Belarus 1770

Last Updated: June 2024

Overview

The Belarus 1770 is a solid, 185-horsepower, four-wheel-drive tractor designed for a variety of tasks. It features a 6-cylinder turbocharged diesel engine, with a liquid-cooled V-6 configuration and a displacement of 558.4 cubic inches. The tractor utilizes a 12-speed four-speed power shift transmission system, offering 12 forward and 4 reverse gears. The Belarus 1770 also features an articulated hydraulic power steering system and a chassis with a 4x4 articulated 4-wheel-drive. It has a rear hitch (type III) and it is equipped with an open center hydraulic system. Weighing at 19,585 pounds, the Belarus 1770 presents a robust choice for heavy-duty farming work.

Key Specifications

Category: Utility, Four-Wheel Drive

Power Output: 185

Transmission: 12-speed four-speed power shift

Drive Type: 4WD

Operating Weight: 19585

Fuel Type: diesel

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Belarus 1770 Tractor

Belarus 1770 vs. Similar Tractors

Power Output

Excellent

Greater than 92% of similar tractors.

Operating Weight

Average

Greater than 69% of similar tractors.

Technical Specifications

Engine

Manufacturer: Belarus
Model: SMD-63
Cooling Type: liquid-cooled
Cylinder Orientation: V-6
Valve Configuration: -
Fuel Type: diesel
Induction Type: turbocharged
Cylinders: 6
Displacement (ci): 558.4
Bore (in): 5.118
Stroke (in): 4.528
Rated RPM: 2100
Power Output (hp): 185

Transmission

Type: 12-speed four-speed power shift
Forward Gears: 12
Reverse Gears: 4
Total Gears: -

Dimensions

Length (in): 241
Width (in): 94.5
Height (in): 124.6
Operating Weight (lb): 19585

Power Take-Off (PTO)

PTO Type: -
PTO Speed 1 (rpm): -
PTO Speed 2 (rpm): -
PTO Speed 3 (rpm): -

Miscellaneous

Chassis: 4x4 articulated 4WD
Drive Type: 4WD
Steering Type: articulated hydraulic power
Coolant Capacity (qts): 44
Front Tire Diameter (in): -
Front Tire Width (in): -
Rear Tire Diameter (in): -
Rear Tire Width (in): -
Front/Rear Rim Diameter (in): -
Tire Type: Ag front: 23.1-26, Ag rear: 23.1-26
Manufacture - End Year: -
Hitch Type: Rear Type: III
Hitch Category: III
Hitch Position: Rear
Hitch Capacity (lb): -
Operator Station Type: -
Starter Type: Electric Starter Volts: 24
Brake Type: -
Hydraulic System Type: open center

Test Results

Nebraska Tractor Test Laboratory - Test Date: 1990

Maximum Power and Fuel Consumption

Maximum Power: 105.17 HP (78.45 kW) at 2100 rpm
Fuel Consumption at Maximum Power: 6.89 Gal/hr (26.08 l/h) with a fuel efficiency of 0.518 lb/hp.hr (0.315 kg/kW.h)
Fuel Efficiency at Standard PTO Speed: 17.67 Hp.hr/gal (3.49 kW.h/l)

Drawbar Performance

Power at Rated Engine Speed (7th Gear): 88.44 HP (65.97 kW) with a drawbar pull of 7000 lbs (31.14 kN) and a speed of 5.95 mph (9.58 km/h)
Fuel Consumption at Rated Speed: 0.557 lb/hp.hr (0.339 kg/kW.h) with a fuel efficiency of 16.43 Hp.hr/gal (3.25 kW.h/l)

Torque and Engine Performance

Maximum Torque: 345 lb.-ft. (467 Nm) at 1400 rpm
Torque Rise: 32.5% with a corresponding power increase at decreasing rpm

Hydraulic Performance

Maximum Force Exerted: 7500 lbs (33.36 kN) at hitch points
Pump Delivery Rate: 16.3 GPM (61.7 l/min) at rated engine speed
Hydraulic Power: 30.5 HP (22.7 kW) at delivery pressure of 2500 psi (172 bar)

Overall Efficiency

Fuel Efficiency at Standard PTO Speed (1000 rpm): 17.67 Hp.hr/gal (3.49 kW.h/l)
Fuel Consumption: 6.75 Gal/hr (25.54 l/h) at 2000 rpm

NTTL. (1990). Test 1641: Belarus 1770 Diesel 12-Speed. University of Nebraska-Lincoln. Retrieved from https://digitalcommons.unl.edu/tractormuseumlit/1951