Self-build (Zelfbouw) KT3500
Built: 2004-2004 · Series: Trailers up to 3.5 t (Class O2)
More machines from model year 2004
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
Zelfbouw – self-built trailers up to 3.5 t (class O2) from the Dutch RDW register: not a manufacturer but the entry “self-build”, individual approval instead of type approval, model names as weight, axle count or year
Zelfbouw is Dutch for “self-build” and not a manufacturer: the registration authority RDW keeps the term in the manufacturer field when a trailer was built by its keeper, a farmer or a small business and registered through an individual inspection (individuele keuring) at an RDW test centre – the route prescribed in the Netherlands for every braked trailer over 750 kg gross weight, because these trailers carry a registration plate of their own. This collective page covers class O2 up to 3.5 t. Without a type catalogue the models are designated as they were entered at approval: by gross weight (1300, 2000, 3500), axle count (2 Asser, 3-assige Schamelwagen for the turntable trailer), year of build (1970, 2005) or a running number.
Read on 3 more paragraphs
The register lists 515 versions with kerb weights from 190 to 3,450 kg, gross weights from 800 to 3,500 kg and widths from 1,380 to 2,550 mm.
The Dutch self-built trailer is typically a working vehicle: turntable trailers for farming and horticulture, low loaders for small machinery, boat trailers for the inland waters, sales and market trailers – built from series axles, overrun couplings and lighting from trade suppliers, whose assembly the RDW checks for braking performance, lighting, dimensions and marking.
Anyone taking over such a trailer checks the RDW papers and the registered weights, frame and welds for rust and cracks, overrun brake, brake cables and reversing mechanism, axles, wheel bearings and tyres, coupling and breakaway cable; wear parts usually come from Knott, AL-KO or BPW and are available through trailer dealers.
Sources: SpecCodex register, model data: Zelfbouw Anhänger bis 3,5 t (Klasse O2), Zulassungsdaten RDW (Niederlande), Herstellerfeld zelfbouw, RDW (niederländische Zulassungsbehörde)
Technical data
Dimensions and weights
| Width | 2,200 mmcorrect |
|---|---|
| Wheelbase | 4,230 mmcorrect |
| Unladen weight | 1,310 kgcorrect |
| Gross vehicle weight | 3,500 kgcorrect |
Drivetrain and chassis
| Wheels | 6correct |
|---|---|
| Top speed | 100 km/hcorrect |
Frequently asked questions
How much does the Zelfbouw KT3500 weigh?
The unladen weight is 1,310 kg.
What is the gross vehicle weight of the Zelfbouw KT3500?
3,500 kg.
Up to what speed is the Zelfbouw KT3500 approved?
Approved up to 100 km/h.
When was the Zelfbouw KT3500 built?
Production years: 2004.
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.
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 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
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Trailer in 3D section
Turn the model, look inside and click an assembly — each one is explained.