Oeaf S 20 320G1
Built: 1976 · Series: Other models
More machines from model year 1976
Not the right version? The data comes from vehicle registers holding many near-identical versions side by side. Photograph the data plate — we read make and type from it. Open the scanner e-mail address required
ÖAF – other models: the collective page of the Austrian trucks from the Österreichische Automobilfabrik in Vienna outside the named ranges, the 20.230, 20.320 and S 20.320
This page gathers the ÖAF trucks the register could not assign to a named range – the 20-230 G1, 20.320 G5, K 19 250 L and S 20 320G1. The Österreichische Automobilfabrik (ÖAF), with a plant in Vienna-Floridsdorf, built heavy trucks and belonged to the MAN group from the 1970s; the type logic, with the first number giving the weight class and the second the engine power, followed the same scheme as its German parent MAN.
Read on 3 more paragraphs
The register lists here 4 versions from six- to eight-cylinders of 11,094 to 12,763 cm³, unladen weights from 8,300 to 15,570 kg, gross weights from 18,000 to 22,000 kg, lengths from 7,470 to 9,200 mm and widths from 2,300 to 2,500 mm.
ÖAF trucks shaped Austrian long-haul and construction-site operation for decades and competed directly with Steyr on the domestic market; after full integration into the MAN group the standalone brand disappeared, though its vehicles long remained in the fleets of Austrian hauliers.
On these heavy trucks, the condition of the engine and gearbox, the frame and axles, the braking system, and, on construction vehicles, the tipper hydraulics and bed all count; because ÖAF is closely related to MAN technically, many wear parts are available through the MAN spare-parts network.
Sources: SpecCodex register, model data: Oeaf (weitere Modelle), Österreichische Automobilfabrik (Wikipedia)
Technical data
Engine
| Cylinders | 8correct |
|---|---|
| Displacement | 12,763 cm³correct |
Dimensions and weights
| Length | 8,850 mmcorrect |
|---|---|
| Width | 2,500 mmcorrect |
| Wheelbase | 5,200 mmcorrect |
| Unladen weight | 13,090 kgcorrect |
| Gross vehicle weight | 22,000 kgcorrect |
Drivetrain and chassis
| Wheels | 6correct |
|---|
Frequently asked questions
How much does the Oeaf S 20 320G1 weigh?
The unladen weight is 13,090 kg.
What is the gross vehicle weight of the Oeaf S 20 320G1?
22,000 kg.
What engine does the Oeaf S 20 320G1 have?
8 cylinders, 12,763 cm³ displacement.
What are the dimensions of the Oeaf S 20 320G1?
8,850 mm × 2,500 mm.
When was the Oeaf S 20 320G1 built?
Production years: 1976.
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.
- 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 10 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.
The technical data on this page comes from official vehicle registration records (RDW/Traficom), not from the manufacturer.
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Other models in this series
Sources: RDW — Dutch national vehicle register (retrieved August 2026) · How we check the data
Truck in 3D section
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