Technical register for agricultural, construction and commercial machinery · sourced data
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Aisapoika 4.0T GEN

Built: 2021 · Series: Other models

More machines from model year 2021

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The 4.0T GEN comes from Aisapoika. Production: 2021. The vehicle is 5,990 mm long and 1,630 mm wide. The unladen weight is 2,970 kg. The gross vehicle weight is 3,500 kg. Unladen weight across the Aisapoika range ranges from 160 to 3,200 kg; the 4.0T GEN sits at the top of that range with 2,970 kg. Its immediate neighbours are the 3.3TJ below it with 2,945 kg and the 7.5STJ above it with 3,200 kg. Gross vehicle weight across the Aisapoika range ranges from 750 to 3,500 kg; here the 4.0T GEN sits at the top of that range with 3,500 kg. 250 Aisapoika models across 3 series are on record.

Aisapoika – other models: the collective page of machine trailers outside the named ranges, the KT and KTL series from 3.5 to 7.5 tonnes, unladen weights 635 to 3,200 kg, gross weight uniformly 3.5 t

This page gathers the Aisapoika trailers the register could not assign to a named range. The type designations consist of a number for the tonnage from 3.5 to 7.5 and letter codes such as KT, KTL, KTJ and T2 for the version; several types also carry the Finnish word Kone, meaning machine, directly in the name, such as 3.5KT Kone or 4.0KT Kone, pointing to trailers built for carrying machines and equipment.

Read on 3 more paragraphs

The register lists here 23 versions with unladen weights from 635 to 3,200 kg, a permitted gross weight uniformly of 3.5 tonnes, lengths from 5,100 to 8,750 mm and widths from 1,630 to 2,590 mm.

With a uniform gross weight at the upper limit of the trailer class permitted with a car-plus-trailer licence and unladen weights of up to 3.2 tonnes, the range counts among the heaviest machine-transport trailers in this segment, with payload depending on the type ranging from well over two tonnes down to just a few hundred kilograms. The KT, KTL and KTJ codes run through nearly the whole tonnage range from 3.5 to 7.5.

When buying used, what matters most in this trailer class is the condition of the ramps and load beds, corrosion on the frame and axles, the function of the lighting system, and the condition of the brake system and brake linkage. Given the high permitted payload, the lashing points and their attachment to the frame should also be checked carefully.

Sources: SpecCodex register, model data: Aisapoika (weitere Modelle), Zulassungsdaten Traficom (Finnland)

Technical data

Dimensions and weights

Length5,990 mmcorrect
Width1,630 mmcorrect
Unladen weight2,970 kgcorrect
Gross vehicle weight3,500 kgcorrect

Frequently asked questions

How much does the Aisapoika 4.0T GEN weigh?

The unladen weight is 2,970 kg.

What is the gross vehicle weight of the Aisapoika 4.0T GEN?

3,500 kg.

What are the dimensions of the Aisapoika 4.0T GEN?

5,990 mm × 1,630 mm.

When was the Aisapoika 4.0T GEN built?

Production years: 2021.

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 5 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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Sources: Traficom — Finnish vehicle register (retrieved August 2026) · How we check the data

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