Technical register for agricultural, construction and commercial machinery · sourced data
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Melroo OPR 5500 ERC

Built: 2010 · Series: Other models

More machines from model year 2010

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

The OPR 5500 ERC comes from Melroo. Production: 2010. The vehicle is 2,450 mm wide. The unladen weight is 1,010 kg. The wheelbase measures 502 mm. Top speed is 100 km/h. The gross vehicle weight is 3,500 kg. The vehicle runs on 6 wheels. Unladen weight within this group ranges from 85 to 84,800 kg; the OPR 5500 ERC sits at the bottom of that range with 1,010 kg. Its immediate neighbours are the ST 140 below it with 1,009 kg and the ROYAL 445 E above it with 1,011 kg. Gross vehicle weight within this group ranges from 470 to 722,500 kg; here the OPR 5500 ERC sits at the bottom of that range with 3,500 kg.

Melroo – other models: the collective page of trailers outside the named ranges MELROO and OPR 5500 ERC, 1,010 to 6,690 kg unladen weight, 3,500 to 20,000 kg gross weight

This page gathers the Melroo trailers the register could not assign to a named range. The two listed types carry the designations MELROO and OPR 5500 ERC. As with many smaller trailer brands, the figures are drawn from registration data, in which each model is listed individually with its technical values.

Read on 3 more paragraphs

The register lists here 2 versions with unladen weights of 1,010 to 6,690 kg, gross weights of 3,500 to 20,000 kg, a length of 10,500 mm and widths of 2,450 to 2,550 mm.

The span of gross weights from 3.5 to 20 tonnes shows that this collective page covers both a lighter trailer towable on a category B licence and a heavy version for commercial goods transport, for which a category CE licence is required. The length of 10.5 metres matches the heavier version more closely.

On a used example, the lighter version calls for checking axle and wheel-bearing condition and the function of the overrun brake, while the heavy version also needs the braking system, frame and landing gear checked. Rust on frame and drawbar, and the state of lighting, tyres and rims, matter on both versions. Parts for such a small brand usually run through independent trailer and commercial-vehicle workshops. It is also worth comparing the VIN and the registration document against the trailer's data plate. Before buying, a test tow is also worthwhile, checking tracking, braking behaviour and noises while under way.

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

Technical data

Dimensions and weights

Width2,450 mmcorrect
Wheelbase502 mmcorrect
Unladen weight1,010 kgcorrect
Gross vehicle weight3,500 kgcorrect

Drivetrain and chassis

Wheels6correct
Top speed100 km/hcorrect

Frequently asked questions

How much does the Melroo OPR 5500 ERC weigh?

The unladen weight is 1,010 kg.

What is the gross vehicle weight of the Melroo OPR 5500 ERC?

3,500 kg.

Up to what speed is the Melroo OPR 5500 ERC approved?

Approved up to 100 km/h.

When was the Melroo OPR 5500 ERC built?

Production years: 2010.

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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