Technical register for agricultural, construction and commercial machinery · sourced data
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Kuiphuis K4 (K-VIER) – specifications

Built: 2000 · Series: Other models

Data for the version built 2000 · Data origin: Official register · sources

More machines from model year 2000

The photo shows the K25 from the same series. Source: geocaching.com

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

Kuiphuis builds the K4 (K-VIER). According to the available register data, the vehicle dates from 2000. Dimensions: 2,200 mm wide. Empty, it weighs 900 kg. The permitted gross weight is 2,000 kg. Axle to axle, the wheelbase is 770 mm. It reaches up to 100 km/h. According to the Dutch vehicle register, one example of this model is on record.

Kuiphuis – other models: the collective page of a Dutch trailer builder from the K range to closed box trailers, 280 to 9,780 kg unladen weight, up to 35,500 kg gross weight

This page gathers the Kuiphuis trailers the register could not assign to a named range. Kuiphuis is a Dutch trailer maker whose model line-up runs from the simply numbered K range (K1 to K30 and beyond) to specially named versions such as the closed box trailer (recorded in the register as "Gesloten Wagen") and a trailer with a glass-panelled body. The span of weight classes in the register – from small trailers under 300 kg unladen weight to heavy versions with almost 35.5 tonnes gross weight – shows that Kuiphuis carries heavy tandem and tridem-axle units for special transport and plant haulage alongside light car trailers; the exact technical meaning of the individual K type numbers cannot be reliably derived from the model names alone.

Read on 3 more paragraphs

The register lists here 77 versions with unladen weights from 280 to 9,780 kg and gross weights from 800 to 35,500 kg. Lengths range from 4,200 to 13,590 mm, widths from 1,150 to 2,900 mm.

With this range, Kuiphuis covers an unusually broad market segment, from the light boat trailer to the heavy low-loader for construction machinery and containers, as is not uncommon among smaller, regionally active Dutch trailer builders.

When buying used, on the light models the condition of frame, axle and lighting counts, on the heavy versions additionally the condition of the braking system, steering axles and ramps, plus an unbroken inspection history, since load capacity and road safety are directly at stake here; spare parts are mainly sourced through Dutch trailer workshops.

Sources: SpecCodex register, model data: Kuiphuis (weitere Modelle)

Technical data

Dimensions and weights

Width2,200 mmcorrect
Coupling-to-axle distance770 mmcorrect
Unladen weight900 kgcorrect
Gross vehicle weight2,000 kgcorrect

Drivetrain and chassis

Top speed100 km/hcorrect

Frequently asked questions

How much does the Kuiphuis K4 (K-VIER) weigh?

The unladen weight is 900 kg.

What is the gross vehicle weight of the Kuiphuis K4 (K-VIER)?

2,000 kg.

Up to what speed is the Kuiphuis K4 (K-VIER) approved?

Approved up to 100 km/h.

When was the Kuiphuis K4 (K-VIER) built?

Production years: 2000.

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 7 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) · Data sources and cross-checks

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