Zetor 25, 25 A, 25 K, Super 50 ⚙️ Specs

Technical Specifications of the Zetor 25 agricultural tractor:

Zetor 25 agricultural tractor was produced from 1946 to 1951. It features a two-cylinder engine with a displacement of 2081 cm³, and piston dimensions of 105 mm in diameter and 120 mm in stroke. The engine achieves a maximum power of 25 HP at 1800 revolutions per minute. The gearbox has 5 forward gears and 1 reverse gear. The tractor can travel at speeds ranging from 3.9 km/h to a maximum of 22.3 km/h. The rear lift is mechanically controlled, and the power take-off (PTO) operates at 540 revolutions per minute. The braking system is mechanically controlled. The turning radius for the 2WD version is 5 meters. The front tire size for the 2WD version is 5.50-16, and the rear tire size is 11.25-24. The total weight of the 2WD version is 1750 kg. The tractor’s dimensions are: height with cab 177 cm, length 320 cm, and width 190 cm. The fuel tank capacity is 45 liters.

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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 model / type
Number of cylinders / turbocharging 2 2 2 4 4
Engine displacement (cm3) 2081 2081 2081 4160 4160
Piston dimension / stroke (mm) 105×120 105×120 105×120 105×120 105×120
Maximum engine power (hp) / rpm 25/1800 27/1800 26/1600 42/1500 50/1650
Torque (Nm) / rpm 240/1000
Number of gears (front + rear) 5+1 6+2 6+2 5+1 8+2
Number of synchronized gears (front+rear)

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Speed-Shift
Type of reverse
Driving speed (km/h) 3,9-22,3 3,4-32,0 4,3-20,3 3,9-24,0 1,2-27,7
Max Driving speed (km/h)
Hydraulic pump capacity (L/min)
3-Point Hitch control mech mech mech mech
3-point hitch max load (kg) 1200
PTO speed (rpm) 540 540 540 540 540
Disc brake type (dry / wet)
Type of control of the braking system mech mech mech mech mech
Turning radius 2WD (m) 5 6,5 8,2
Turning radius 4WD (m)

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Front wheel 2WD 5,50-16 5,50-16 5,50-16 6,00-20 6,50-20
Front wheel 4WD
Rear wheel 2WD 11,25-24 13-28 14,9/13-28 16,9/14-28
Rear wheel 4WD
2WD total weight (kg) 1750 1975 2105 2860 2740
4WD total weight (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 sound level (dB)

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