Technical Specifications of the Ursus C45 agricultural tractor:
Ursus C-45 agricultural tractor was produced from 1947 to 1954. It features an LB45 engine with a single cylinder. The engine displacement is 10300 cm³, with piston dimensions of 225 mm diameter and 260 mm stroke. The engine delivers a maximum power of 45 HP at 630 RPM. The transmission has 3 forward gears and 1 reverse gear. The tractor can move at speeds ranging from 3.5 km/h to a maximum of 6.2 km/h. The rear hitch is mechanically controlled, and the power take-off (PTO) operates at a speed of 540 RPM. The braking system is mechanically controlled. The turning radius for the 2WD version is 6.4 meters. The front tire size for the 2WD version is 7.00-20, and the rear tire size is 12.75-28. The total weight of the 2WD version is 3840 kg. The tractor dimensions are: height with cab 226 cm or 252 cm, length 343 cm, and width 204 cm. The fuel tank capacity is 100 liters.
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Technical Data Sheet for Ursus C45, C451 agricultural tractors:
| Model | Ursus C-45 | Ursus C-451 |
|---|---|---|
| Years of production | 47-54 | 54-59 |
| Engine designation/type | LB45 | LB45 |
| Number of cylinders / Turbo / Intercooler | 1 | 1 |
| Engine displacement (cm³) | 10300 | 10300 |
| Piston diameter / Stroke (mm) | 225×260 | 225×260 |
| Maximum engine power (HP) / at RPM | 45/630 | 45/630 |
| Torque (Nm) / at RPM | – | – |
| Number of gearbox speeds (forward + reverse) | 3+1 | 6+2 |
| Number of synchronized gears (forward + reverse) | – | – |
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| Fast gearbox / Power shift | – | – |
|---|---|---|
| Reverser type | – | – |
| Speed range (km/h) | 3,5-6,2 | 3,5-16,7 |
| Maximum speed (km/h) | – | – |
| Hydraulic pump capacity (L/min) | – | – |
| Rear three-point hitch (TUV) control type | mech | – |
| Maximum rear three-point hitch (TUV) lift capacity (kg) | – | – |
| Power take-off (PTO) speed (RPM) | 540 | 540 |
| Type of disc brake (dry/wet) | – | – |
| Brake system control type | mech | mech |
| Turning radius 2WD (m) | 6,4 | 6,4 |
| Turning radius 4WD (m) | – | – |
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| Front tire size 2WD | 7,00-20 | 7,00-20 |
|---|---|---|
| Front tire size 4WD | – | – |
| Rear tire size 2WD | 12,75-28 | 12,75-28 |
| Rear tire size 4WD | – | – |
| Total weight 2WD (kg) | 3840 | 4050 |
| Total weight 4WD (kg) | – | – |
| Total height with cabin (cm) | 226/252 | 226/252 |
| Total length (cm) | 343 | 352 |
| Total width (cm) | 204 | 203 |
| Fuel tank capacity (L) | 100 | 100 |
| Cabin noise level (dB) | – | – |
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