Introduction
Ursus 2812 Compact Utility Tractor
The Ursus 2812 is a compact utility tractor produced in Warsaw, Poland, between 1988 and 2009. Designed for general agricultural tasks, this two-wheel-drive machine serves as a versatile and durable utility vehicle for various farming operations.
Engine and Performance
The tractor is powered by an Ursus 3-cylinder liquid-cooled diesel engine with a displacement of 2.5 liters (152.7 ci). It features direct injection and a compression ratio of 16.5:1. The engine provides 37.6 hp (28.0 kW) at a rated speed of 2000 RPM and generates a maximum torque of 106.2 lb-ft (144.0 Nm) at 1400 RPM. Starting is assisted by glow plugs and a 12-volt electric starter motor.
Transmission and Drivetrain
The transmission system consists of eight forward gears and two reverse gears, utilizing a 305mm dry disc clutch. This configuration allows for flexible speed selection during field work. The tractor is equipped with a mechanical rear differential lock and power steering to enhance maneuverability and traction control in various terrain conditions.
Hydraulics and Hitch
The hydraulic system features a pump flow of 6.1 gpm (23.1 lpm) at a system pressure of 2321 psi (160.0 bar). The rear hitch is a Category II type, equipped with both position and draft control, capable of lifting up to 2932 lbs (1329 kg). The rear power take-off (PTO) operates at 540 RPM at an engine speed of 1893 RPM.
Dimensions and Weight
The tractor features a wheelbase of 76 inches (193 cm) and a total width of 71.7 inches (182 cm). The base weight is 4123 lbs (1870 kg), which can be increased to 4542 lbs (2060 kg) when ballasted. Standard agricultural tire configurations include 6.00-16 front tires and 12.4-28 rear tires.
Conclusion
The Ursus 2812 is a robust, straightforward utility tractor designed for reliability in small to medium-scale agricultural environments. Its combination of a standard Category II hitch, consistent hydraulic flow, and mechanical simplicity makes it a practical choice for farmers prioritizing durability and ease of maintenance.
Production Information of Ursus, 2812
- Compact Utility tractor
- Built in Warsaw, Poland
| Manufacturer | Ursus |
|---|
Dimension and Tires Information of Ursus, 2812
| Rear tread | 48.6 to 75.4 inches [123 to 191 cm] |
|---|---|
| Wheelbase | 76 inches [193 cm] |
| Height (exhaust) | 93.7 inches [237 cm] |
| Height (ROPS) | 96.1 inches [244 cm] |
| Length | 126.2 inches [320 cm] |
| Clearance (rear axle) | 12.8 inches [32 cm] |
| Weight | 4123 lbs [1870 kg] |
| Width | 71.7 inches [182 cm] |
| Front tread | 53.2/59.1/70.9 inches [135/150/180 cm] |
| Clearance (drawbar) | 8.5 inches [21 cm] |
| Ballasted weight | 4542 lbs [2060 kg] |
| Standard tires (ag) | Front: 6.00-16. Rear: 12.4-28 |
|---|
Engine Specifications of Ursus, 2812
- Ursus 3250
- Liquid-cooled
- Diesel
- 3-cylinder
| Starter volts | 12 |
|---|---|
| Starter | Electric |
| Fuel system | Direct injection |
| Starter power | 4 hp [3.0 kW] |
| Pre-heating | Glow plugs |
| Compression | 16.5:1 |
| Air cleaner | Oil bath |
| Displacement | 152.7 ci [2.5 L] |
| Power | 37.6 hp [28.0 kW] |
| Bore/Stroke | 3.60x5.00 inches [91 x 127 mm] |
| Torque RPM | 1400 |
| Oil capacity | 7.2 qts [6.8 L] |
| Coolant capacity | 10.8 qts [10.2 L] |
| Torque | 106.2 lb-ft [144.0 Nm] |
| Rated RPM | 2000 |
Transmission Information of Ursus, 2812
Transmission variants 1
- Four gears, plus reverse, in two ranges.
| Gears | 8 forward and 2 reverse |
|---|---|
| Clutch | 305mm dry disc |
| Oil capacity | 33.8 qts [32.0 L] |
Mechanical Specs of Ursus, 2812
- Two-wheel drive
- Two-post ROPS. Cab optional.
- Mechanical drum brakes
- Power steering
| Differential lock | Mechanical rear |
|---|
Power Information of Ursus, 2812
| Rear PTO | Live |
|---|---|
| Rear PTO Type | 540 (1.375) |
| Engine RPM | 540@1893 |
Hydraulics Specifications of Ursus, 2812
| Capacity | 8.5 gal [32.2 L] |
|---|---|
| Steering cap. | 2.4 qts [2.3 L] |
| Pressure | 2321 psi [160.0 bar] |
| Pump flow | 6.1 gpm [23.1 lpm] |
Three-Point Hitch of Ursus, 2812
| Rear Type | II |
|---|---|
| Control | Position and draft control |
| Rear lift | 2932 lbs [1329 kg] |
Electrical System of Ursus, 2812
| Charging system | Alternator |
|---|---|
| Battery volts | 12 |
| Charging volts | 12 |
| ROPS Charging amps | 44 |
| Battery AH | 90 |
| Cab Charging amps | 55 |
Where it sits
With 37 HP, the Ursus 2812 sits between C-335 (35 HP) and 3502 (46 HP) in Ursus's range. Its power puts it in the 26th percentile of 1980s models in our database (2052 machines).
Frequently asked questions
How much horsepower does the Ursus 2812 have?
The Ursus 2812 delivers 37 HP.
What years was the Ursus 2812 produced?
The Ursus 2812 was produced in 1988-2009.
What engine does the Ursus 2812 have?
The Ursus 2812 is powered by a Diesel, 3-cylinder engine.
How much does the Ursus 2812 weigh?
The Ursus 2812 weighs 4123 lbs [1870 kg].
Is the Ursus 2812 4WD?
The Ursus 2812 is available in 2WD.