New Holland TT55 VS Allis Chalmers HD21 specs comparison

New Holland TT55
General InfosMake | New Holland |
Model | TT55 |
Country | United states |
Production | From 2002 Until 2008 |
Price | - |
Tractor type | Utility tractor |
Fuel | diesel |
Service repair manual | New Holland TT55 Manual |
Dimensions, sizes and tires
AG front tires | 6.00-16.8 |
AG rear tires | 13.6-28 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 4,895 lbs or 2220 kg |
Length | - |
Width | - |
Height | 87 inches [220 cm] |
Wheelbase | 79.1 inches [200 cm] |
Ground clearance | 19.7 inches [50 cm] (2WD) |
Turning radius | - |
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 | 55.1 hp or 41.1 kW |
Engine RPM | 2500 (rpm) |
Torque | 136.1 lb-ft or 184.6 Nm | Torque RPM | 1500 (rpm) |
Fuel type | diesel |
Fuel injection | direct injection |
Fuel tank size | 23.5 gal or 88.9 L |
Oil capacity | - |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | New Holland TT55 Parts |
Batteries number | 1 |
Batteries voltage | 12 V |
Battries Amps | 88 amps |
Cold Amps | - |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 23 amps |
Trans system | - |
Trans type | constant mesh |
Trans gears | 8 forward and 2 reverse |
Clutch system | - |
Wheel drive | 4x2 2WD |
Final drive | spur gear |
Steering | manual |
Braking system | wet disc |
Cabin type | Two-post ROPS |
Differentiel lock | - |
System | open center |
Valves | - |
Pump flow | 8.6 gpm or 32.6 lpm |
SVC flow | - |
Steering flow | 7 gpm or 26.5 lpm |
Tank capacity | - |
Hydraulic pressure | - |
Max flow | 15.6 gpm or 59.0 lpm |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | 47 hp or 35.0 kW |
Real power | - |
Engine @RPM | 540@1967 (rpm) |
PTO Clutch | - |
Rear PTO | independent |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | position and draft control |
Rear hitch | II/I |
Rear hitch lift | 3362 lbs or 1525 kg |
Front hitch | - |
Front hitch lift | - |

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 | - |
Related tractor comparison


Allis Chalmers HD21 J.I. Case 302


Allis Chalmers HD21 International Harvester 350


New Holland TT55 Oliver Super 88


Allis Chalmers HD21 Allis Chalmers HD16A


New Holland TT55 Massey-Harris 444


Allis Chalmers HD21 Allis Chalmers WD45
Choose another tractor
Useful links and guides ....
- New Holland provided us with the latest version of its TT55 service repair manual
- Find All mechanical and electrical parts and accessories of New Holland TT55 farm-tractor here
- Get your Allis Chalmers HD21 manual book version
- Cabine, electrical And mechanical parts for Allis Chalmers HD21 farm-tractor here