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Ursus 4512

Ursus 4512 tractor
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The Ursus 4512 is a farm tractor produced by Ursus in Warsaw, Poland from 1988 to 2011. It features a 66 hp Ursus 4390 3.9L 4-cylinder liquid-cooled diesel engine with direct injection and glow plug pre-heating. The tractor offers an 8-speed gear transmission with an optional 12-speed creeper, mechanical rear differential lock, power steering, and mechanical wet disc brakes. It has a fuel capacity of 21.1 gallons and a hydraulic system capacity of 11.6 gallons with a 6.9 gpm pump flow. The rear hitch is category II with position and draft control and a rear lift capacity of 5291 lbs. The PTO is live with 540/1000 RPM options. Dimensions include a wheelbase of 88.8 inches, length of 148.6 inches, and height up to 103 inches. The tractor weighs between 5401 and 6568 pounds depending on configuration. Standard tires are 7.5-16 front and 16.9R30 rear. Electrical system includes a 12-volt battery and 55 amp alternator. The cab is optional with available heater.
Ursus 4512tractorspecificationsenginetransmissiondimensionsfarm tractorUrsus
Power66 hp
Founded1988 - 2011
Model4512

Technical Specifications

Detailed specifications and technical data for Ursus 4512

Power

Engine:66 hp (49.2 kW)
PTO (claimed):59 hp (44.0 kW)

Engine

Type:diesel
Model:Ursus 4390
Power:66 hp (49.2 kW)
Torque:180.7 lb-ft (245.0 Nm)
Cooling:liquid-cooled
Cylinders:4-cylinder
Rated RPM:2000
Torque RPM:1400
Air cleaner:oil bath
Bore/Stroke:3.87x5.00 inches (98 x 127 mm)
Compression:16:1
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:14.7 qts (13.9 L)
Coolant capacity with cab heater:16.4 qts (15.5 L)

Weight

Cab:6568 lbs (2979 kg)
ROPS:5401 lbs (2449 kg)
Cab Ballasted:7430 lbs (3370 kg)
ROPS Ballasted:5556 lbs (2520 kg)

Capacity

Fuel:21.1 gal (79.9 L)
Hydraulic system:11.6 gal (43.9 L)

Variants

4512:2WD
4514:4WD

Electrical

Battery AH:120
Battery volts:12
Charging amps:55
Charging system:alternator

Hydraulics

Capacity:11.6 gal (43.9 L)
Pump flow:6.9 gpm (26.1 lpm)

Mechanical

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

Production

Built in:Warsaw, Poland
Manufacturer:Ursus
Production years:1988 - 2011

Transmission

Type:gear
Gears:8 forward and 2 reverse
Clutch:dry disc
Creeper type:creeper
Oil capacity:46.5 qts (44.0 L)
Creeper gears:12 forward and 3 reverse

Tractor hitch

Control:position and draft control
Rear Type:II
Rear lift:5291 lbs (2399 kg)

Dimensions & Tires

Width:76 inches (193 cm)
Length:148.6 inches (377 cm)
Wheelbase:88.8 inches (225 cm)
Rear tread:59.1 to 81.2 inches (150 to 206 cm)
Front tread:55.1 to 70.9 inches (139 to 180 cm)
Height (cab):99.2 inches (251 cm)
Height (exhaust):103 inches (261 cm)
Clearance (drawbar):12.4 inches (31 cm)
Standard tires (ag):Front: 7.5-16. Rear: 16.9R30
Clearance (rear axle):17.7 inches (44 cm)

Power Take-off (PTO)

Rear PTO:live
Engine RPM:540@1686, 1000@1692
Rear PTO Type:540/1000 (1.375)