| Manufacturer | Ursus |
| Price | - |
| Model | 1634 |
| Equipment Type | - |
| Factory | Warsaw, Poland |
URSUS 1634 POWER
| Engine | 152.9hp / 114.0kW |
| PTO (claimed) | 138.1hp / 103.0kW |
ENGINE DETAIL
The Ursus 1634 tractor features a robust Zetor Z 8602.12 turbocharged 6-cylinder diesel engine, offering a significant power output of 152.9 hp at a rated RPM of 2200, which is optimal for heavy-duty tasks. Its torque of 417.9 lb-ft at 1650 RPM ensures efficient performance under load, enhancing its utility in agricultural and industrial applications. The oil and coolant capacities (20.1 qts and 30.6 qts, respectively) contribute to durability but may require careful management during extended operations to prevent overheating and maintain lubrication.
| Description | Zetor Z 8602.12 turbocharged diesel 6-cylinder liquid-cooled |
| Displacement | 416.4ci / 6.8L |
| Bore/Stroke | 4.33x4.72inches / 110x 120 mm |
| Power | 152.9hp / 114.0kW |
| Fuel system | direct injection |
| Air cleaner | oil bath |
| Compression | 17:1 |
| Rated RPM | 2200 |
| Torque | 417.9 lb-ft /566.7 Nm |
| Torque RPM | 1650 |
| Starter | electric |
| Starter volts | 24 |
| Starter power | 7.5hp / 5.6kW |
| Oil capacity | 20.1qts / 19.0L |
| Coolant capacity | 30.6qts / 29.0L |
URSUS 1634 ENGINE
The Ursus 1634 tractor is powered by a Zetor 6.8L 6-cylinder diesel engine, offering robust torque and fuel efficiency suitable for mid to heavy-duty agricultural tasks. Its advanced engine design provides a balance of power output and operating economy, but maintenance of such a larger engine may necessitate more frequent servicing. Ideal for demanding farm applications, ensure that the tractor's horsepower and torque ratings align with your specific implement requirements for optimal performance.
| Description | Zetor 6.8L 6-cyl diesel |
TRANSMISSION
The Ursus 1634 tractor features a two-speed power shift transmission with a total of 12 forward and 6 reverse gears, providing versatility for various tasks in both low and high-speed operations. The 380mm hydraulic dry disc clutch enhances durability and responsiveness, but may require regular maintenance to ensure optimal performance. With an oil capacity of 48.6 quarts (46.0L), proper lubrication is crucial for effective gear operation, suggesting that regular oil checks are essential to prevent overheating and maintain transmission efficiency.
| Type | two-speed power shift |
| Gears | 12 forward and 6 reverse |
| Clutch | 380mm hydraulic dry disc |
| Oil capacity | 48.6qts / 46.0L |
| Description | Three gears (1-3) in two ranges (I/II) plus reverse range (R) with two-speed power shift. |
SPEEDS
| Description | With 18.4-38 rear tires |
MECHANICAL
The Ursus 1634 features a 4x4 MFWD system, enhancing traction in muddy or steep terrains, ideal for agricultural applications. Its mechanical rear differential lock offers improved stability during challenging maneuvers, though it may require more driver engagement. The 12-speed two-speed power shift transmission allows for efficient speed management, providing flexibility between tasks while the standard heated cab ensures operator comfort in varying weather conditions.
| Chassis | 4x4 MFWD 4WD |
| Differential lock | mechanical rear |
| Steering | power |
| Brakes | dry disc |
| Cab | Cab standard with heat |
| Transmission | 12-speed two-speed power shift |
CAPACITY
| Fuel | 44.9gal / 169.9L |
| Hydraulic system | 12.15gal / 46.0L |
HYDRAULICS
| Capacity | 12.15gal / 46.0L |
| Pump flow | 10.8gpm / 40.9lpm |
TRACTOR HITCH
| Rear Type | II/III |
| Control | position and draft control |
| Rear lift | 12125lbs / 5499kg |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Clutch | hydraulic |
| Rear RPM | 540/1000 (1.375)/1000 (1.75) |
| Engine RPM | 540@1890 / 1000@1920 |
| Front PTO | 1000 |
URSUS 1634 TIRES
The Ursus 1634 tractor is equipped with standard agricultural tires (14.9-24 front and 18.4-38 rear), which provide optimal traction and stability in various field conditions, enhancing soil engagement during tillage operations. However, the larger rear tires may present challenges in tight spaces or on uneven terrain due to their size. This setup is ideal for heavy-duty applications but can lead to increased soil compaction if not managed properly.
| Standard tires (ag) | Front: 14.9-24. Rear: 18.4-38 |
DIMENSIONS
| Wheelbase | 106.5inches / 270cm |
| Length | 177inches / 449cm |
| Width | 89.3inches / 226cm |
| Height (cab) | 117.4inches / 298cm |
| Height (exhaust) | 118.8inches / 301cm |
| Weight | 11442lbs / 5190kg |
| Ballasted weight | 13889lbs / 6300kg |
| Ground clearance | 19.1inches / 48cm |
| Front tread | 67.3/71.3inches / 170/181 cm |
| Rear tread | 65/67.9/70.9/73.8inches / 165/172/180/187 cm |
DIMENSIONS & TIRES
The Ursus 1634, with a wheelbase of 106.5 inches (270 cm) and a weight of 11,442 lbs (5,190 kg), offers stability and traction for various agricultural tasks, especially in tillage and heavy-duty applications. The front tire size of 14.9-24 and rear tire size of 18.4-38 provides a balance between flotation and grip, minimizing soil compaction while maximizing power transfer. However, maneuverability may be a challenge in tighter spaces due to its weight and length, making it best suited for larger plots and open fields.
| Wheelbase | 106.5inches / 270cm |
| Weight | 11442lbs / 5190kg |
| Front tire | 14.9-24 |
| Rear tire | 18.4-38 |
ELECTRICAL
| Charging system | alternator |
| Charging amps | 55 |
| Charging volts | 12 |
| Batteries | 2 |
| Battery volts | 12 |
| Battery AH | 135 |