Technical specifications of the agricultural tractors Zetor 25, 25 A, 25 K, Super 50:
Zetor 25
- Years of production: 46-51
- Maximum engine power (HP) / at RPM: 25/1800
- Number of gearbox speeds (forward + reverse): 5+1
- Maximum speed (km/h): –
- Fuel tank capacity (L): 45
Zetor 25 A
- Years of production: 51-61
- Maximum engine power (HP) / at RPM: 27/1800
- Number of gearbox speeds (forward + reverse): 6+2
- Maximum speed (km/h): –
- Fuel tank capacity (L): 45
Zetor 25 K
- Years of production: 51-61
- Maximum engine power (HP) / at RPM: 26/1600
- Number of gearbox speeds (forward + reverse): 6+2
- Maximum speed (km/h): –
- Fuel tank capacity (L): 45
Zetor Super
- Years of production: 55-60
- Maximum engine power (HP) / at RPM: 42/1500
- Number of gearbox speeds (forward + reverse): 5+1
- Maximum speed (km/h): –
- Fuel tank capacity (L): 68
Zetor Super 50
- Years of production: 60-68
- Maximum engine power (HP) / at RPM: 50/1650
- Number of gearbox speeds (forward + reverse): 8+2
- Maximum speed (km/h): –
- Fuel tank capacity (L): 68
For details and a comparison of the tractors, see the technical sheet below.
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Technical Data Sheet for Zetor 25, 25 A, 25 K, Super 50 agricultural tractors:
| Model | Zetor 25 | Zetor 25 A | Zetor 25 K | Zetor Super | Zetor Super 50 |
|---|---|---|---|---|---|
| Years of production | 46-51 | 51-61 | 51-61 | 55-60 | 60-68 |
| Engine designation/type | – | – | – | – | – |
| Number of cylinders / Turbo / Intercooler | 2 | 2 | 2 | 4 | 4 |
| Engine displacement (cm³) | 2081 | 2081 | 2081 | 4160 | 4160 |
| Piston diameter / Stroke (mm) | 105×120 | 105×120 | 105×120 | 105×120 | 105×120 |
| Maximum engine power (HP) / at RPM | 25/1800 | 27/1800 | 26/1600 | 42/1500 | 50/1650 |
| Torque (Nm) / at RPM | – | – | – | 240/1000 | – |
| Number of gearbox speeds (forward + reverse) | 5+1 | 6+2 | 6+2 | 5+1 | 8+2 |
| Number of synchronized gears (forward + reverse) | – | – | – | – | – |
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| Fast gearbox / Power shift | – | – | – | – | – |
|---|---|---|---|---|---|
| Reverser type | – | – | – | – | – |
| Speed range (km/h) | 3,9-22,3 | 3,4-32,0 | 4,3-20,3 | 3,9-24,0 | 1,2-27,7 |
| Maximum speed (km/h) | – | – | – | – | – |
| Hydraulic pump capacity (L/min) | – | – | – | – | – |
| Rear three-point hitch (TUV) control type | mech | mech | – | mech | mech |
| Maximum rear three-point hitch (TUV) lift capacity (kg) | – | – | – | 1200 | – |
| Power take-off (PTO) speed (RPM) | 540 | 540 | 540 | 540 | 540 |
| Type of disc brake (dry/wet) | – | – | – | – | – |
| Brake system control type | mech | mech | mech | mech | mech |
| Turning radius 2WD (m) | 5 | 6,5 | – | 8,2 | – |
| Turning radius 4WD (m) | – | – | – | – | – |
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| Front tire size 2WD | 5,50-16 | 5,50-16 | 5,50-16 | 6,00-20 | 6,50-20 |
|---|---|---|---|---|---|
| Front tire size 4WD | – | – | – | – | – |
| Rear tire size 2WD | 11,25-24 | 13-28 | – | 14,9/13-28 | 16,9/14-28 |
| Rear tire size 4WD | – | – | – | – | – |
| Total weight 2WD (kg) | 1750 | 1975 | 2105 | 2860 | 2740 |
| Total weight 4WD (kg) | – | – | – | – | – |
| Total height with cabin (cm) | 177 | 191 | – | 180 | 180 |
| Total length (cm) | 320 | 320 | 320 | 343 | 357 |
| Total width (cm) | 190 | 190 | 190 | 219 | 220 |
| Fuel tank capacity (L) | 45 | 45 | 45 | 68 | 68 |
| Cabin noise level (dB) | – | – | – | – | – |
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