Ursus
Ursus 4512
The Ursus 4512 is a farm tractor produced by Ursus in Warsaw, Poland from 1988 to 2011. It features a 66 hp Ursus 4390 3.9L 4-cylinder liquid-cooled diesel engine with direct injection and glow plug pre-heating. The tractor offers an 8-speed gear transmission with an optional 12-speed creeper, mechanical rear differential lock, power steering, and mechanical wet disc brakes. It has a fuel capacity of 21.1 gallons and a hydraulic system capacity of 11.6 gallons with a 6.9 gpm pump flow. The rear hitch is category II with position and draft control and a rear lift capacity of 5291 lbs. The PTO is live with 540/1000 RPM options. Dimensions include a wheelbase of 88.8 inches, length of 148.6 inches, and height up to 103 inches. The tractor weighs between 5401 and 6568 pounds depending on configuration. Standard tires are 7.5-16 front and 16.9R30 rear. Electrical system includes a 12-volt battery and 55 amp alternator. The cab is optional with available heater.
Power66 hp
Founded1988 - 2011
Model4512
Technical Specifications
Detailed specifications and technical data for Ursus 4512
Power
| Engine | 66 hp (49.2 kW) |
|---|---|
| PTO (claimed) | 59 hp (44.0 kW) |
Engine
| Type | diesel |
|---|---|
| Model | Ursus 4390 |
| Power | 66 hp (49.2 kW) |
| Torque | 180.7 lb-ft (245.0 Nm) |
| Cooling | liquid-cooled |
| Cylinders | 4-cylinder |
| Rated RPM | 2000 |
| Torque RPM | 1400 |
| Air cleaner | oil bath |
| Bore/Stroke | 3.87x5.00 inches (98 x 127 mm) |
| Compression | 16:1 |
| Fuel system | direct injection |
| Pre-heating | glow plugs |
| Displacement | 235.9 ci (3.9 L) |
| Oil capacity | 7.4 qts (7.0 L) |
| Starter power | 4 hp (3.0 kW) |
| Starter volts | 12 |
| Coolant capacity | 14.7 qts (13.9 L) |
| Coolant capacity with cab heater | 16.4 qts (15.5 L) |
Weight
| Cab | 6568 lbs (2979 kg) |
|---|---|
| ROPS | 5401 lbs (2449 kg) |
| Cab Ballasted | 7430 lbs (3370 kg) |
| ROPS Ballasted | 5556 lbs (2520 kg) |
Capacity
| Fuel | 21.1 gal (79.9 L) |
|---|---|
| Hydraulic system | 11.6 gal (43.9 L) |
Variants
| 4512 | 2WD |
|---|---|
| 4514 | 4WD |
Electrical
| Battery AH | 120 |
|---|---|
| Battery volts | 12 |
| Charging amps | 55 |
| Charging system | alternator |
Hydraulics
| Capacity | 11.6 gal (43.9 L) |
|---|---|
| Pump flow | 6.9 gpm (26.1 lpm) |
Mechanical
| Cab | optional with available heater |
|---|---|
| Drive | Two-wheel drive |
| Brakes | Mechanical wet disc brakes |
| Power steering | yes |
| Differential lock | mechanical rear |
Production
| Built in | Warsaw, Poland |
|---|---|
| Manufacturer | Ursus |
| Production years | 1988 - 2011 |
Transmission
| Type | gear |
|---|---|
| Gears | 8 forward and 2 reverse |
| Clutch | dry disc |
| Creeper type | creeper |
| Oil capacity | 46.5 qts (44.0 L) |
| Creeper gears | 12 forward and 3 reverse |
Tractor hitch
| Control | position and draft control |
|---|---|
| Rear Type | II |
| Rear lift | 5291 lbs (2399 kg) |
Dimensions & Tires
| Width | 76 inches (193 cm) |
|---|---|
| Length | 148.6 inches (377 cm) |
| Wheelbase | 88.8 inches (225 cm) |
| Rear tread | 59.1 to 81.2 inches (150 to 206 cm) |
| Front tread | 55.1 to 70.9 inches (139 to 180 cm) |
| Height (cab) | 99.2 inches (251 cm) |
| Height (exhaust) | 103 inches (261 cm) |
| Clearance (drawbar) | 12.4 inches (31 cm) |
| Standard tires (ag) | Front: 7.5-16. Rear: 16.9R30 |
| Clearance (rear axle) | 17.7 inches (44 cm) |
Power Take-off (PTO)
| Rear PTO | live |
|---|---|
| Engine RPM | 540@1686, 1000@1692 |
| Rear PTO Type | 540/1000 (1.375) |