Bischoff AS 15 WA
Built: 1951–1954 · Series: AS
More machines from model year 1951
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Bischoff AS – other models: the collective page of the small tractors AS 15 WA, AS 15 WB and AS 28, 11 kW, 15 to 28 hp, one- and two-cylinders of 1,178 to 2,356 cm³, diesel engines
This page gathers the three recorded Bischoff tractors of the AS range: the AS 15 in the WA and WB versions and the AS 28. These are small tractors with one- and two-cylinder diesel engines, as used on Central European smallholdings and part-time farms and for grassland care.
Read on 3 more paragraphs
The register lists here 3 versions with 11 kW, or 15 to 28 hp, from one- to two-cylinders of 1,178 to 2,356 cm³, unladen weights from 1,365 to 1,830 kg, lengths from 2,535 to 2,625 mm, a width of 1,470 mm and heights from 1,465 to 1,575 mm.
Small tractors of this power class served mainly fodder and grassland farming and transport on small holdings, where their light weight and compact dimensions made work in confined spaces and on slopes easier.
Buyers of used units should check the engine and clutch for operating hours and oil leaks, as well as the gearbox, brakes and hydraulics and rust on the bodywork, mudguards and frame; on these older short production runs original parts are rare, so many repairs can only be solved with reproduction parts or components from related engine ranges. Before buying it is also worth checking the PTO and the lift linkage, whose wear on these small vintage machines is often underestimated.
Sources: SpecCodex register, model data: Bischoff AS
Technical data
Engine
| Fuel | dieselcorrect |
|---|---|
| Power | 15 hp (11 kW)correct |
| Cylinders | 1correct |
| Displacement | 1,178 cm³correct |
Dimensions and weights
| Length | 2,535 mmcorrect |
|---|---|
| Width | 1,470 mmcorrect |
| Height | 1,465 mmcorrect |
| Wheelbase | 1,670 mmcorrect |
| Unladen weight | 1,365 kgcorrect |
Drivetrain and chassis
| Drive | rear-wheel drivecorrect |
|---|---|
| Gearbox | 4/1- oder 5/1-Getriebecorrect |
| Forward gears | 5correct |
| Reverse gears | 1correct |
| Front tyres | 5.00-16correct |
| Rear tyres | 8-20correct |
| Top speed | 16.75 km/hcorrect |
Origin and approval
| Construction | frameless unit constructioncorrect |
|---|---|
| Units built | 500correct |
Where this model stands
Power-to-weight ratio: 8.1 kW/t (11 kW / 1.4 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 Bischoff AS 15 WA have?
The Bischoff AS 15 WA delivers 15 hp.
How much does the Bischoff AS 15 WA weigh?
The unladen weight is 1,365 kg.
What engine does the Bischoff AS 15 WA have?
1 cylinders, 1,178 cm³ displacement, Diesel.
How fast does the Bischoff AS 15 WA go?
Top speed is 16.8 km/h.
What are the dimensions of the Bischoff AS 15 WA?
2,535 mm × 1,470 mm × 1,465 mm.
When was the Bischoff AS 15 WA built?
Production years: 1951–1954.
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 20 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
Sources: Wikibooks Traktorenlexikon (CC BY-SA 4.0) (retrieved August 2026) · How we check the data
Tractor in 3D section
Turn the model, look inside and click an assembly — each one is explained.
