Allis Chalmers HD21 VS Ursus 1634 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 | - |

Ursus 1634
General InfosMake | Ursus |
Model | 1634 |
Country | Poland |
Production | From 1991 Until 2009 |
Price | - |
Tractor type | - |
Fuel | diesel |
Service repair manual | Ursus 1634 Manual |
Dimensions, sizes and tires
AG front tires | 14.9-24 |
AG rear tires | 18.4-38 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 11442 lbs or 5190 kg |
Length | 177 inches [449 cm] |
Width | 89.3 inches [226 cm] |
Height | 117.4 inches [298 cm] |
Wheelbase | 106.5 inches [270 cm] |
Ground clearance | 19.1 inches [48 cm] |
Turning radius | - |
Rear tread size | 65/67.9/70.9/73.8 inches |
Front tread size | 67.3/71.3 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 416.4 ci or 6.8 L |
Cylinders | 6 cylinders |
Engine power | 152.9 hp or 114.0 kW |
Engine RPM | 2200 (rpm) |
Torque | 417.9 lb-ft or 566.7 Nm | Torque RPM | 1650 (rpm) |
Fuel type | diesel |
Fuel injection | direct injection |
Fuel tank size | 44.9 gal or 169.9 L |
Oil capacity | 20.1 qts or 19.0 L |
Oil change | - |
Starter motor | electric |
Starter volts | 24 V |
Parts And Accessories | Ursus 1634 Parts |
Batteries number | 2 |
Batteries voltage | 12 V |
Battries Amps | 135 amps |
Cold Amps | - |
Ground force | - |
Charging system | alternator |
Charging Volts | 12 V |
Charging Amps | 55 amps |
Trans system | - |
Trans type | two-speed power shift |
Trans gears | 12 forward and 6 reverse |
Clutch system | 380mm hydraulic dry disc |
Wheel drive | 4x4 MFWD 4WD |
Final drive | - |
Steering | power |
Braking system | dry disc |
Cabin type | Cab standard with heat |
Differentiel lock | mechanical rear |
System | - |
Valves | - |
Pump flow | 10.8 gpm or 40.9 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | 12.15 gal or 46.0 L |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | 138.1 hp or 103.0 kW |
Real power | - |
Engine @RPM | 540@1890 (rpm) |
PTO Clutch | hydraulic |
Rear PTO | independent |
Rear PTO RPM | 540 (rpm) |
Front PTO | 1000 |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | position and draft control |
Rear hitch | II |
Rear hitch lift | 12125 lbs or 5499 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 Ursus 1634 manual book version
- Cabine, electrical And mechanical parts for Ursus 1634 farm-tractor here