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Zetor 25A

Zetor 25A tractor
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The Zetor 25A is a standard-tread farm tractor produced by Zetor in Brno, Czechoslovakia from 1949 to 1961. It features a 2.1L 2-cylinder liquid-cooled diesel engine producing 25 hp (18.6 kW), a 6-speed gear transmission with 2 reverse gears, and two-wheel drive with an open operator station. The tractor has a live rear PTO with 540 rpm and weighs 4026 lbs (1826 kg). It was built in large numbers with a total production of 158,570 units. Variants include the 25A standard chassis and the 25K row-crop chassis.
Zetor 25AZetor tractorfarm tractor25 hp tractor2-cylinder diesel tractorstandard-tread tractortractor specifications
Power25 hp
Founded1946 - 1948
Model25A

Technical Specifications

Detailed specifications and technical data for Zetor 25A

Power

Engine power:25 hp (18.6 kW)

Tires

Rear tire:11.25-24
Front tire:5.50-16

Engine

Type:diesel, 2-cylinder, liquid-cooled
Model:Zetor 2.1L 2-cyl diesel
Power:25 hp (18.6 kW)
Fuel tank:11.9 gal (45.0 L)
Rated RPM:1800
Bore/Stroke:4.134x4.724 inches (105 x 120 mm)
Compression:18:1
Displacement:126.8 ci (2.1 L)
Starter power:4 hp (3.0 kW)
Starter volts:12

Variants

25A:standard chassis
25K:row-crop chassis

Dimensions

Length:126 inches (320 cm)
Weight:4026 lbs (1826 kg)
Wheelbase:74.8 inches (189 cm)
Rear tread:47.2 to 59.1 inches (119 to 150 cm)
Front tread:47.2 to 59.1 inches (119 to 150 cm)
Clearance (front axle):16.5 inches (41 cm)

Electrical

Ground:negative
Battery AH:150
Battery volts:12
Charging amps:12.5
Charging system:generator

Mechanical

Drive:Two-wheel drive
Operator station:Open operator station

Production

Type:Standard-tread tractor
Built in:Brno, Czechoslovakia
Total built:158,570
Years produced:1949 - 1961

Transmission

Type:gear
Gears:6 forward and 2 reverse
Clutch:dry disc

Power Take-off (PTO)

Rear PTO:live
Engine RPM:535@1600
Rear PTO Type:540

Related Models

Zetor 25K

Model:25K