Self-build (Zie Bijzonderheden) SD 334
Built: 1997 · Series: Trailers over 10 t (Class O4)
More machines from model year 1997
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
Zie Bijzonderheden – heavy trailers over 10 t (class O4) without manufacturer entry in the Dutch RDW register: “see particulars” instead of a brand, showmen's, special and converted vehicles, 2.3 to 48 t kerb weight
Zie bijzonderheden is Dutch for “see particulars” and not a manufacturer: the note with which the registration authority RDW fills the manufacturer field when no brand name can be entered for a vehicle and the details are in the particulars of the registration certificate. In class O4 – trailers over 10 t gross weight – this applies to the special vehicles of heavy haulage: converted or lengthened semi-trailers and turntable trailers, vehicles without type plate after decades in service, imports without EU type approval and the wagons of showmen, registered as Autoscooter, Home Mobile or Container Pusher. The model designations are accordingly axle counts (2 assige, 3 assige aanhangwagen), type codes of the original chassis, company names of bodybuilders or purposes; “geen” simply means “none”.
Read on 3 more paragraphs
The register lists 145 versions with kerb weights from 2,340 to 47,960 kg, gross weights from 11,000 to 48,500 kg, lengths up to 15,350 mm and widths from 2,280 to 2,950 mm.
These vehicles are the reason the RDW register has a particulars field: fairground wagons that roll along the motorway once a year, heavy trailers from owner conversions, special bodies for agriculture and construction that are on the road after individual approval.
Anyone taking over such a vehicle checks the registration certificate with its particulars and inspection deadlines, frame and welds, axles, air suspension and braking system (EBS/ABS on younger bodies), kingpin or drawbar eye, lighting and tyres; parts usually come from axle and brake suppliers such as BPW, SAF and Wabco.
Sources: SpecCodex register, model data: Zie Bijzonderheden Anhänger über 10 t (Klasse O4), Zulassungsdaten RDW (Niederlande), Herstellerfeld „zie bijzonderheden“, RDW (niederländische Zulassungsbehörde)
Technical data
Dimensions and weights
| Length | 13,750 mmcorrect |
|---|---|
| Width | 2,550 mmcorrect |
| Wheelbase | 9,050 mmcorrect |
| Unladen weight | 7,440 kgcorrect |
| Gross vehicle weight | 34,000 kgcorrect |
Drivetrain and chassis
| Top speed | 100 km/hcorrect |
|---|
Frequently asked questions
How much does the Self-build (Zie Bijzonderheden) SD 334 weigh?
The unladen weight is 7,440 kg.
What is the gross vehicle weight of the Self-build (Zie Bijzonderheden) SD 334?
34,000 kg.
Up to what speed is the Self-build (Zie Bijzonderheden) SD 334 approved?
Approved up to 100 km/h.
What are the dimensions of the Self-build (Zie Bijzonderheden) SD 334?
13,750 mm × 2,550 mm.
When was the Self-build (Zie Bijzonderheden) SD 334 built?
Production years: 1997.
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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Other models in this series
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.
