Ursus C-325, C-328, C-330, C-330M, C-335 ⚙️ Specs

Technical Specifications of the Ursus C-330 agricultural tractor:

Ursus C-330 is a Polish agricultural tractor produced from 1967 to 1987 in the Lublin factory. This model is equipped with an S-312-C engine with two cylinders, a displacement of 1960 cm³, and piston dimensions of 102×120 mm. The engine delivers a maximum power of 30 HP at 2200 RPM, generating a torque of 100 Nm at 1600 RPM. The Ursus C-330 gearbox consists of 6 forward gears and 2 reverse gears. The tractor’s top speed is 23.4 km/h, and the power take-off (PTO) speed is 540 RPM. The tractor has a mechanical braking system based on dry discs. The Ursus C-330 features a rear hitch lifting capacity of 700 kg, operated via a mechanical lever. The Ursus C-330 also offers compact dimensions: length 308 cm, width 187 cm, and height with cab 207 cm. The tractor weighs 1495 kg and is equipped with front tires sized 6.00-16 and rear tires sized 12.4-28. The fuel tank capacity is 35 liters. Although the Ursus C-330 has been superseded by more advanced models, its technical parameters, durability, and simplicity make it a significant part of Polish agricultural history. Below are detailed technical data for other models: Ursus C-325, Ursus C-328, Ursus C-330M, and Ursus C-335.

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Technical Data Sheet for Ursus C-330, C-328, C-325, C-330M, C-335 agricultural tractors:

Model Ursus C-325 Ursus C-328 Ursus C-330 Ursus C-330M Ursus C-335
Years of production 59-63 63-67 67-87 86-93 1966-
Engine designation/type S-312 S-312B S-312-C S-312-C S-312-C
Number of cylinders / Turbo / Intercooler 2 2 2 2 2
Engine displacement (cm³) 1800 1960 1960 1960 1960
Piston diameter / Stroke (mm) 98×120 102×120 102×120 102×120 102×120
Maximum engine power (HP) / at RPM 25/2000 28/2000 30/2200 30/2200 35/2200
Torque (Nm) / at RPM 95/1700 98/1700 100/1600 100/1600
Number of gearbox speeds (forward + reverse) 6+2 6+2 6+2 6+2 6+2
Number of synchronized gears (forward + reverse)

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Fast gearbox / Power shift
Reverser type
Speed range (km/h) 1,6-20,2 1,9-23,4 1,9-23,4 2,1-26,3 1,8-23,4
Maximum speed (km/h)
Hydraulic pump capacity (L/min) 18 18 18 20 16
Rear three-point hitch (TUV) control type mech mech mech mech mech
Maximum rear three-point hitch (TUV) lift capacity (kg) 700 700 700 700 700
Power take-off (PTO) speed (RPM) 540 540 540/1000 540/1000 540/1000
Type of disc brake (dry/wet)
Brake system control type mech mech mech mech mech
Turning radius 2WD (m) 6,4 6,4 6,6 6,6 6,6
Turning radius 4WD (m)

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Front tire size 2WD 6,00-16 6,00-16 6,00-16 6,00-16 6,00-16
Front tire size 4WD
Rear tire size 2WD 11,2-28 12,4-28 12,4-28 12,4-28 12,4-28
Rear tire size 4WD
Total weight 2WD (kg) 1460 1460 1495 1675 1495
Total weight 4WD (kg)
Total height with cabin (cm) 150 150 207 203 207
Total length (cm) 303 303 308 308 308
Total width (cm) 184 184 187 196 187
Fuel tank capacity (L) 35 35 35 35 35
Cabin noise level (dB)

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