Zetor 25A

The Zetor 25A is a tractor produced by Zetor. It is equipped with a 126.8 ci 2.1 L engine. The rated power output is 25 hp 18.6 kW. Transmission: 6 forward and 2 reverse. Operating weight: 4026 lbs 1826 kg.

Overview

	1949 - 1961 Standard-tread tractor
1949 - 1961
Standard-tread tractor

Production
Manufacturer	Zetor
Standard-tread tractor
Built in Brno, Czechoslovakia
Total built	158,570

Variants
25A	standard chassis
25K	row-crop chassis

Zetor 25A Engine
Zetor 2.1L 2-cyl diesel
Fuel tank	11.9 gal 45.0 L
Engine details ...

Zetor 25A Transmission
6-speed gear
Transmission details ...

Zetor 25A Power
Engine	25 hp 18.6 kW

Mechanical
Two-wheel drive
Open operator station.

Power Take-off (PTO)
Rear PTO	live
Rear PTO Type	540
Engine RPM	535@1600

Dimensions & Tires
Wheelbase	74.8 inches 189 cm
Weight	4026 lbs 1826 kg
Front tire	5.50-16
Rear tire	11.25-24
Full dimensions and tires ...

Links
Zetor Model 25 A: Photos and information on the 25A from Kurt Ristniemi
Zetor 25: Photos, data, and wiring information on the 25 in Finland

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

Engine

Engine Detail — 126.8 ci / 2.1 L Diesel

Manufacturer	Zetor
Fuel Type	Diesel
Configuration	2-cylinder, liquid-cooled
Displacement	126.8 ci 2.1 L
Bore/Stroke	4.134x4.724 inches 105 x 120 mm
Power	25 hp 18.6 kW
Compression	18:1
Rated RPM	1800
Starter volts	12
Starter power	4 hp 3.0 kW

Transmission

Transmission — 6 forward and 2 reverse gear

Type	gear
Gears	6 forward and 2 reverse
Clutch	dry disc

Dimensions

Zetor 25A Tires
Ag front	5.50-16
Ag rear	11.25-24

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

Photos

1956 Zetor 25A