Allis Chalmers D12 VS Ursus 4512 specs comparison

Allis Chalmers D12
General InfosMake | Allis Chalmers |
Model | D12 |
Country | United states |
Production | From 1959 Until 1968 |
Price | 3,522 USD |
Tractor type | Row Crop tractor |
Fuel | gasoline |
Service repair manual | Allis Chalmers D12 Manual |
Dimensions, sizes and tires
AG front tires | 5.00x15 |
AG rear tires | 10x24 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 2,800 lbs or 1270 kg |
Length | 121 inches [307 cm] |
Width | - |
Height | - |
Wheelbase | 78.75 inches [200 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | 52 to 79.25 inches |
Front tread size | 49.3 to 80 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 149 ci or 2.4 L |
Cylinders | 4 cylinders |
Engine power | 31 hp or 23.1 kW |
Engine RPM | 1650 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | gasoline |
Fuel injection | - |
Fuel tank size | 12.5 gal or 47.3 L |
Oil capacity | 4 qts or 3.8 L |
Oil change | - |
Starter motor | - |
Starter volts | 6 V |
Parts And Accessories | Allis Chalmers D12 Parts |
Batteries number | 1 |
Batteries voltage | 6 V |
Battries Amps | - |
Cold Amps | - |
Ground force | - |
Charging system | - |
Charging Volts | - |
Charging Amps | - |
Trans system | - |
Trans type | sliding gear |
Trans gears | 4 forward and 1 reverse |
Clutch system | - |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | - |
Braking system | - |
Cabin type | Open operator station |
Differentiel lock | - |
System | live |
Valves | 1 or 2 |
Pump flow | - |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | 25.75 hp or 19.2 kW |
Drawbar horsepower | 29.43 hp or 21.9 kW |
Fuel consumption | 2.8 gal/hour or 10.6 l/hour |
Pulling power | 4,241 lbs or 1923 kg |
Claimed power | 30 hp or 22.4 kW |
Real power | 33.32 hp or 24.8 kW |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | - |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 2.7 gal/hour or 10.2 l/hour |
Hitch system | - |
Rear hitch | I |
Rear hitch lift | - |
Front hitch | - |
Front hitch lift | - |

Ursus 4512
General InfosMake | Ursus |
Model | 4512 |
Country | Poland |
Production | From 1988 Until 2011 |
Price | - |
Tractor type | - |
Fuel | diesel |
Service repair manual | Ursus 4512 Manual |
Dimensions, sizes and tires
AG front tires | 7.5-16 |
AG rear tires | 16.9R30 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 5401 lbs or 2449 kg |
Length | 148.6 inches [377 cm] |
Width | 76 inches [193 cm] |
Height | 99.2 inches [251 cm] |
Wheelbase | 88.8 inches [225 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | 59.1 to 81.2 inches |
Front tread size | 55.1 to 70.9 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 235.9 ci or 3.9 L |
Cylinders | 4 cylinders |
Engine power | 66 hp or 49.2 kW |
Engine RPM | 2000 (rpm) |
Torque | 180.7 lb-ft or 245.0 Nm | Torque RPM | 1400 (rpm) |
Fuel type | diesel |
Fuel injection | direct injection |
Fuel tank size | 21.1 gal or 79.9 L |
Oil capacity | 7.4 qts or 7.0 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | Ursus 4512 Parts |
Batteries number | - |
Batteries voltage | 12 V |
Battries Amps | 120 amps |
Cold Amps | - |
Ground force | - |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 55 amps |
Trans system | - |
Trans type | creeper |
Trans gears | 12 forward and 3 reverse |
Clutch system | dry disc |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | power |
Braking system | mechanical wet disc |
Cabin type | Cab optional with available heater |
Differentiel lock | mechanical rear |
System | - |
Valves | - |
Pump flow | 6.9 gpm or 26.1 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | 11.6 gal or 43.9 L |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | 59 hp or 44.0 kW |
Real power | - |
Engine @RPM | 540@1686 (rpm) |
PTO Clutch | - |
Rear PTO | live |
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 |
Rear hitch lift | 5291 lbs or 2399 kg |
Front hitch | - |
Front hitch lift | - |
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Useful links and guides ....
- Allis Chalmers provided us with the latest version of its D12 service repair manual
- Find All mechanical and electrical parts and accessories of Allis Chalmers D12 farm-tractor here
- Get your Ursus 4512 manual book version
- Cabine, electrical And mechanical parts for Ursus 4512 farm-tractor here