Technical register for agricultural, construction and commercial machinery · sourced data
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Iwt PS 122-20 VB

Built: 1975 · Series: Other models

More machines from model year 1975

The photo shows the PS12220VB from the same series. Source: technikboerse.com

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The Iwt PS 122-20 VB is a vehicle built by Iwt. Production: 1975. The vehicle is 12,360 mm long and 2,500 mm wide. The unladen weight is 6,620 kg. The wheelbase measures 8,000 mm. Top speed is 100 km/h. The gross vehicle weight is 32,000 kg. Unladen weight across the Iwt range ranges from 3,680 to 13,760 kg; the PS 122-20 VB sits in the lower part of that range with 6,620 kg. Its immediate neighbours are the FS 40-20 below it with 4,513 kg and the FS 20-161B above it with 13,240 kg. Gross vehicle weight across the Iwt range ranges from 20,000 to 32,000 kg; here the PS 122-20 VB sits at the top of that range with 32,000 kg. 6 Iwt models are on record.

IWT – other models: trailers outside the named ranges, the FS 20-16/B, FS 40-20 and PS 122-20 VB types, unladen weights from 3,680 to 13,760 kg, gross weights from 20,000 to 32,000 kg

This page gathers the trailers of the brand IWT the register could not assign to a named range. The type designations FS 20-16/B, FS 20-161B, FS 40-20 and FS20-16B stand alongside the codes PS 122-20 VB and PS12220VB, listed in the register both with and without a slash and space; the number groups visibly correspond to payload and length in differing order.

Read on 3 more paragraphs

The register lists here 6 versions with unladen weights from 3,680 to 13,760 kg, gross weights from 20,000 to 32,000 kg, lengths from 7,230 to 12,360 mm and widths from 2,400 to 2,500 mm.

With gross weights of 20 to 32 tonnes, these trailers belong to the heavy EU class O4 for carrying bulk goods, building material or machinery in commercial road freight transport. The length span of around 7 to over 12 metres covers both short tipper versions and long platform versions, of the kind found in earthworks, recycling and the transport of construction machinery.

On a used trailer, the frame and chassis rails for cracks and corrosion, axles, brake system and tyres commensurate with the high payload, the drawbar and trailer coupling, and the load floor, sides or tipping mechanism for wear and tightness all count; on hydraulically operated bodies the cylinders, lines, fittings and the mounting points of the tipping hinges for leaks and wear are also worth checking.

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

Technical data

Dimensions and weights

Length12,360 mmcorrect
Width2,500 mmcorrect
Wheelbase8,000 mmcorrect
Unladen weight6,620 kgcorrect
Gross vehicle weight32,000 kgcorrect

Drivetrain and chassis

Top speed100 km/hcorrect

Frequently asked questions

How much does the Iwt PS 122-20 VB weigh?

The unladen weight is 6,620 kg.

What is the gross vehicle weight of the Iwt PS 122-20 VB?

32,000 kg.

Up to what speed is the Iwt PS 122-20 VB approved?

Approved up to 100 km/h.

What are the dimensions of the Iwt PS 122-20 VB?

12,360 mm × 2,500 mm.

When was the Iwt PS 122-20 VB built?

Production years: 1975.

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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