Zetor
Zetor 5545
The Zetor 5545 is a farm tractor produced by Zetor in Brno, Czechoslovakia from 1968 to 1972. It features a 3.1L 4-cylinder diesel engine producing 56 hp (41.8 kW) with a 10-speed gear transmission. The tractor has four-wheel drive with mechanical rear differential lock and hydraulic drum brakes. It includes an open operator station and an open center hydraulic system with 2134 psi pressure. The rear hitch is type II/I with position and draft control, capable of lifting 3080 lbs (1397 kg). The PTO is live with a 540 rpm at 2000 engine RPM. The tractor weighs 5622 lbs (2550 kg) and has a wheelbase of 89 inches (226 cm). Tires are 8-24 front and 13-28 rear. Variants include the 5511 (2WD open), 5545 (4WD open), and 5611 (2WD cab).
Power56 hp
Founded1968 - 1972
Model5545
Technical Specifications
Detailed specifications and technical data for Zetor 5545
Power
| Engine | 56 hp (41.8 kW) |
|---|---|
| PTO (claimed) | 53.9 hp (40.2 kW) |
| Drawbar (claimed) | 48 hp (35.8 kW) |
Engine
| Type | Zetor 3.1L 4-cyl diesel |
|---|---|
| Power | 56 hp (41.8 kW) |
| Torque | 132.4 lb-ft (179.5 Nm) |
| Rated RPM | 2200 |
| Torque RPM | 1470 |
| Bore/Stroke | 3.74x4.33 inches (95 x 110 mm) |
| Compression | 17.9:1 |
| Fuel system | direct injection |
| Displacement | 190.4 ci (3.1 L) |
Variants
| 5511 | 2WD open |
|---|---|
| 5545 | 4WD open |
| 5611 | 2WD cab |
Hydraulics
| Type | open center |
|---|---|
| Valves | 1 |
| Pressure | 2134 psi (147.1 bar) |
Mechanical
| Brakes | Hydraulic drum brakes |
|---|---|
| Steering | Manual |
| Final drives | spur gear |
| Four-wheel drive | Yes |
| Operator station | Open operator station |
| Differential lock | mechanical rear |
Production
| Built in | Brno, Czechoslovakia |
|---|---|
| Manufacturer | Zetor |
| Years produced | 1968 - 1972 |
Transmission
| Type | gear |
|---|---|
| Gears | 10 forward and 2 reverse |
| Clutch | dry disc |
Tractor hitch
| Control | position and draft control |
|---|---|
| Rear Type | II/I |
| Rear lift (at ends) | 3080 lbs (1397 kg) |
Dimensions & Tires
| Weight | 5622 lbs (2550 kg) |
|---|---|
| Rear tire | 13-28 |
| Wheelbase | 89 inches (226 cm) |
| Front tire | 8-24 |
Power Take-off (PTO)
| Rear PTO | live |
|---|---|
| Engine RPM | 540@2000 |
| Rear PTO Type | 540 (1.375) |