Ursus 1634 tractor

Ursus 1634

Power

152 hp

Production

1991-2009

Engine

Turbocharged diesel, 6-cylinder

Transmission

Two-speed power shift

Weight

13889 lbs [6300 kg]

Drive

4WD

From the same series:

1434
1654

Introduction

Ursus 1634 Agricultural Tractor

The Ursus 1634 is a four-wheel drive agricultural tractor manufactured in Warsaw, Poland, between 1991 and 2009. It belongs to the heavy-duty segment, designed for significant traction and field operations.

Engine and Performance

The tractor is powered by a Zetor Z 8602.12 six-cylinder turbocharged diesel engine with a 6.8-liter displacement. It features direct fuel injection and an oil bath air cleaner. The engine provides 152 hp (114 kW) at a rated speed of 2200 RPM, with a peak torque of 417.9 lb-ft (566.7 Nm) at 1650 RPM, ensuring sufficient power for demanding agricultural tasks.

Transmission and Drivetrain

The transmission system consists of 12 forward and 6 reverse gears, utilizing a two-speed power shift mechanism. This configuration allows for adjustments during operation. The drivetrain includes a four-wheel drive system, a mechanical rear differential lock, and power steering, supported by a 380mm hydraulic dry disc clutch.

Hydraulics and PTO

The hydraulic system provides a pump flow of 10.8 gpm (40.9 lpm) with a total capacity of 12.15 gallons (46.0 L). The rear PTO is independent and operates at speeds of 540 and 1000 RPM. A front PTO rated at 1000 RPM was also available as an optional feature. The rear three-point hitch is Category II, with an optional Category III, capable of lifting up to 12,125 lbs (5,499 kg).

Dimensions and Operator Environment

The machine is equipped with a standard cab featuring an integrated heating system. With a wheelbase of 106.5 inches and a base weight of 11,442 lbs (ballasted up to 13,889 lbs), the tractor provides stability in various field conditions. It sits on standard 14.9-24 front tires and 18.4-38 rear tires.

Conclusion

The Ursus 1634 is a robust, heavy-duty tractor suited for large-scale field work, characterized by its mechanical simplicity and high lift capacity, making it a functional choice for traditional agricultural operations.

Production Information of Ursus, 1634

  • Built in Warsaw, Poland
ManufacturerUrsus

Dimension and Tires Information of Ursus, 1634

Ballasted weight13889 lbs [6300 kg]
Wheelbase106.5 inches [270 cm]
Height (exhaust)118.8 inches [301 cm]
Height (cab)117.4 inches [298 cm]
Length177 inches [449 cm]
Ground clearance19.1 inches [48 cm]
Weight11442 lbs [5190 kg]
Width89.3 inches [226 cm]
Rear tread65/67.9/70.9/73.8 inches [165/172/180/187 cm]
Front tread67.3/71.3 inches [170/181 cm]
Standard tires (ag)Front: 14.9-24. Rear: 18.4-38

Engine Specifications of Ursus, 1634

  • Zetor Z 8602.12
  • Liquid-cooled
  • Turbocharged diesel
  • 6-cylinder
Starter power7.5 hp [5.6 kW]
Starter volts24
Fuel systemDirect injection
Oil capacity20.1 qts [19.0 L]
Compression17:1
Rated RPM2200
Air cleanerOil bath
Displacement416.4 ci [6.8 L]
Power152.9 hp [114.0 kW]
Bore/Stroke4.33x4.72 inches [110 x 120 mm]
StarterElectric
Coolant capacity30.6 qts [29.0 L]
Torque RPM1650
Torque417.9 lb-ft [566.7 Nm]

Transmission Information of Ursus, 1634

Transmission variants 1

  • Three gears (1-3) in two ranges (I/II) plus reverse range (R) with two-speed power shift.
TypeTwo-speed power shift
Oil capacity48.6 qts [46.0 L]
Gears12 forward and 6 reverse
Clutch380mm hydraulic dry disc

Mechanical Specs of Ursus, 1634

  • Four-wheel drive
  • Cab standard with heat.
  • Dry disc brakes
  • Power steering
Differential lockMechanical rear

Power Information of Ursus, 1634

Front PTO(optional)1000
Rear PTOIndependent
Engine RPM540@1890
Engine RPM(optional)1000 (1.75)
ClutchHydraulic
Clutch(optional)1000@1920
Rear PTO Type540/1000 (1.375)

Hydraulics Specifications of Ursus, 1634

Capacity12.15 gal [46.0 L]
Pump flow10.8 gpm [40.9 lpm]

Three-Point Hitch of Ursus, 1634

Rear TypeII
Rear lift12125 lbs [5499 kg]
Rear lift(optional)III
ControlPosition and draft control

Electrical System of Ursus, 1634

Charging systemAlternator
Battery volts12
Batteries2
Charging amps55
Battery AH135
Charging volts12

Where it sits

With 152 HP, the Ursus 1634 sits between 1434 (136 HP) and 1654 (158 HP) in Ursus's range. Its power puts it in the 85th percentile of 1990s models in our database (2097 machines).

Frequently asked questions

How much horsepower does the Ursus 1634 have?

The Ursus 1634 delivers 152 HP.

What years was the Ursus 1634 produced?

The Ursus 1634 was produced in 1991-2009.

What engine does the Ursus 1634 have?

The Ursus 1634 is powered by a Turbocharged diesel, 6-cylinder engine.

What transmission does the Ursus 1634 use?

The Ursus 1634 uses a Two-speed power shift transmission.

How much does the Ursus 1634 weigh?

The Ursus 1634 weighs 13889 lbs [6300 kg].

Is the Ursus 1634 4WD?

The Ursus 1634 is available in 4WD.

Compare the Ursus 1634 with another model