Ursus C-325
Built: 1959-1963 · Series: C-325 / C-328 / C-330
More machines from model year 1959
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Ursus C-325, C-328, C-330 – small two-cylinder diesels from the Warsaw plant: 18.4 to 22.4 kW, 1,810 to 1,960 cm³ displacement, 1,460 to 1,700 kg unladen weight
Ursus is the long-established Polish tractor maker with its main plant in the Warsaw district of the same name, building agricultural machinery since the 1920s. From the 1960s the C series supplied small, robust two-cylinder diesels for smaller and medium-sized farms in Poland and neighbouring countries; the three-digit number orders the models within the range by power step. This page gathers the closely related types C-325, C-328 and C-330. Until the political transition of 1989, Ursus belonged to Poland's state-owned agricultural machinery combines and supplied other Eastern Bloc states besides the domestic market.
Read on 3 more paragraphs
The register lists 3 versions with 18.4 to 22.4 kW (25 to 30.5 hp) from two-cylinder diesel engines of 1,810 to 1,960 cm³ displacement, torque of 93 to 100 Nm at 2,000 to 2,200 rpm. Unladen weights range from 1,460 to 1,700 kg, lengths from 3,030 to 3,080 mm, widths from 1,590 to 1,680 mm.
In Polish farming, with its many small and medium-sized plots, these Ursus types were standard equipment for decades, robust, easy to repair and widespread well into the years after the transition; similar two-cylinder Ursus types were also exported to other Eastern Bloc countries. The simple, low-maintenance technology allowed repairs even far from authorised workshops, which explains their long service life on Polish farms.
When buying used, what counts is the condition of the injection pump and piston rings of the two-cylinder engine, clutch and brakes, the tightness of the hydraulics, and corrosion on wings and bonnet; parts for this simple mechanism are usually still available through Polish farm machinery dealers.
Sources: SpecCodex register, model data: Ursus C-325 / C-328 / C-330
Technical data
Engine
| Engine | Ursus S-312, 2 cyl. wysokoprężny, chłodzony cieczącorrect |
|---|---|
| Fuel | dieselcorrect |
| Power | 25 hp (18.4 kW)correct |
| Rated speed | 2,000 rpmcorrect |
| Torque | 93 Nmcorrect |
| Speed at max. torque | 1,700 rpmcorrect |
| Cylinders | 2correct |
| Displacement | 1,810 cm³correct |
| Bore | 98 mmcorrect |
| Stroke | 120 mmcorrect |
| Compression ratio | 16.5correct |
| Cooling | water-cooledcorrect |
Dimensions and weights
| Length | 3,030 mmcorrect |
|---|---|
| Width | 1,680 mmcorrect |
| Height | 1,500 mmcorrect |
| Wheelbase | 1,840 mmcorrect |
| Ground clearance | 400 mmcorrect |
| Unladen weight | 1,460 kgcorrect |
Drivetrain and chassis
| Drive | rear-wheel drivecorrect |
|---|---|
| Gearbox | 6+2correct |
| Forward gears | 6correct |
| Reverse gears | 2correct |
| Front tyres | 6.00-16 ASFcorrect |
| Rear tyres | 10-28 AScorrect |
| Top speed | 20.2 km/hcorrect |
Working data
| Fuel tank capacity | 35 lcorrect |
|---|---|
| Fuel tank capacity | 35 lcorrect |
Origin and approval
| Construction | unit construction (no separate frame)correct |
|---|---|
| Units built | 26,282correct |
Other data
| Linkage category | Cat IIcorrect |
|---|
Where this model stands
Power-to-weight ratio: 12.6 kW/t (18 kW / 1.5 t)
Power class: Compact (< 40 hp)
Stronger than 12% 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-325 have?
The Ursus C-325 delivers 25 hp.
How much does the Ursus C-325 weigh?
The unladen weight is 1,460 kg.
What engine does the Ursus C-325 have?
2 cylinders, 1,810 cm³ displacement, Diesel.
How fast does the Ursus C-325 go?
Top speed is 20.2 km/h.
What are the dimensions of the Ursus C-325?
3,030 mm × 1,680 mm × 1,500 mm.
When was the Ursus C-325 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.
We do not sell machines. We ask the dealers who carry this model and come back with price and lead time.
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This page carries 32 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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