The Zetor 25A is a compact tractor model rated at 25 hp, making it suitable for smaller-scale operations. Manufactured from 1949 to 1961, it features a 2-cylinder diesel liquid-cooled engine, coupled with a 6-speed gearbox and two-wheel drive. The tractor has a listed weight of 1826 kg and is designed for tasks involving around 200 acres.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
25 hp
Weight
1826 kg
Catalogue coverage
Variants represented
2
Richest spec table
46 rows
Recorded power
25 hp
Recorded weight
1826 kg
Transmissions
6-speed gear
Production years
1949-1961
Verified variants
0
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Overview
ManufacturerZetorReference
Standard-tread tractorReference
Built in Brno, CzechoslovakiaReference
Total built158,570Reference
Two-wheel driveReference
Open operator station.Reference
Variants
25Astandard chassisReference
25Krow-crop chassisReference
Engine
Zetor 2.1L 2-cyl dieselReference
Fuel tank45.0 LReference
Engine18.6 kWReference
ZetorReference
dieselReference
2-cylinderReference
liquid-cooledReference
Displacement2.1 LReference
Bore/Stroke105 x 120 mmReference
Power18.6 kWReference
Compression18:1Reference
Rated RPM1800Reference
Starter volts12Reference
Starter power3.0 kWReference
Transmission
6-speed gearReference
TypegearReference
Gears6 forward and 2 reverseReference
Clutchdry discReference
PTO & Hydraulics
Rear PTOliveReference
Rear PTO Type540Reference
Engine RPM535@1600Reference
Dimensions
Wheelbase189 cmReference
Weight1826 kgReference
Front tire5.50-16Reference
Rear tire11.25-24Reference
Ag front5.50-16Reference
Ag rear11.25-24Reference
Length320 cmReference
Clearance (front axle)41 cmReference
Front tread119 to 150 cmReference
Rear tread119 to 150 cmReference
Links
Zetor Model 25 A: Photos and information on the 25A from Kurt RistniemiReference
Zetor 25: Photos, data, and wiring information on the 25 in FinlandReference
Electrical
GroundnegativeReference
Charging systemgeneratorReference
Charging amps12.5Reference
Battery volts12Reference
Battery AH150Reference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.
