Introduction
Ursus 4512 Agricultural Tractor
The Ursus 4512 is a two-wheel-drive agricultural tractor produced in Warsaw, Poland, between 1988 and 2011. It is designed to serve as a versatile utility machine for general farming operations.
Engine and Performance
The tractor is powered by a 3.9-liter, 4-cylinder liquid-cooled diesel engine, the Ursus 4390. It features direct injection and a compression ratio of 16:1. With a rated speed of 2000 RPM, the engine delivers 66 hp (49.2 kW) and 180.7 lb-ft (245.0 Nm) of torque at 1400 RPM. A glow plug system is included to facilitate cold starting.
Transmission and Drivetrain
The Ursus 4512 offers two main transmission configurations: a standard gear transmission with 8 forward and 2 reverse speeds, or an optional creeper transmission providing 12 forward and 3 reverse gears. Both options utilize a dry disc clutch. Maneuverability is supported by power steering and mechanical wet disc brakes.
Hydraulics and Hitch
Equipped with a Category II rear hitch, the tractor provides both position and draft control, capable of lifting up to 5,291 lbs (2,399 kg). The hydraulic system includes a pump flow rate of 6.9 gpm (26.1 lpm) and a total capacity of 11.6 gallons (43.9 L).
PTO and Dimensions
The rear PTO is a live system offering 540 and 1000 RPM settings. The machine features a wheelbase of 88.8 inches (225 cm) and a total length of 148.6 inches (377 cm). It is fitted with 7.5-16 front tires and 16.9R30 rear tires as standard equipment. An optional cab with an integrated heater is available for operator comfort.
Conclusion
The Ursus 4512 is a robust, mechanically straightforward tractor suited for a variety of field tasks and light-to-medium duty agricultural work, favored for its durability and ease of maintenance.
Production Information of Ursus, 4512
- Built in Warsaw, Poland
| Manufacturer | Ursus |
|---|
Dimension and Tires Information of Ursus, 4512
| Clearance (drawbar) | 12.4 inches [31 cm] |
|---|---|
| Wheelbase | 88.8 inches [225 cm] |
| Height (exhaust) | 103 inches [261 cm] |
| Height (cab) | 99.2 inches [251 cm] |
| Length | 148.6 inches [377 cm] |
| Front tread | 55.1 to 70.9 inches [139 to 180 cm] |
| Clearance (rear axle) | 17.7 inches [44 cm] |
| Width | 76 inches [193 cm] |
| Rear tread | 59.1 to 81.2 inches [150 to 206 cm] |
| Standard tires (ag) | Front: 7.5-16. Rear: 16.9R30 |
|---|
Engine Specifications of Ursus, 4512
- Ursus 4390
- Liquid-cooled
- Diesel
- 4-cylinder
| Starter power | 4 hp [3.0 kW] |
|---|---|
| Starter volts | 12 |
| Fuel system | Direct injection |
| Oil capacity | 7.4 qts [7.0 L] |
| Pre-heating | Glow plugs |
| Compression | 16:1 |
| Air cleaner | Oil bath |
| Displacement | 235.9 ci [3.9 L] |
| Power | 66 hp [49.2 kW] |
| Bore/Stroke | 3.87x5.00 inches [98 x 127 mm] |
| Torque RPM | 1400 |
| Coolant capacity | 14.7 qts [13.9 L] |
| Coolant capacity(optional) | 16.4 qts [15.5 L] |
| Torque | 180.7 lb-ft [245.0 Nm] |
| Rated RPM | 2000 |
Coolant capacity with cab heater.
Transmission Information of Ursus, 4512
Transmission variants 1
| Type | Gear |
|---|---|
| Oil capacity | 46.5 qts [44.0 L] |
| Gears | 8 forward and 2 reverse |
| Clutch | Dry disc |
Transmission variants 2
| Type | Creeper |
|---|---|
| Gears | 12 forward and 3 reverse |
- 8-speed gear
- 12-speed creeper
Mechanical Specs of Ursus, 4512
- Two-wheel drive
- Cab optional with available heater.
- Mechanical wet disc brakes
- Power steering
| Differential lock | Mechanical rear |
|---|
Power Information of Ursus, 4512
| Rear PTO | Live |
|---|---|
| Rear PTO(optional) | 1000@1692 |
| Rear PTO Type | 540/1000 (1.375) |
| Engine RPM | 540@1686 |
Hydraulics Specifications of Ursus, 4512
| Capacity | 11.6 gal [43.9 L] |
|---|---|
| Pump flow | 6.9 gpm [26.1 lpm] |
Three-Point Hitch of Ursus, 4512
| Rear Type | II |
|---|---|
| Control | Position and draft control |
| Rear lift | 5291 lbs [2399 kg] |
Electrical System of Ursus, 4512
| Charging system | Alternator |
|---|---|
| Battery AH | 120 |
| Charging amps | 55 |
| Battery volts | 12 |
Where it sits
With 66 HP, the Ursus 4512 sits between C-362 (60 HP) and 5024 (67 HP) in Ursus's range. Its power puts it in the 48th percentile of 1980s models in our database (2052 machines).
Frequently asked questions
How much horsepower does the Ursus 4512 have?
The Ursus 4512 delivers 66 HP.
What years was the Ursus 4512 produced?
The Ursus 4512 was produced in 1988-2011.
What engine does the Ursus 4512 have?
The Ursus 4512 is powered by a Diesel, 4-cylinder engine.
What transmission does the Ursus 4512 use?
The Ursus 4512 uses a Gear transmission.
Is the Ursus 4512 4WD?
The Ursus 4512 is available in 2WD.