Ursus
Ursus 2812
The Ursus 2812 is a compact utility tractor produced from 1988 to 2009 by Ursus in Warsaw, Poland. It features a 2.5L 3-cylinder liquid-cooled diesel engine producing 37.6 hp (28.0 kW) with a claimed PTO power of 33.5 hp (25.0 kW). The tractor has an 8-speed transmission with 8 forward and 2 reverse gears, mechanical rear differential lock, two-wheel drive, and mechanical drum brakes. It offers a two-post ROPS with an optional cab. The hydraulic system has a capacity of 8.5 gallons (32.2 L) and operates at 2321 psi (160 bar). The tractor hitch is category II with position and draft control and a rear lift capacity of 2932 lbs (1329 kg). Dimensions include a 76-inch (193 cm) wheelbase, 126.2-inch (320 cm) length, and a weight of 4123 lbs (1870 kg). Electrical system includes a 12-volt alternator and a 90 AH battery.
Power37 hp
Founded1988 - 2009
Model2812
Technical Specifications
Detailed specifications and technical data for Ursus 2812
Power
| Engine | 37.6 hp (28.0 kW) |
|---|---|
| PTO (claimed) | 33.5 hp (25.0 kW) |
Engine
| Type | diesel |
|---|---|
| Model | Ursus 3250 |
| Power | 37.6 hp (28.0 kW) |
| Torque | 106.2 lb-ft (144.0 Nm) |
| Cooling | liquid-cooled |
| Starter | electric |
| Cylinders | 3-cylinder |
| Rated RPM | 2000 |
| Torque RPM | 1400 |
| Air cleaner | oil bath |
| Bore/Stroke | 3.60x5.00 inches (91 x 127 mm) |
| Compression | 16.5:1 |
| Fuel system | direct injection |
| Pre-heating | glow plugs |
| Displacement | 152.7 ci (2.5 L) |
| Oil capacity | 7.2 qts (6.8 L) |
| Starter power | 4 hp (3.0 kW) |
| Starter volts | 12 |
| Coolant capacity | 10.8 qts (10.2 L) |
Capacity
| Fuel | 15.3 gal (57.9 L) |
|---|---|
| Steering | 2.4 qts (2.3 L) |
| Hydraulic system | 8.5 gal (32.2 L) |
Electrical
| Battery AH | 90 |
|---|---|
| Battery volts | 12 |
| Charging volts | 12 |
| Charging system | alternator |
| Cab Charging amps | 55 |
| ROPS Charging amps | 44 |
Hydraulics
| Capacity | 8.5 gal (32.2 L) |
|---|---|
| Pressure | 2321 psi (160.0 bar) |
| Pump flow | 6.1 gpm (23.1 lpm) |
| Steering capacity | 2.4 qts (2.3 L) |
Mechanical
| ROPS | Two-post ROPS. Cab optional. |
|---|---|
| Drive | Two-wheel drive |
| Brakes | Mechanical drum brakes |
| Power steering | Yes |
| Differential lock | mechanical rear |
Production
| Built in | Warsaw, Poland |
|---|---|
| Category | Compact Utility tractor |
| Years produced | 1988 - 2009 |
Transmission
| Gears | 8 forward and 2 reverse |
|---|---|
| Clutch | 305mm dry disc |
| Description | Four gears, plus reverse, in two ranges. |
| Oil capacity | 33.8 qts (32.0 L) |
Tractor hitch
| Control | Position and draft control |
|---|---|
| Rear Type | II |
| Rear lift | 2932 lbs (1329 kg) |
Dimensions & Tires
| Width | 71.7 inches (182 cm) |
|---|---|
| Length | 126.2 inches (320 cm) |
| Weight | 4123 lbs (1870 kg) |
| Wheelbase | 76 inches (193 cm) |
| Rear tread | 48.6 to 75.4 inches (123 to 191 cm) |
| Front tread | 53.2/59.1/70.9 inches (135/150/180 cm) |
| Height (ROPS) | 96.1 inches (244 cm) |
| Ballasted weight | 4542 lbs (2060 kg) |
| Height (exhaust) | 93.7 inches (237 cm) |
| Clearance (drawbar) | 8.5 inches (21 cm) |
| Standard tires (ag) | Front: 6.00-16. Rear: 12.4-28 |
| Clearance (rear axle) | 12.8 inches (32 cm) |
Power Take-off (PTO)
| Rear PTO | live |
|---|---|
| Engine RPM | 540@1893 |
| Rear PTO Type | 540 (1.375) |