Aebi AM 15 und AM 15a
Built: 1968–1981 · Series: AM
More machines from model year 1968
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Aebi AM – the Swiss motor mowers from Burgdorf: two-wheel tractors AM 7 to AM 90, 3 to 10 kW, for hillside meadows and mountain farms
AM stands for Aebi Motormäher: the two-wheel tractors with which Aebi of Burgdorf in the canton of Bern has mown the mountain meadows of Switzerland, Austria and southern Germany since the 1950s. Aebi had built farm machinery since 1883 and with the motor mower became the embodiment of alpine farm technology – where no tractor can stand, an AM mows across the slope with a cutter bar. The range covers small machines such as the AM 7, 8, 9 and 10 with single-cylinder petrol engines, the medium AM 15 to AM 42 and the large AM 50 to AM 90 of the 1970s and 1980s, which also received diesels and served as transporters with a trailer. Later Aebi continued the programme as the CC series (Combicut).
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The type number rises with size and output. In the register the models run from 3.3 to 10.3 kW (7 to 14 hp), 212 to 550 cm³ with one or two cylinders and weights from 110 to 320 kg; 15 of the 18 models with a fuel entry run on petrol, three optionally on diesel. The engines came from suppliers such as MAG, Hirth, Bernard and later Kubota and Lombardini.
The motor mower is a tool carrier: cutter bar for mowing, belt rake, hay pusher, snow blower, plough, load platform and trailer hitch swap on the same PTO. Aebi's 'Hang' (slope) suffix meant differential lock, cage wheels and a low centre of gravity for inclines up to 40 degrees.
Used old AMs are common and cheap, good examples with attachments sought after. When buying, engine condition (compression, ignition on magneto types), gearbox and clutch, the mower with knife and fingers and the cage or lug wheels are what count.
Sources: SpecCodex register, model data: Aebi AM, Aebi Schmidt (manufacturer), Aebi Schmidt (Wikipedia)
Technical data
Engine
| Fuel | petrolcorrect |
|---|---|
| Power | 7 hp (5.1 kW)correct |
| Rated speed | 3200 1 rpmcorrect |
| Cylinders | 1correct |
| Displacement | 260 cm³correct |
| Cooling | air-cooledcorrect |
Dimensions and weights
| Unladen weight | 110 kgcorrect |
|---|
Drivetrain and chassis
| Gearbox | Wendegetriebe mit 3 Gängen, nicht synchronisiertcorrect |
|---|---|
| Front tyres | 4.00x8"correct |
| Top speed | 14.7 km/hcorrect |
Origin and approval
| Units built | 13000 (Serienummern 01000-13999)correct |
|---|
Where this model stands
Power-to-weight ratio: 46.4 kW/t (5 kW / 0.1 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 Aebi AM 15 und AM 15a have?
The Aebi AM 15 und AM 15a delivers 7 hp.
How much does the Aebi AM 15 und AM 15a weigh?
The unladen weight is 110 kg.
What engine does the Aebi AM 15 und AM 15a have?
1 cylinders, 260 cm³ displacement, Benzin.
How fast does the Aebi AM 15 und AM 15a go?
Top speed is 14.7 km/h.
When was the Aebi AM 15 und AM 15a built?
Production years: 1968–1981.
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 12 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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Other models in this series
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Tractor in 3D section
Turn the model, look inside and click an assembly — each one is explained.