Technical specifications of MTZ-501/521 agricultural tractor:
MTZ-501/521 agricultural tractor was produced from 1973 to 1977. It was equipped with a D60 engine with a displacement of 4750 cm³. This engine has four cylinders and achieves a maximum power of 67 HP at 1800 RPM and a torque of 262 Nm at 1100 RPM. The cylinder bore is 110 mm, and the stroke is 125 mm. The gearbox offers 9 forward and 2 reverse gears, allowing a driving speed from 2.0 to 27.3 km/h. The hydraulic pump capacity is 50 liters per minute, and the mechanically controlled rear lift has a maximum capacity of 2000 kg. The power take-off (PTO) operates at 540 RPM. The turning radius for the 2WD version is 8.8 meters, and for the 4WD version, it is 9.9 meters. The front tire size is 7.50-20 for the 2WD version and 8.30-20 for the 4WD version, while the rear tires are 13.6-38 for both versions. The total weight of the tractor is 3330 kg for the 2WD version and 3490 kg for the 4WD version, and its dimensions are: height with cab 251 cm, length 385 cm, and width 110 cm. The fuel tank capacity is 90 liters.
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Technical Data Sheet for MTZ-501/521, MTZ-505/525, MTZ-80/82, MTZ-800/820 agricultural tractors:
| Model | MTZ-501/521 | MTZ-505/525 | MTZ-80/82 | MTZ-800/820 |
|---|---|---|---|---|
| Years of production | 73-77 | 77-83 | 75-77 | 77-83 |
| Engine designation/type | D60 | D60 | D240 | D240 |
| Number of cylinders / Turbo / Intercooler | 4 | 4 | 4 | 4 |
| Engine displacement (cm³) | 4750 | 4750 | 4750 | 4750 |
| Piston diameter / Stroke (mm) | 110×125 | 110×125 | 110×125 | 110×125 |
| Maximum engine power (HP) / at RPM | 67/1800 | 67/1800 | 80/2200 | 80/2200 |
| Torque (Nm) / at RPM | 262/1100 | 262/1100 | 268/1000 | 275/1400 |
| Number of gearbox speeds (forward + reverse) | 9+2 | 9+2 | 18+4 | 18+4 |
| Number of synchronized gears (forward + reverse) | – | – | – | – |
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| Fast gearbox / Power shift | – | – | – | – |
|---|---|---|---|---|
| Reverser type | – | – | – | – |
| Speed range (km/h) | 2,0-27,3 | 2,0-27,3 | 1,9-33,4 | 1,9-33,4 |
| Maximum speed (km/h) | – | – | – | – |
| Hydraulic pump capacity (L/min) | 50 | 50 | 50 | 50 |
| Rear three-point hitch (TUV) control type | mech | mech | mech | mech |
| Maximum rear three-point hitch (TUV) lift capacity (kg) | 2000 | 2700 | 2000 | 2700 |
| Power take-off (PTO) speed (RPM) | 540 | 540 | 540/1000 | 540/1000 |
| Type of disc brake (dry/wet) | – | – | – | – |
| Brake system control type | – | – | – | – |
| Turning radius 2WD (m) | 8,8 | 9,3 | – | – |
| Turning radius 4WD (m) | 9,9 | 9,5 | – | – |
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| Front tire size 2WD | 7,50-20 | 7,50-20 | 7,50-20 | 7,50-20 |
|---|---|---|---|---|
| Front tire size 4WD | 8,30-20 | 8,30-20 | 8,30-20 | 8,30-20 |
| Rear tire size 2WD | 13,6-38 | 13,6-38 | 15,5-38 | 15,5-38 |
| Rear tire size 4WD | 13,6-38 | 13,6-38 | 15,5-38 | 15,5-38 |
| Total weight 2WD (kg) | 3330 | 3450 | 3655 | 3655 |
| Total weight 4WD (kg) | 3490 | 3670 | 3820 | 3855 |
| Total height with cabin (cm) | 251 | 279 | 265 | 279 |
| Total length (cm) | 385 | 385 | 382 | 402 |
| Total width (cm) | 110 | 110 | – | – |
| Fuel tank capacity (L) | 90 | 85 | 87 | 87 |
| Cabin noise level (dB) | – | – | – | – |
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