Ford TW-15 VS Allis Chalmers HD21 specs comparison

Ford TW-15
General InfosMake | Ford |
Model | TW-15 |
Country | United states |
Production | From 1983 Until 1990 |
Price | 41,000 USD |
Tractor type | Row Crop tractor |
Fuel | diesel |
Service repair manual | Ford TW-15 Manual |
Dimensions, sizes and tires
AG front tires | 11.00-16 (2WD) |
AG rear tires | 20.8-38 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 11355 lbs or 5150 kg |
Length | 163.2 inches [414 cm] |
Width | 83.6 inches [212 cm] |
Height | 116 inches [294 cm] |
Wheelbase | 105 inches [266 cm] |
Ground clearance | 16.4 inches [41 cm] |
Turning radius | - |
Rear tread size | 64 to 110 inches |
Front tread size | 60 to 84 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 401 ci or 6.6 L |
Cylinders | 6 cylinders |
Engine power | 137 hp or 102.2 kW |
Engine RPM | 2200 (rpm) |
Torque | 384 lb-ft or 520.7 Nm | Torque RPM | 1600 (rpm) |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 58 gal or 219.5 L |
Oil capacity | 20 qts or 18.9 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | Ford TW-15 Parts |
Batteries number | - |
Batteries voltage | 12 V |
Battries Amps | 128 amps |
Cold Amps | - |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 72 amps |
Trans system | Dual Power |
Trans type | two-speed power shift |
Trans gears | 24 forward and 6 reverse |
Clutch system | 356mm dry disc |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | power |
Braking system | differential hydraulic wet disc |
Cabin type | Two-post fixed ROPS |
Differentiel lock | hydraulic rear |
System | open center |
Valves | 2 |
Pump flow | 15.3 gpm or 57.9 lpm |
SVC flow | - |
Steering flow | 4.2 gpm or 15.9 lpm |
Tank capacity | 18.25 gal or 69.1 L |
Hydraulic pressure | 2500 psi or 172.4 bar |
Max flow | 27.5 gpm or 104.1 lpm |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | 105.76 hp or 78.9 kW |
Fuel consumption | 7.6 gal/hour or 28.8 l/hour |
Pulling power | 15,939 lbs or 7229 kg |
Claimed power | 120 hp or 89.5 kW |
Real power | 115.58 hp or 86.2 kW |
Engine @RPM | 540@1861 (rpm) |
PTO Clutch | - |
Rear PTO | independent |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 1.0 gal/hour or 3.8 l/hour |
Hitch system | - |
Rear hitch | II/I |
Rear hitch lift | 7150 lbs or 3243 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 | - |
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Useful links and guides ....
- Ford provided us with the latest version of its TW-15 service repair manual
- Find All mechanical and electrical parts and accessories of Ford TW-15 farm-tractor here
- Get your Allis Chalmers HD21 manual book version
- Cabine, electrical And mechanical parts for Allis Chalmers HD21 farm-tractor here