Technical register for agricultural, construction and commercial machinery · sourced data
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Happy Trailer DOL 2-18

Built: 2008 · Series: Other models

More machines from model year 2008

Source: truck1.eu

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The DOL 2-18 comes from Happy Trailer. Production: 2008. The vehicle is 5,270 mm long and 2,520 mm wide. The unladen weight is 2,250 kg. The wheelbase measures 1,310 mm. Top speed is 100 km/h. The gross vehicle weight is 18,000 kg. Unladen weight across the Happy Trailer range ranges from 2,250 to 19,900 kg; the DOL 2-18 sits at the bottom of that range with 2,250 kg. Its immediate neighbours are the DRS 2/18 above it with 2,500 kg. Gross vehicle weight across the Happy Trailer range ranges from 12,000 to 47,000 kg; here the DOL 2-18 sits in the lower part of that range with 18,000 kg. 81 Happy Trailer models across 4 series are on record.

Happy Trailer – further models: Nordic collector page of heavy semi-trailers and single-axle trailers outside the main series, 2.25 to 19.9 t kerb weight, 12 to 47 t gross combination weight

Happy Trailer builds heavy trailers and semi-trailers for the Nordic market; model names such as "Stålsemi" (Swedish for steel semi-trailer) point to a sales area spanning Sweden and Finland. This page gathers Happy Trailer models outside the named series, from simple centre-axle trailers to three-axle semi-trailers with tipping, flatbed or enclosed-box bodies.

Read on 3 more paragraphs

The register lists 63 versions with kerb weights from 2,250 to 19,900 kg and a gross combination weight from 12,000 to 47,000 kg. Lengths range from 5.10 to 14.02 m and widths from 2.40 to 2.60 m – typical dimensions for three-axle semi-trailers and heavy centre-axle trailers used in heavy haulage and construction traffic.

Such trailers carry construction machinery, bulk materials, timber and steel products across Scandinavia. Three-axle versions with air suspension and drum or disc brakes dominate heavy haulage, supplemented by steered rear axles for tighter access on building sites; they compete with other Nordic makers of low-loaders and tipping semi-trailers built for the high combination weights permitted there.

When buying used, check the frame and welds (cracking from sustained loads), axles, brakes, suspension air bags and brake discs or drums, the fifth wheel or drawbar coupling with its tow eye, and, on tipping versions, the hydraulic rams and side panels; a look underneath the body quickly reveals corroded cross-members. Axle-assembly spares are available through the usual European commercial-vehicle suppliers.

Sources: SpecCodex register, model data: Happy Trailer (weitere Modelle)

Technical data

Dimensions and weights

Length5,270 mmcorrect
Width2,520 mmcorrect
Wheelbase1,310 mmcorrect
Unladen weight2,250 kgcorrect
Gross vehicle weight18,000 kgcorrect

Drivetrain and chassis

Top speed100 km/hcorrect

Frequently asked questions

How much does the Happy Trailer DOL 2-18 weigh?

The unladen weight is 2,250 kg.

What is the gross vehicle weight of the Happy Trailer DOL 2-18?

18,000 kg.

Up to what speed is the Happy Trailer DOL 2-18 approved?

Approved up to 100 km/h.

What are the dimensions of the Happy Trailer DOL 2-18?

5,270 mm × 2,520 mm.

When was the Happy Trailer DOL 2-18 built?

Production years: 2008.

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

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