Ursus C-308
Built: 1959–1963 · Series: C
More machines from model year 1959
Not the right version? The data comes from vehicle registers holding many near-identical versions side by side. Photograph the data plate — we read make and type from it. Open the scanner e-mail address required
Ursus C – early post-war tractors from the Polish maker Ursus: the small C-308 and the single-cylinder C-45, 5.9 to 33.1 kW (8 to 45 hp)
The C range brings together two very different early models from the Polish Ursus tractor works near Warsaw: the small C-308 and the heavy single-cylinder C-45. Both carry the factory's terse C type logic, yet differ fundamentally in size, weight and engine design – the C-308 ran on two-stroke petrol-oil mix, the C-45 as a multi-fuel engine able to take several kinds of fuel. Ursus was the central Polish tractor works of the post-war era, and it built its first independent designs in exactly this phase.
Read on 3 more paragraphs
The register lists 2 versions with 5.9 to 33.1 kW (8 to 45 hp) from single-cylinder engines, unladen weights of 270 to 3,750 kg, lengths of 2,700 to 3,522 mm, widths of 695 to 1,835 mm, heights of 970 to 2,190 mm and rated speeds of 630 to 2,400 rpm.
Ursus was the central tractor brand of socialist Poland, supplying farms across the country and export markets in the Eastern Bloc for decades; the early C models mark the build-up of an independent Polish tractor production in the first post-war years, long before the brand gained international standing with larger, licence-built ranges.
On used examples, the condition of cylinder and piston, the tightness of the fuel system, the state of clutch, gearbox and brakes, and rust on sheet-metal parts and the frame all count; spare parts for these early types are scarce and run almost entirely through collectors and specialist restorers.
Sources: SpecCodex register, model data: Ursus C, Ursus (manufacturer)
Technical data
Engine
| Fuel | Zweitaktgemischcorrect |
|---|---|
| Power | 8 hp (5.9 kW)correct |
| Rated speed | 2,400 rpmcorrect |
| Cylinders | 1correct |
| Displacement | 372 cm³correct |
| Cooling | air-cooledcorrect |
Dimensions and weights
| Length | 2,700 mmcorrect |
|---|---|
| Width | 695 mmcorrect |
| Height | 970 mmcorrect |
| Ground clearance | 240 mmcorrect |
| Unladen weight | 270 kgcorrect |
Drivetrain and chassis
| Drive | single-axle drivecorrect |
|---|---|
| Gearbox | 3/1-Getriebecorrect |
| Forward gears | 3correct |
| Front tyres | 6, 00 x 16"correct |
| Top speed | 13 km/hcorrect |
Working data
| Fuel tank capacity | 15 lcorrect |
|---|
Origin and approval
| Construction | (Einachser)correct |
|---|
Other data
| PTO speed | 730 rpmcorrect |
|---|
Where this model stands
Power-to-weight ratio: 21.9 kW/t (6 kW / 0.3 t)
Power class: Compact (< 40 hp)
Stronger than 1% 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 Ursus C-308 have?
The Ursus C-308 delivers 8 hp.
How much does the Ursus C-308 weigh?
The unladen weight is 270 kg.
What engine does the Ursus C-308 have?
1 cylinders, 372 cm³ displacement, Zweitaktgemisch.
How fast does the Ursus C-308 go?
Top speed is 13 km/h.
What are the dimensions of the Ursus C-308?
2,700 mm × 695 mm × 970 mm.
When was the Ursus C-308 built?
Production years: 1959–1963.
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 21 individual figures for this model. They come from 2 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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Other models in this series
Sources: Wikibooks Traktorenlexikon (CC BY-SA 4.0) (retrieved August 2026) · Wikipedia (retrieved August 2026) · How we check the data
Tractor in 3D section
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