Technical Specifications of the Ursus C-385 agricultural tractor:
Ursus C-385 agricultural tractor was produced from 1975 to 1983. It features a Z 7501 engine with four cylinders. The engine displacement is 4562 cm³, with piston dimensions of 110 mm diameter and 120 mm stroke. The engine delivers a maximum power of 82 HP at 2200 RPM and a torque of 268 Nm at 1130 RPM. The transmission has 16 forward gears and 8 reverse gears, with a hydraulically controlled powershift. This allows for speeds ranging from 1.8 km/h to a maximum of 24.7 km/h, with a top speed of 27.2 km/h. The hydraulic pump capacity is 32 or 36 liters per minute, depending on the version. The rear hitch is mechanically controlled and has a maximum lifting capacity of 2350 kg or 3050 kg, depending on the version. The power take-off (PTO) operates at speeds of 540 or 1000 RPM. The turning radius for the 2WD version is 7.9 meters, and for the 4WD version, it is 11 meters. The front tire size for the 4WD version is 12.4-24, and the rear tire size is 16.9-34 for the 2WD version and 18.4-34 for the 4WD version. The total weight of the 2WD version is 3570 kg, and the 4WD version is 4070 kg. The tractor dimensions are: height with cab 250 cm, length 395 cm, and width 239 cm. The fuel tank capacity is 90 liters. The noise level in the cab is 88 dB or 83.5 dB, depending on the version.
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Technical Data Sheet for Ursus C-385, C-3110, 1201, 1201, 1204 TURBO, 1604 agricultural tractors:
| Model | Ursus C-385 | Ursus C-385 TURBO | Ursus C-3110 | Ursus 1201/1204 | Ursus 1201/1204 TURBO | Ursus 1604 |
| Years of production | 75-83 | 76-83 | 72-75 | 74-83 | 79-83 | 78-84 |
| Engine model / type | Z 7501 | Z 7501 | A4.354 | Z 8601 | Z 8601 | Z 8602 |
| Number of cylinders / turbocharging | 4 | 4T | 6 | 6 | 6T | 6T |
| Engine displacement (cm3) | 4562 | 4562 | 5800 | 6824 | 6824 | 6824 |
| Piston dimension / stroke (mm) | 110×120 | 110×120 | 98,4×127 | 110×120 | 110×120 | 110×120 |
| Maximum engine power (hp) / rpm | 82/2200 | 100/2200 | 100,5/2200 | 120/2200 | 146/2200 | 150/2200 |
| Torque (Nm) / rpm | 268/1130 | 320/1650 | 410/1500 | 530/1650 | 477/1450 | – |
| Number of gears (front + rear) | 16+8 | 16+8 | 16+8 | 16+8 | 16+8 | 12+6 |
| Number of synchronized gears (front+rear) | – | – | – | – | – | – |
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| Speed-Shift | hydr | hydr | hydr | hydr | hydr | hydr |
| Type of reverse | – | – | – | – | – | – |
| Driving speed (km/h) | 1,8-24,7 | 1,8-24,7 | 1,8-25,5 | 1,8-25,5 | 2,2-25,5 | – |
| Max Driving speed (km/h) | 27,2 | 28,4 | 28,4 | – | – | – |
| Hydraulic pump capacity (L/min) | 32/36 | 32/36 | 35 | 36 | 36 | 36 |
| 3-Point Hitch control | mech | mech | mech | mech | mech | mech |
| 3-point hitch max load (kg) | 2350/3050 | 2350/3050 | 3000 | 3050 | 3050 | 4000 |
| PTO speed (rpm) | 540/1000 | 540/1000 | 540/1000 | 540/1000 | 540/1000 | 540/1000 |
| Disc brake type (dry / wet) | – | – | – | – | – | – |
| Type of control of the braking system | – | – | – | – | – | – |
| Turning radius 2WD (m) | 7,9 | 7,9 | 8,7 | 8,7 | – | – |
| Turning radius 4WD (m) | 11 | 12,4 | 12,4 | – | – | – |
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| Front wheel 2WD | 7,50-20 | 11,5-15 | 7,50-20 | 11,5-15 | 11,5-15 | – |
| Front wheel 4WD | 12,4-24 | 14,9-24 | 14,9-24 | 14,9-24 | – | – |
| Rear wheel 2WD | 16,9-34 | 18,4-34 | 18,4-34 | 18,4-34 | 18,4-34 | – |
| Rear wheel 4WD | 18,4-34 | 18,4-34 | 18,4-34 | 18,4-34 | – | – |
| 2WD total weight (kg) | 3570 | 3660 | 3800 | 4080 | 4120 | – |
| 4WD total weight (kg) | 4070 | 4660 | 4700 | 5005 | – | – |
| Total height with cabin (cm) | 250 | 250 | 256 | 251/255 | 251/255 | 255 |
| Total length (cm) | 395 | 395 | 419 | 436 | 436 | 436 |
| Total width (cm) | 239 | 239 | 270 | 270 | 270 | – |
| Fuel tank capacity (l) | 90 | 90 | 90 | 130 | 130 | 200 |
| Cabin sound level (dB) | 88/83,5 | 86,5/79 | 78 | – | – | – |
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