Technical Specifications of the Zetor 2511 agricultural tractor:
Zetor 2511 agricultural tractor was produced from 1967 to 1972. It features the Z 2001 engine, which has two cylinders. The engine displacement is 1560 cm³, with piston dimensions of 95 mm in diameter and 110 mm in stroke. The engine achieves a maximum power of 25 HP at 2000 revolutions per minute and a torque of 88 Nm at 1300 revolutions per minute. The gearbox has 10 forward gears and 2 reverse gears. The tractor can travel at speeds from 1.0 km/h to a maximum of 21.6 km/h, with a maximum driving speed of 27 km/h. The hydraulic pump output is 20 liters per minute. The rear lift is mechanically controlled and has a maximum lift capacity of 800 kg. The power take-off (PTO) operates at 540 or 1000 revolutions per minute. The braking system is mechanically controlled. The turning radius for the 2WD version is 6.4 meters, and for the 4WD version, it is 14.2 meters. The front tire size for the 2WD version is 5.50-16, and for the 4WD version, it is 8.00-20. The rear tire size for the 2WD version is 12.4-28, and for the 4WD version, it is 12.4-32. The total weight of the 2WD version is 1690 kg, and the 4WD version is 1950 kg. The tractor’s dimensions are: height with cab 236 cm, length 304 cm, and width 175 cm. The fuel tank capacity is 40 liters. The noise level in the cab is 95 dB or 99 dB, depending on the version.
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Technical Data Sheet for Zetor 2511, 3511, 3545, 4511, 5511, 5545 agricultural tractors:
| Model | Zetor 2511 | Zetor 3511/3545 | Zetor 4511 | Zetor 5511/5545 |
| Years of production | 67-72 | 67-72 | 67-72 | 66-72 |
| Engine model / type | Z 2001 | Z 3001 | Z 4001 | Z 5101 |
| Number of cylinders / turbocharging | 2 | 3 | 4 | 4 |
| Engine displacement (cm3) | 1560 | 2340 | 3120 | 3120 |
| Piston dimension / stroke (mm) | 95×110 | 95×110 | 95×110 | 95×110 |
| Maximum engine power (hp) / rpm | 25/2000 | 35/2000 | 48/2000 | 55/2200 |
| Torque (Nm) / rpm | 88/1300 | 133/1300 | 188/1450 | 192/1500 |
| Number of gears (front + rear) | 10+2 | 10+2 | 10+2 | 10+2 |
| Number of synchronized gears (front+rear) | – | – | – | – |
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| Speed-Shift | – | – | – | – |
| Type of reverse | – | – | – | – |
| Driving speed (km/h) | 1,0-21,6 | 1,1-25,4 | 1,1-25,6 | 1,1-25,4 |
| Max Driving speed (km/h) | 27 | 30,5 | 29 | 29,5 |
| Hydraulic pump capacity (L/min) | 20 | 20 | 20 | 20 |
| 3-Point Hitch control | mech | mech | mech | mech |
| 3-point hitch max load (kg) | 800 | 1000 | 1400 | 1500 |
| PTO speed (rpm) | 540/1000 | 540/1000 | 540/1000 | 540/1000 |
| Disc brake type (dry / wet) | – | – | – | – |
| Type of control of the braking system | mech | mech | mech | mech |
| Turning radius 2WD (m) | 6,4 | 6,94 | – | – |
| Turning radius 4WD (m) | 14,2 | 14,52 | – | – |
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| Front wheel 2WD | 5,50-16 | 6,00-16 | 6,00-18 | 7,50-16 |
| Front wheel 4WD | 8,00-20 | 8,3-24 | – | – |
| Rear wheel 2WD | 12,4-28 | 12,4-32 | 14,9-28 | 12,4-36 |
| Rear wheel 4WD | 12,4-32 | 14,9-28 | – | – |
| 2WD total weight (kg) | 1690 | 1860 | 2370 | 2520 |
| 4WD total weight (kg) | 1950 | 2820 | – | – |
| Total height with cabin (cm) | 236 | – | – | – |
| Total length (cm) | 304 | 327/320 | 356 | 350 |
| Total width (cm) | 175 | 192 | 213 | 226 |
| Fuel tank capacity (l) | 40 | 40 | 70 | 70 |
| Cabin sound level (dB) | 95/99 | 94 | 95/96 | – |
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