Faymonville STZ -3UB
Built: 2005 · Series: STZ
More machines from model year 2005
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
Faymonville STZ – low-bed semi-trailers from Büllingen in Belgium: gross weights from 36,000 to 50,000 kg, lengths from 13,100 to 25,900 mm
The STZ range from Faymonville comprises low-bed semi-trailers for heavy haulage, built in Büllingen, Belgium. The suffixes in the type designations, such as 2A, 2UB, 3UB, 2U and 5AX, mark different axle configurations, allowing axle count and payload to be matched to the load in question.
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The register lists here 6 versions with gross weights from 36,000 to 50,000 kg and unladen weights from 6,000 to 14,220 kg. Lengths range from 13,100 to 25,900 mm, widths from 2,540 to 2,550 mm.
Semi-trailers with a lowered deck carry construction machinery, wind-turbine components and industrial plant whose height would exceed a normal deck; extendable versions in the STZ range also cover oversized loads such as rotor blades or steel girders. Faymonville, alongside Goldhofer, ranks among the leading European manufacturers in this heavy-haulage segment. The spread from a classic semi-trailer to extendable versions lets a single operator cover several kinds of oversized loads.
Buying one of these low-bed semi-trailers used, the condition of the frame and low deck for cracks and rust, the function of the axles, steering axles and braking system, the wear of the loading ramps and, on extendable versions, the condition of the telescopic guide all matter. The kingpin, air suspension and a valid axle inspection are also part of the check before taking it over.
Sources: SpecCodex register, model data: Faymonville STZ, Faymonville
Technical data
Dimensions and weights
| Length | 13,500 mmcorrect |
|---|---|
| Width | 2,550 mmcorrect |
| Wheelbase | 9,700 mmcorrect |
| Unladen weight | 12,500 kgcorrect |
| Gross vehicle weight | 45,000 kgcorrect |
Drivetrain and chassis
| Top speed | 100 km/hcorrect |
|---|
Frequently asked questions
How much does the Faymonville STZ -3UB weigh?
The unladen weight is 12,500 kg.
What is the gross vehicle weight of the Faymonville STZ -3UB?
45,000 kg.
Up to what speed is the Faymonville STZ -3UB approved?
Approved up to 100 km/h.
What are the dimensions of the Faymonville STZ -3UB?
13,500 mm × 2,550 mm.
When was the Faymonville STZ -3UB built?
Production years: 2005.
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 8 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.
