Zetor 5945
Series: UR1 Serie 9
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Zetor UR1 Series 9 – types 5911 SK, 5945 and 5945 SK of the Brno Unified Range I: four-cylinder diesels, around 40 kW, 55 hp, 3,432 cm³, 2.7 to 3.2 t unladen weight
The UR1 Series 9 is another register section from Zetor's Unified Range I developed in Brno, bringing together the types 5911 SK, 5945 and 5945 SK; the prefix 59 marks the size class, while the end digits 11 and 45 distinguish different versions of the same power step. Like the whole UR I, the range was built with Zetor's own diesel engines into the 1990s.
Read on 3 more paragraphs
The register lists 3 versions with around 40 kW (55 hp) from four-cylinder diesel engines of 3,432 cm³ displacement at 2,200 rpm. Unladen weights range from 2,700 to 3,200 kg, hydraulic lift capacity is 1,700 kg, length is 3,770 mm, width ranges from 1,840 to 1,990 mm and height is 2,450 mm.
In this power class the range was a standard tractor for medium-sized farms in Czechoslovakia and in the export markets of the Comecon states and Western Europe, where Zetor tractors were valued for their rugged, simple engineering. Implements, PTO and three-point hydraulics made the types 5911 SK, 5945 and 5945 SK versatile tractors for fieldwork, transport and yard duty.
When buying used, check clutch and gearbox, the tightness of the hydraulics, rust on cab and wings, and the cylinder head and injection pump of the diesel engine; parts for engine and drivetrain are available through the Czech Zetor parts trade, with wear parts such as clutch discs and brake linings also found through independent suppliers of Eastern European farm machinery.
Sources: SpecCodex register, model data: Zetor UR1 Serie 9
Technical data
Engine
| Power | 55 hp (40 kW)correct |
|---|---|
| Rated speed | 2,200 rpmcorrect |
| Cylinders | 4correct |
| Displacement | 3,432 cm³correct |
| Bore | 100 mmcorrect |
| Stroke | 110 mmcorrect |
Dimensions and weights
| Length | 3,770 mmcorrect |
|---|---|
| Width | 1,990 mmcorrect |
| Height | 2,450 mmcorrect |
| Wheelbase | 2,250 mmcorrect |
| Ground clearance | 355 mmcorrect |
| Unladen weight | 3,020 kgcorrect |
Drivetrain and chassis
| Gearbox | 10V+2R ?correct |
|---|---|
| Front tyres | 7.50-16correct |
| Rear tyres | 16, 9-28correct |
| Top speed | 25 km/hcorrect |
Working data
| Lifting capacity | 1,700 kgcorrect |
|---|
Where this model stands
Power-to-weight ratio: 13.2 kW/t (40 kW / 3 t)
Power class: Universal (40–100 hp)
Stronger than 37% of the tractors in the register — out of 15,663 models with a stated power figure.
Calculated from the documented figures above — not a rating.
Frequently asked questions
How much power does the Zetor 5945 have?
The Zetor 5945 delivers 55 hp.
How much does the Zetor 5945 weigh?
The unladen weight is 3,020 kg.
What engine does the Zetor 5945 have?
4 cylinders, 3,432 cm³ displacement.
How fast does the Zetor 5945 go?
Top speed is 25 km/h.
How much does the rear linkage of the Zetor 5945 lift?
The rear linkage lifts 1,700 kg.
What are the dimensions of the Zetor 5945?
3,770 mm × 1,990 mm × 2,450 mm.
What to check before buying
- Check the hour meter against the service records — a replaced instrument is the most common gap.
- Compare the data plate and chassis number with the papers.
- Check the weights in the papers against the figures here — attachments change them.
- Check front and rear tyre sizes: mismatched pairs strain the drivetrain.
- Shift the gearbox cold and warm — jumps only show up at temperature.
- Load the hydraulics and watch for sag.
- Ask about parts availability for this build year — the running costs hang on it.
A general list for this type of machine — no substitute for an inspection or an appraiser.
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This page carries 19 individual figures for this model. They come from 3 recorded sources; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.
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