Maschinenbau Ernst Wanner Wangen / Allgäu Kleinschlepper
Built: 1949–1951 · Series: Fix
More machines from model year 1949
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Wanner Kleinschlepper Fix: single-cylinder two-stroke engine on an oil-petrol mix, 300 cc, rated at 6.5 hp (4.9 kW) at 3,000 rpm, a tiny post-war tractor for smallholdings, 1949 to 1951
In the years immediately after the Second World War, a great number of small workshops and machine shops sprang up across Germany, building simple, cheap small tractors for farmers who could not afford a full-sized one. The Fix, built between 1949 and 1951, belongs to this wave of early mechanisation on smallholdings.
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The Fix is driven by a fan-cooled single-cylinder engine of 300 cc displacement, running on an oil-petrol mixture at a ratio of 1:20 to 1:25 and rated at 6.5 hp (4.9 kW) at 3,000 rpm. Unladen weight is only 420 kg, at a width of 1,450 mm, length of 2,000 mm and height of 1,350 mm. Top speed is 20 km/h.
Running on an oil-petrol mixture indicates a two-stroke engine, common in simple small units of the period for cost reasons. At just 6.5 hp and 420 kg, the Fix belongs to the smallest class of agricultural tractors, sufficient for light drawbar and drive work on very small plots where larger, more expensive machines were not economically viable.
On a surviving example of such a small tractor, check the two-stroke engine for correct mixture ratio and piston wear, the fan for proper operation, since cooling without water depends entirely on airflow, and the simple chassis for cracking at the welds. Parts for such rare small tractors can practically only be obtained from collectors or as custom-made reproductions.
Sources: SpecCodex-Register: Kennwerte des Modells Maschinenbau Ernst Wanner Kleinschlepper (Fix)
Technical data
Engine
| Fuel | Öl-Benzin-Gemisch 1:20/1:25correct |
|---|---|
| Power | 6.5 hp (4.9 kW)correct |
| Rated speed | 3,000 rpmcorrect |
| Cylinders | 1correct |
| Displacement | 300 cm³correct |
| Cooling | air-cooledcorrect |
Dimensions and weights
| Length | 2,000 mmcorrect |
|---|---|
| Width | 1,450 mmcorrect |
| Height | 1,350 mmcorrect |
| Ground clearance | 250 mmcorrect |
| Unladen weight | 420 kgcorrect |
Drivetrain and chassis
| Drive | rear-wheel drivecorrect |
|---|---|
| Gearbox | (3/1)*2correct |
| Front tyres | 4, 50x16correct |
| Rear tyres | 6, 00x16correct |
| Top speed | 20 km/hcorrect |
Origin and approval
| Construction | frame constructioncorrect |
|---|
Where this model stands
Power-to-weight ratio: 11.7 kW/t (5 kW / 0.4 t)
Power class: Compact (< 40 hp)
Stronger than 0% 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 Maschinenbau Ernst Wanner Wangen / Allgäu Kleinschlepper have?
The Maschinenbau Ernst Wanner Wangen / Allgäu Kleinschlepper delivers 6.5 hp.
How much does the Maschinenbau Ernst Wanner Wangen / Allgäu Kleinschlepper weigh?
The unladen weight is 420 kg.
What engine does the Maschinenbau Ernst Wanner Wangen / Allgäu Kleinschlepper have?
1 cylinders, 300 cm³ displacement, Öl-Benzin-Gemisch 1:20/1:25.
How fast does the Maschinenbau Ernst Wanner Wangen / Allgäu Kleinschlepper go?
Top speed is 20 km/h.
What are the dimensions of the Maschinenbau Ernst Wanner Wangen / Allgäu Kleinschlepper?
2,000 mm × 1,450 mm × 1,350 mm.
When was the Maschinenbau Ernst Wanner Wangen / Allgäu Kleinschlepper built?
Production years: 1949–1951.
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 18 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: Wikibooks Traktorenlexikon (CC BY-SA 4.0) (retrieved August 2026) · Values adopted and presented in our own form; changes from the source are possible. · How we check the data
Tractor in 3D section
Turn the model, look inside and click an assembly — each one is explained.
