Allis Chalmers D21 Series I VS Ursus 1634 specs comparison
Allis Chalmers D21 Series I
General Infos| Make | Allis Chalmers |
| Model | D21 Series I |
| Country | United states |
| Production | From 1963 Until 1969 |
| Price | - |
| Tractor type | Row Crop tractor |
| Fuel | diesel |
| Service repair manual | Allis Chalmers D21 Series I Manual |
Dimensions, sizes and tires
| AG front tires | 11.00x16 |
| AG rear tires | 24.5x32 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 9500 lbs or 4309 kg |
| Length | 160.6 inches [407 cm] |
| Width | 91.6 inches [232 cm] |
| Height | - |
| Wheelbase | 96.1 inches [244 cm] |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | - |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 426 ci or 7.0 L |
| Cylinders | 6 cylinders |
| Engine power | - |
| Engine RPM | 2200 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | - |
| Fuel tank size | 52 gal or 196.8 L |
| Oil capacity | 12 qts or 11.4 L |
| Oil change | - |
| Starter motor | - |
| Starter volts | - |
| Parts And Accessories | Allis Chalmers D21 Series I Parts |
| Batteries number | 2 |
| Batteries voltage | 12 V |
| Battries Amps | 95 amps |
| Cold Amps | - |
| Ground force | negative |
| Charging system | Delco-Remy generator |
| Charging Volts | - |
| Charging Amps | 32 amps |
| Trans system | Power Director |
| Trans type | sliding gear |
| Trans gears | 8 forward and 2 reverse |
| Clutch system | dry disc |
| Wheel drive | 4x2 2WD |
| Final drive | - |
| Steering | power |
| Braking system | band actuated disc |
| 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 | 93 hp or 69.4 kW |
| Drawbar horsepower | 93.09 hp or 69.4 kW |
| Fuel consumption | 7.1 gal/hour or 26.9 l/hour |
| Pulling power | 14,840 lbs or 6731 kg |
| Claimed power | 103 hp or 76.8 kW |
| Real power | 103.06 hp or 76.9 kW |
| Engine @RPM | - |
| PTO Clutch | - |
| Rear PTO | independent |
| Rear PTO RPM | 1000 (rpm) |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | 7.1 gal/hour or 26.9 l/hour |
| Hitch system | - |
| Rear hitch | III/II |
| Rear hitch lift | - |
| Front hitch | - |
| Front hitch lift | - |
Ursus 1634
General Infos| Make | 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 | - |
Related tractor comparison
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Useful links and guides ....
- Allis Chalmers provided us with the latest version of its D21 Series I service repair manual
- Find All mechanical and electrical parts and accessories of Allis Chalmers D21 Series I farm-tractor here
- Get your Ursus 1634 manual book version
- Cabine, electrical And mechanical parts for Ursus 1634 farm-tractor here
