Pn Kaross ATP-310
Built: 1978 · Series: Other models
More machines from model year 1978
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Pn Kaross ATP-310: an EU class O4 trailer with a gross vehicle weight of 34,000 kg, an unladen weight of 11,600 kg, a length of 10,500 mm and a width of 2,600 mm, built in 1978
With a gross vehicle weight of 34,000 kg, the Pn Kaross ATP-310 counts among the heavy trailers of EU class O4, above 10 tonnes. This class covers the upper end of road freight, from low-loaders for machinery transport to tippers and flatbed semi-trailers for bulk and building materials.
Read on 3 more paragraphs
The 1978 ATP-310 has an unladen weight of 11,600 kg and, at a gross vehicle weight of 34,000 kg, reaches a payload of 22,400 kg. At 10,500 mm long and 2,600 mm wide, it is a compact but heavy build with a notable payload share for its year of construction. That points to a solid, general-purpose build rather than one tailored to a single narrow type of cargo, useful across a range of everyday haulage tasks.
Because EU rules no longer permit an overrun brake above 10 tonnes of gross vehicle weight, a trailer of this class runs with an air brake system. The combination of towing vehicle and trailer must be matched to their combined train weight, driven with a category CE licence.
On a vehicle of this age, it is worth looking closely at the axles, suspension and brake system, since wear shows up there first. The frame should be free of through-corrosion, especially at welds and axle mountings. Tyres age through standing time regardless of tread, and lighting and the underrun guard must be complete for the roadworthiness test.
Sources: SpecCodex-Register: Kennwerte des Modells ATP-310
Technical data
Dimensions and weights
| Length | 10,500 mmcorrect |
|---|---|
| Width | 2,600 mmcorrect |
| Unladen weight | 11,600 kgcorrect |
| Gross vehicle weight | 34,000 kgcorrect |
Frequently asked questions
How much does the Pn Kaross ATP-310 weigh?
The unladen weight is 11,600 kg.
What is the gross vehicle weight of the Pn Kaross ATP-310?
34,000 kg.
What are the dimensions of the Pn Kaross ATP-310?
10,500 mm × 2,600 mm.
When was the Pn Kaross ATP-310 built?
Production years: 1978.
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 2 recorded sources; 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
Trailer in 3D section
Turn the model, look inside and click an assembly — each one is explained.
