Ursus 3512

The Ursus 3512, a stalwart in agricultural fields worldwide, embodies reliability and versatility. Renowned for its robust construction and moderate horsepower, it tackles various tasks with ease. Its 2WD configuration, though limiting in traction, is offset by power steering, enhancing maneuverability. Commonly encountered issues include engine-related problems and hydraulic leaks, necessitating regular maintenance. Safety features such as the Roll-Over Protection Structure (ROPS) prioritize operator well-being, while its live rear PTO adds to its functionality. Despite lacking modern amenities, the Ursus 3512 remains a dependable choice for farmers seeking durability and performance in their daily operations.

Ursus 3512 Specifications
FactoryWarsaw, Poland
Years of Production1984 – 2011
Variants3512 (2WD)
Ursus 3512 Power
Engine47 hp (35.0 kW)
PTO (claimed)42 hp (31.3 kW)
Engine Detail
ModelUrsus-Perkins 3250
TypeDiesel, 3-cylinder, liquid-cooled
Displacement152.7 ci (2.5 L)
Bore/Stroke3.60×5.00 inches (91 x 127 mm)
Air cleaneroil bath
Rated RPM2250
Torque121.7 lb-ft (165.0 Nm) @ 1300 RPM
Starter volts12
Transmissions Overview
Option8-speed
Option12-speed creeper
Transmission
Gears8 forward, 2 reverse
Typecreeper
Gears12 forward, 3 reverse
Mechanical
Chassis4×2 2WD
Steeringpower
Brakesmechanical wet disc
CabTwo-post ROPS (Cab optional)
Hydraulics
Pump flow4.5 gpm (17.0 lpm)
Tractor hitchRear Type II
Controlposition and draft control
Rear lift2932 lbs (1329 kg)
Power Take-off (PTO)
Rear PTOlive
Rear RPM540 (1.375)
Engine RPM540 @ 1893
Electrical
Charging systemalternator
Battery volts12
Ursus 3512 Tires
Ag front6.00-16
Ag rear14.9R28
Dimensions
Wheelbase82 inches (208 cm)
Length134.4 inches (341 cm)
Width74 inches (187 cm)
Height (cab)98 inches (248 cm)
Height (exhaust)93.7 inches (237 cm)
ROPS Weight5038 lbs (2285 kg)
Front tread53.2/59.1/70.9 inches (135/150/180 cm)
Rear tread59.1 to 87 inches (150 to 220 cm)
Ursus 3512 overview

The Ursus 3512, manufactured by Ursus in Warsaw, Poland, from 1984 to 2011, presents itself as a reliable workhorse for agricultural operations. Powered by a Ursus-Perkins 3250 diesel engine, it delivers 47 horsepower with a claimed PTO output of 42 horsepower. This 2WD tractor features either an 8-speed or 12-speed creeper transmission, providing flexibility for different tasks. The hydraulic system, with a pump flow of 4.5 gallons per minute, supports a rear Type II hitch capable of lifting up to 2932 lbs. Safety is prioritized with a two-post ROPS, ensuring operator protection.

Advantages of the Ursus 3512 include its moderate horsepower, suitable for a variety of farm duties, along with its rugged construction, ensuring durability in challenging conditions. The presence of power steering enhances maneuverability, and the availability of transmission options caters to diverse operational needs. However, limitations arise in its 2WD configuration, potentially affecting traction, and the relatively low hydraulic pump flow compared to modern counterparts. While the tractor is renowned for its reliability, common issues such as engine-related problems or hydraulic leaks may arise, necessitating regular maintenance and attention.

Safety features of the Ursus 3512 include the Roll-Over Protection Structure (ROPS) and mechanical wet disc brakes, ensuring operator safety during operation. Other notable features include a live rear PTO, facilitating the use of various implements, and a charging system with an alternator. Despite lacking some modern amenities, the Ursus 3512 remains a dependable choice for farmers seeking a balance of power, affordability, and reliability in their agricultural machinery.

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