Torque | 220 lb-ft or 298.3 Nm | Torque RPM | 1400 (rpm) |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 23 gal or 87.1 L |
Oil capacity | - |
Oil change | - |
Starter motor | electric |
Starter volts | 12 V |
Parts And Accessories | New Holland TN75A Parts |
Batteries number | 1 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | 730 |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 65 amps |
Trans system | Synchro Command Plus |
Trans type | partially synchronized with power shuttle |
Trans gears | 16 forward and reverse |
Clutch system | six 113mm wet organic discs |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | hydrostatic power |
Braking system | differential wet disc |
Cabin type | ROPS |
Differentiel lock | - |
System | open center |
Valves | 1 to 4 |
Pump flow | 16.9 gpm or 64.0 lpm |
SVC flow | - |
Steering flow | 7.4 gpm or 28.0 lpm |
Tank capacity | - |
Hydraulic pressure | 2755 psi or 190.0 bar |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | 54.7 hp or 40.8 kW |
Fuel consumption | 3.8 gal/hour or 14.4 l/hour |
Pulling power | 6,135 lbs or 2782 kg |
Claimed power | 62 hp or 46.2 kW |
Real power | 63.6 hp or 47.4 kW |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | independent |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 3.9 gal/hour or 14.8 l/hour |
Hitch system | - |
Rear hitch | II/I |
Rear hitch lift | 3,960 lbs or 1796 kg |
Front hitch | - |
Front hitch lift | - |
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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 TN75A manual book version
- Cabine, electrical And mechanical parts for New Holland TN75A farm-tractor here