Kuiper FL 4.5 DL
Built: 1989-1989 · Series: Trailers 3.5–10 t (Class O3)
More machines from model year 1989
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Kuiper Anhänger 3,5–10 t (Class O3) – Dutch mid-weight trailers, KD range, 1.25 to 8.1 t kerb weight, up to 10 t gross weight
Class O3 covers trailers from 3.5 to 10 t gross vehicle weight – the mid-weight class between light car trailers (O2) and heavy semi-trailers (O4). Kuiper is a Dutch builder of such trailers whose core range is the "KD" series; the following number (such as KD6002, KD7402, KD9005) distinguishes the range's build sizes, while suffixes such as "VK" or "Z" mark body or axle variants. Unlike the overrun brake of the lighter class O2, class O3 requires a stronger braking system, usually air- or hydraulically assisted, with ABS or EBS, since the simple overrun brake reaches its technical limits from this weight class upward.
Read on 3 more paragraphs
The register lists 88 versions with kerb weights from 1,250 to 8,080 kg, gross vehicle weights from 3,990 to 10,000 kg, lengths from 5,130 to 13,850 mm and widths from 1,600 to 2,550 mm.
Trailers of this weight class require a towing vehicle with a matching towing capacity and usually a BE or C1E licence category; they serve in construction, landscaping and transport for loads too heavy for an O2 trailer but not requiring a semi-trailer.
Used, what counts is the condition of axles, braking system and overrun device, frame cracks at heavily loaded attachment points, the condition of ramps or side boards depending on the body, and the function of the lighting system; spare parts are available through the Dutch and neighbouring specialist trade. On the multi-axle versions, a tandem axle spreads the load onto the tyres more evenly than a single axle; which coupling fits depends on the nose weight, which on the heavier KD models usually calls for a drawbar eye rather than a ball coupling.
Sources: SpecCodex register, model data: Kuiper Anhänger 3,5–10 t (Klasse O3)
Technical data
Dimensions and weights
| Length | 10,230 mmcorrect |
|---|---|
| Width | 2,410 mmcorrect |
| Wheelbase | 7,000 mmcorrect |
| Unladen weight | 2,700 kgcorrect |
| Gross vehicle weight | 10,000 kgcorrect |
Drivetrain and chassis
| Top speed | 100 km/hcorrect |
|---|
Frequently asked questions
How much does the Kuiper FL 4.5 DL weigh?
The unladen weight is 2,700 kg.
What is the gross vehicle weight of the Kuiper FL 4.5 DL?
10,000 kg.
Up to what speed is the Kuiper FL 4.5 DL approved?
Approved up to 100 km/h.
What are the dimensions of the Kuiper FL 4.5 DL?
10,230 mm × 2,410 mm.
When was the Kuiper FL 4.5 DL built?
Production years: 1989.
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
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Trailer in 3D section
Turn the model, look inside and click an assembly — each one is explained.