Overview
The Zetor 25K is a row-crop tractor manufactured in Brno, Czechoslovakia, between 1948 and 1961. It is powered by a 25 hp liquid-cooled diesel engine and features a 6-speed gear transmission with a live rear PTO.
Ideal Applications
Row-Crop Operations:
This variant utilizes a row-crop chassis with a high 20.5-inch front axle clearance and adjustable front tread widths ranging from 48.3 to 59.8 inches.
Power Take-Off Work:
The tractor is equipped with a live 540 RPM rear PTO, capable of reaching 535 RPM at an engine speed of 1600 RPM for powering implements.
General Utility:
With a 4310-pound operating weight and a 12.5-amp charging system, this 2WD tractor provides a stable platform for a variety of farm tasks using its 6 forward and 2 reverse gears.
Production
| Description | Row-Crop tractor / Built in Brno, Czechoslovakia |
|---|---|
| Manufacturer | Zetor |
Engine
| Engine type | Zetor 2.1L 2-cyl diesel |
|---|---|
| Fuel tank | 11.9 gal (45.0 L) |
| Bore/Stroke | 4.134x4.724 inches (105 x 120 mm) |
| Compression | 18:1 |
| Description | Zetor / diesel / 2-cylinder / liquid-cooled |
| Displacement | 126.8 ci (2.1 L) |
| Power | 25 hp (18.6 kW) |
| Rated RPM | 1800 |
| Starter power | 4 hp (3.0 kW) |
| Starter volts | 12 |
Transmission
| Clutch | dry disc |
|---|---|
| Gears | 6 forward and 2 reverse |
| Transmission type | 6-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Drive type | Two-wheel drive |
PTO
| Engine RPM | 535@1600 |
|---|---|
| Rear PTO | live |
| Rear PTO Type | 540 |
Electrical
| Battery AH | 150 |
|---|---|
| Battery volts | 12 |
| Charging amps | 12.5 |
| Charging system | generator |
| Ground | negative |
Dimensions & Tires
| Clearance (front axle) | 20.5 inches (52 cm) |
|---|---|
| Front tread | 48.3 to 59.8 inches (122 to 151 cm) |
| Length | 126 inches (320 cm) |
| Weight | 4310 lbs (1955 kg) |
| Wheelbase | 74.8 inches (189 cm) |
| Front tire | 5.50-16 |
| Rear tire | 9-36 |
| Weight | 4310 lbs (1955 kg) |
| Wheelbase | 74.8 inches (189 cm) |
| Ag front | 5.50-16 |
| Ag rear | 9-36 |
Variants
| 25A | standard chassis |
|---|---|
| 25K | row-crop chassis |