Introduction
Belarus MTZ-521: Agricultural Tractor (1973-1977)
The Belarus MTZ-521 is a four-wheel-drive agricultural tractor produced between 1973 and 1977. Designed for general farming operations, this machine focuses on mechanical reliability and practical utility in the field.
Engine and Performance
The tractor is powered by a 4.7-liter, four-cylinder engine with a bore and stroke of 110 x 125 mm. It delivers a power output of 67 hp (50.0 kW) at a rated engine speed of 1800 RPM. The engine produces a maximum torque of 193.3 lb-ft (262.1 Nm) at 1100 RPM, providing consistent lugging ability for various agricultural tasks.
Transmission and Drivetrain
The MTZ-521 features a mechanical transmission providing 9 forward gears and 2 reverse gears, allowing for speed adjustments suitable for different field and transport requirements. Power is delivered to all four wheels, supported by power-assisted steering to improve maneuverability. Stopping power is managed by a disc brake system.
Hydraulics and PTO
The hydraulic system provides a total flow rate of 13.2 gpm (50.0 lpm). The rear three-point hitch is rated for a lift capacity of 4,410 lbs (2000 kg). The tractor is equipped with a rear PTO system capable of operating at 540 RPM or in ground-drive mode, facilitating the use of various implements.
Dimensions and Weight
With a wheelbase of 96.5 inches (245 cm) and an overall length of 151.6 inches (385 cm), the tractor maintains a balanced footprint. Its operating weight is 7,695 lbs (3490 kg). The machine is fitted with agricultural tires, measuring 8.30-20 at the front and 13.6-38 at the rear.
Conclusion
The Belarus MTZ-521 is a durable, utility-focused tractor suitable for medium-duty agricultural work. Its combination of four-wheel drive, sufficient hydraulic lift capacity, and a high-torque engine makes it a capable machine for farmers requiring a straightforward and serviceable tractor for daily field operations.
Production Information of Belarus, MTZ-521
| Manufacturer | Belarus |
|---|
Dimension and Tires Information of Belarus, MTZ-521
| Wheelbase | 96.5 inches [245 cm] |
|---|---|
| Weight | 7,695 lbs [3490 kg] |
| Length | 151.6 inches [385 cm] |
| Height | 101.6 inches [258 cm] |
| Ag front | 8.30-20 |
|---|---|
| Ag rear | 13.6-38 |
Engine Specifications of Belarus, MTZ-521
- D60
- 4-cylinder
| Torque | 193.3 lb-ft [262.1 Nm] |
|---|---|
| Power | 67 hp [50.0 kW] |
| Bore/Stroke | 4.331x4.921 inches [110 x 125 mm] |
| Torque RPM | 1100 |
| Rated RPM | 1800 |
| Displacement | 289.8 ci [4.7 L] |
Transmission Information of Belarus, MTZ-521
Transmission variants 1
| Gears | 9 forward and 2 reverse |
|---|
Mechanical Specs of Belarus, MTZ-521
- Four-wheel drive
- Standard
- Disc brakes
| Steering | Power assist |
|---|
Power Information of Belarus, MTZ-521
| Rear PTO Type | 540/ground |
|---|
Hydraulics Specifications of Belarus, MTZ-521
| Total flow | 13.2 gpm [50.0 lpm] |
|---|
Three-Point Hitch of Belarus, MTZ-521
| Rear lift | 4,410 lbs [2000 kg] |
|---|
Where it sits
With 67 HP, the Belarus MTZ-521 sits between Super MTZ-52 (65 HP) and 570 (68 HP) in Belarus's range. Its power puts it in the 48th percentile of 1970s models in our database (1259 machines).
Frequently asked questions
How much horsepower does the Belarus MTZ-521 have?
The Belarus MTZ-521 delivers 67 HP.
What years was the Belarus MTZ-521 produced?
The Belarus MTZ-521 was produced in 1973-1977.
What engine does the Belarus MTZ-521 have?
The Belarus MTZ-521 is powered by a 4-cylinder engine.
How much does the Belarus MTZ-521 weigh?
The Belarus MTZ-521 weighs 7,695 lbs [3490 kg].
Is the Belarus MTZ-521 4WD?
The Belarus MTZ-521 is available in 4WD.