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Ursus 5312

Ursus 5312 tractor
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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).
Ursus 5312Ursus tractorutility tractor70 hp tractor3.9L diesel enginetractor specifications
Power70 hp
Founded1993 - 2009
Model5312

Technical Specifications

Detailed specifications and technical data for Ursus 5312

Power

Engine power:70 hp (52.2 kW)
PTO (claimed):60.4 hp (45.0 kW)

Engine

Type:diesel
Model:Ursus 4390
Power:70 hp (52.2 kW)
Torque:192.5 lb-ft (261.0 Nm)
Cooling:liquid-cooled
Starter:electric
Cylinders:4-cylinder
Rated RPM:2200
Torque RPM:1400
Air cleaner:oil bath
Bore/Stroke:3.87x5.00 inches (98 x 127 mm)
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:15.9 qts (15.0 L)
Compression ratio:16:1
Coolant capacity with cab heater:17.5 qts (16.6 L)

Weight

Cab:7011 lbs (3180 kg)
ROPS:5842 lbs (2649 kg)
Ballasted:8124 lbs (3685 kg)

Capacity

Fuel:21.1 gal (79.9 L)
Steering:1.3 qts (1.2 L)
Hydraulic system:11.1 gal (42.0 L)

Variants

5312:2WD
5314:4WD

Electrical

Battery AH:120
Battery volts:12
Charging volts:12
Charging system:alternator
Cab Charging amps:55
ROPS Charging amps:44

Hydraulics

Capacity:11.1 gal (42.0 L)
Pressure:2321 psi (160.0 bar)
Pump flow:6.9 gpm (26.1 lpm)
Steering capacity:1.3 qts (1.2 L)

Mechanical

ROPS:Two-post ROPS. Cab optional with available heater.
Drive:Two-wheel drive
Brakes:Mechanical wet disc brakes
Power steering:Yes
Differential lock:mechanical rear

Production

Type:Utility tractor
Built in:Warsaw, Poland
Years produced:1993 - 2009

Transmission

Clutch:305mm dry disc
8-speed:8 forward and 2 reverse gears
Options:8-speed, 16-speed two-speed power shift, 12-speed
12-speed:12 forward and 4 reverse gears
Description:Four gears, plus reverse, in two ranges; two-speed power shift available
Oil capacity:44.4 qts (42.0 L)
16-speed two-speed power shift:16 forward and 8 reverse gears

Tractor hitch

Control:Position and draft control
Rear Type:II
Rear lift:4850 lbs (2199 kg)
Rear lift with optional lift ram:5732 lbs (2600 kg)

Dimensions & Tires

Width:79.1 inches (200 cm)
Length:148.4 inches (376 cm)
Wheelbase:87.4 inches (221 cm)
Rear tread:59.1 to 87.4 inches (150 to 221 cm)
Front tread:55.1/59.1/63/66.9/70.9 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 PTO:live
Engine RPM:540@1993, 1000@2000
Rear PTO Type:540/1000 (1.375)