Feld Stam ZAA 18
Built: 2022 · Series: Other models
More machines from model year 2022
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
Feld Stam ZAA 18 – O4-class trailer built in 2022: 18,000 kg gross weight, 13,160 kg payload, four-wheel tandem-axle chassis.
With a gross weight of 18,000 kg, the ZAA 18 falls into EU trailer class O4, well above the 10-tonne threshold. As with other trailers carrying the "ZAA" prefix, the type designation carries the weight class directly in its name: "18" stands for 18 tonnes gross weight.
Read on 3 more paragraphs
With an unladen weight of 4,840 kg, payload comes to 13,160 kg, more than two-thirds of the gross weight. The trailer runs on four wheels, i.e. a tandem axle, with a 6.90 m wheelbase. At 9.84 m long and 2.55 m wide, the ZAA 18 is a vehicle with a long load bed at a comparatively low unladen weight.
From class O3 upwards, trailers are generally fitted with air brakes rather than the simple overrun brake used on light trailers. Towing it as a combination requires licence category C1E or CE in the EU, depending on combined train weight. Built in 2022, the ZAA 18 is one of the newer vehicles in the register, with correspondingly up-to-date brake and lighting technology.
When buying a still-young tandem-axle trailer like this, despite its low age it is worth checking the axle bearings for early wear, the brake linings for even wear between the two axles, the load bed for damage from prior use, and the coupling and electrical connections for proper function. Even on a young trailer it is worth confirming that all lighting and reflective markings match the current registration documents.
Sources: SpecCodex-Register: Kennwerte des Modells Feld Stam ZAA 18, Zulassungsdaten RDW (Niederlande)
Technical data
Dimensions and weights
| Length | 9,840 mmcorrect |
|---|---|
| Width | 2,550 mmcorrect |
| Wheelbase | 6,900 mmcorrect |
| Unladen weight | 4,840 kgcorrect |
| Gross vehicle weight | 18,000 kgcorrect |
Drivetrain and chassis
| Wheels | 4correct |
|---|---|
| Top speed | 100 km/hcorrect |
Frequently asked questions
How much does the Feld Stam ZAA 18 weigh?
The unladen weight is 4,840 kg.
What is the gross vehicle weight of the Feld Stam ZAA 18?
18,000 kg.
Up to what speed is the Feld Stam ZAA 18 approved?
Approved up to 100 km/h.
What are the dimensions of the Feld Stam ZAA 18?
9,840 mm × 2,550 mm.
When was the Feld Stam ZAA 18 built?
Production years: 2022.
What to check before buying
- Search the frame and welds at the axle mounts — that is where cracks start.
- Check the brakes and the last inspection in the papers.
- Work the gross weight against the towing vehicle before buying.
- Compare the chassis number with the papers.
- Look at the floor, cover or body from the inside — rust does not show from outside.
A general list for this type of machine — no substitute for an inspection or an appraiser.
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This page carries 9 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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Sources: RDW — Dutch national vehicle register (retrieved August 2026) · How we check the data
Trailer in 3D section
Turn the model, look inside and click an assembly — each one is explained.
