Introduction
Zetor 5545 Agricultural Tractor
The Zetor 5545 is a four-wheel drive agricultural tractor produced by Zetor in Brno, Czechoslovakia, between 1968 and 1972. It belongs to the 5511 series and was engineered as a versatile utility tractor for various field operations.
Engine and Performance
The tractor is powered by a 3.1-liter, 4-cylinder diesel engine with direct injection. It produces a rated output of 56 horsepower (41.8 kW) at 2200 engine RPM. The engine features a bore/stroke ratio of 95 x 110 mm and provides a peak torque of 132.4 lb-ft (179.5 Nm) at 1470 RPM, with a compression ratio of 17.9:1.
Transmission and Drivetrain
The 5545 utilizes a manual gear transmission providing 10 forward and 2 reverse speeds. Power is transferred via a dry disc clutch. The tractor is equipped with a four-wheel drive system, mechanical rear differential lock, and spur gear final drives to improve traction and power delivery in challenging terrain.
Hydraulics and Hitch
The hydraulic system is of the open-center type, operating at a pressure of 2134 psi (147.1 bar) with one valve. The rear hitch is compatible with Category II/I implements and includes both position and draft control. It offers a lift capacity of 3080 lbs (1397 kg) at the ends of the arms.
Dimensions and Handling
The unit features a wheelbase of 89 inches (226 cm) and a base weight of 5622 lbs (2550 kg). It is equipped with hydraulic drum brakes and manual steering. The tractor configuration includes an open operator station and stands on agricultural tires sized 8-24 at the front and 13-28 at the rear.
Conclusion
The Zetor 5545 is a robust, mechanically straightforward tractor designed for standard agricultural tasks. Its four-wheel drive capability and balanced lift capacity make it a suitable machine for small to medium-sized farming operations of its era.
Production Information of Zetor, 5545
- Built in Brno, Czechoslovakia
| Manufacturer | Zetor |
|---|
Dimension and Tires Information of Zetor, 5545
| Wheelbase | 89 inches [226 cm] |
|---|---|
| Weight | 5622 lbs [2550 kg] |
| Ag front | 8-24 |
|---|---|
| Ag rear | 13-28 |
Engine Specifications of Zetor, 5545
- Zetor
- Diesel
- 4-cylinder
| Torque RPM | 1470 |
|---|---|
| Bore/Stroke | 3.74x4.33 inches [95 x 110 mm] |
| Displacement | 190.4 ci [3.1 L] |
| Compression | 17.9:1 |
| Power | 56 hp [41.8 kW] |
| Torque | 132.4 lb-ft [179.5 Nm] |
| Rated RPM | 2200 |
| Fuel system | Direct injection |
Transmission Information of Zetor, 5545
Transmission variants 1
| Type | Gear |
|---|---|
| Gears | 10 forward and 2 reverse |
| Clutch | Dry disc |
Mechanical Specs of Zetor, 5545
- Four-wheel drive
- Hydraulic drum brakes
- Manual steering
- Open operator station.
| Final drives | Spur gear |
|---|---|
| Differential lock | Mechanical rear |
Power Information of Zetor, 5545
| Rear PTO | Live |
|---|---|
| Rear PTO Type | 540 (1.375) |
| Engine RPM | 540@2000 |
Hydraulics Specifications of Zetor, 5545
| Type | Open center |
|---|---|
| Pressure | 2134 psi [147.1 bar] |
| Valves | 1 |
Three-Point Hitch of Zetor, 5545
| Rear Type | II/I |
|---|---|
| Control | Position and draft control |
| Rear lift (at ends) | 3080 lbs [1397 kg] |
Where it sits
Its power puts it in the 58th percentile of 1960s models in our database (709 machines).
Frequently asked questions
How much horsepower does the Zetor 5545 have?
The Zetor 5545 delivers 56 HP.
What years was the Zetor 5545 produced?
The Zetor 5545 was produced in 1968-1972.
What engine does the Zetor 5545 have?
The Zetor 5545 is powered by a Diesel, 4-cylinder engine.
What transmission does the Zetor 5545 use?
The Zetor 5545 uses a Gear transmission.
How much does the Zetor 5545 weigh?
The Zetor 5545 weighs 5622 lbs [2550 kg].
Is the Zetor 5545 4WD?
The Zetor 5545 is available in 4WD.