Primus P-14
Built: 1949–1950 · Series: P-Baureihe
More machines from model year 1949
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Primus P-14 (1949-1950): water-cooled single-cylinder diesel tractor with 10.3 kW output and a top speed of 15 km/h from the P series
The P-14 was built in 1949 and 1950 as a small farm tractor of the P series and, like many models from these early post-war years, belongs to the group of simple single-cylinder diesels aimed at smaller agricultural holdings.
Read on 3 more paragraphs
The water-cooled single-cylinder engine displaces 1,178 cm³ and delivers 10.3 kW at 1,500 rpm, equivalent to 14 horsepower. With a weight of 1,250 kg, a wheelbase of 1,450 mm and a width of 1,650 mm that clearly exceeds the wheelbase, plus a top speed of 15 km/h, the P-14 was built for stable fieldwork rather than road travel.
Single-cylinder diesel engines of around one litre displacement and rated outputs of 10 to 15 horsepower characterised the lowest power class of small farm tractors in the 1940s and early 1950s; they were simple, rugged and aimed at holdings that had previously worked with draught animals. A track width large relative to the wheelbase improved stability when working on slopes.
When buying a used Primus P-14, the coolant lines and radiator should be checked for corrosion, since rust inside the narrow water jacket is common on water-cooled single-cylinder engines of this age. The clutch and simple gearbox also deserve a test drive, as new spare parts for this rare maker are hard to source today. A careful pressure test of the water jacket before purchase can save considerable trouble later.
Sources: SpecCodex-Register: Kennwerte des Modells P-14
Technical data
Engine
| Fuel | dieselcorrect |
|---|---|
| Power | 14 hp (10.3 kW)correct |
| Rated speed | 1,500 rpmcorrect |
| Cylinders | 1correct |
| Displacement | 1,178 cm³correct |
| Bore | 100 mmcorrect |
| Stroke | 150 mmcorrect |
| Injection pressure | 100 barcorrect |
| Cooling | water-cooledcorrect |
Dimensions and weights
| Length | 2,400 mmcorrect |
|---|---|
| Width | 1,650 mmcorrect |
| Height | 1,500 mmcorrect |
| Wheelbase | 1,450 mmcorrect |
| Unladen weight | 1,250 kgcorrect |
Drivetrain and chassis
| Drive | rear-wheel drivecorrect |
|---|---|
| Gearbox | 4 V/1 Rcorrect |
| Forward gears | 4correct |
| Reverse gears | 1correct |
| Front tyres | 5.00-16 ASFcorrect |
| Rear tyres | 8.00-20 AScorrect |
| Top speed | 15 km/hcorrect |
Origin and approval
| Construction | unit construction (no separate frame)correct |
|---|
Where this model stands
Power-to-weight ratio: 8.2 kW/t (10 kW / 1.2 t)
Power class: Compact (< 40 hp)
Stronger than 3% 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 Primus P-14 have?
The Primus P-14 delivers 14 hp.
How much does the Primus P-14 weigh?
The unladen weight is 1,250 kg.
What engine does the Primus P-14 have?
1 cylinders, 1,178 cm³ displacement, Diesel.
How fast does the Primus P-14 go?
Top speed is 15 km/h.
What are the dimensions of the Primus P-14?
2,400 mm × 1,650 mm × 1,500 mm.
When was the Primus P-14 built?
Production years: 1949–1950.
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 24 individual figures for this model. They come from 1 recorded source; 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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Sources: [1]
Tractor in 3D section
Turn the model, look inside and click an assembly — each one is explained.