Ursus

Ursus 5312

The Ursus 5312 is a utility tractor produced from 1993 to 2009 by Ursus in Warsaw, Poland. It features a 3.9L 4-cylinder diesel engine producing 70 hp, with multiple transmission options including 8-speed, 12-speed, and 16-speed two-speed power shift. The tractor offers two-wheel drive with mechanical rear differential lock, power steering, and mechanical wet disc brakes. It has a rear PTO with live engagement and 540/1000 rpm options. The tractor's hydraulic system has a capacity of 11.1 gallons and operates at 2321 psi. Dimensions include a wheelbase of 87.4 inches and standard agricultural tires sized 7.50-16 front and 16.9-34 rear. Weight ranges from 5842 lbs (ROPS) to 8124 lbs (ballasted).
Power70 hp
Founded1993 - 2009
Model5312

Technical Specifications

Detailed specifications and technical data for Ursus 5312

Power
Engine power70 hp (52.2 kW)
PTO (claimed)60.4 hp (45.0 kW)
Engine
Typediesel
ModelUrsus 4390
Power70 hp (52.2 kW)
Torque192.5 lb-ft (261.0 Nm)
Coolingliquid-cooled
Starterelectric
Cylinders4-cylinder
Rated RPM2200
Torque RPM1400
Air cleaneroil bath
Bore/Stroke3.87x5.00 inches (98 x 127 mm)
Fuel systemdirect injection
Pre-heatingglow plugs
Displacement235.9 ci (3.9 L)
Oil capacity7.4 qts (7.0 L)
Starter power4 hp (3.0 kW)
Starter volts12
Coolant capacity15.9 qts (15.0 L)
Compression ratio16:1
Coolant capacity with cab heater17.5 qts (16.6 L)
Weight
Cab7011 lbs (3180 kg)
ROPS5842 lbs (2649 kg)
Ballasted8124 lbs (3685 kg)
Capacity
Fuel21.1 gal (79.9 L)
Steering1.3 qts (1.2 L)
Hydraulic system11.1 gal (42.0 L)
Variants
53122WD
53144WD
Electrical
Battery AH120
Battery volts12
Charging volts12
Charging systemalternator
Cab Charging amps55
ROPS Charging amps44
Hydraulics
Capacity11.1 gal (42.0 L)
Pressure2321 psi (160.0 bar)
Pump flow6.9 gpm (26.1 lpm)
Steering capacity1.3 qts (1.2 L)
Mechanical
ROPSTwo-post ROPS. Cab optional with available heater.
DriveTwo-wheel drive
BrakesMechanical wet disc brakes
Power steeringYes
Differential lockmechanical rear
Production
TypeUtility tractor
Built inWarsaw, Poland
Years produced1993 - 2009
Transmission
Clutch305mm dry disc
8-speed8 forward and 2 reverse gears
Options8-speed, 16-speed two-speed power shift, 12-speed
12-speed12 forward and 4 reverse gears
DescriptionFour gears, plus reverse, in two ranges; two-speed power shift available
Oil capacity44.4 qts (42.0 L)
16-speed two-speed power shift16 forward and 8 reverse gears
Tractor hitch
ControlPosition and draft control
Rear TypeII
Rear lift4850 lbs (2199 kg)
Rear lift with optional lift ram5732 lbs (2600 kg)
Dimensions & Tires
Width79.1 inches (200 cm)
Length148.4 inches (376 cm)
Wheelbase87.4 inches (221 cm)
Rear tread59.1 to 87.4 inches (150 to 221 cm)
Front tread55.1/59.1/63/66.9/70.9 inches (139/150/160/169/180 cm)
Height (cab)100 inches (254 cm)
Height (exhaust)103.5 inches (262 cm)
Clearance (drawbar)13.4 inches (34 cm)
Standard tires (ag)Front: 7.50-16. Rear: 16.9-34
Clearance (rear axle)18.1 inches (45 cm)
Power Take-off (PTO)
Rear PTOlive
Engine RPM540@1993, 1000@2000
Rear PTO Type540/1000 (1.375)