Jyki Da 3800 ML-5200
Built: 1979 · Series: Other models
More machines from model year 1979
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Jyki Da 3800 ML-5200: a heavy EU class O4 trailer with a 28,000 kg gross weight, a 7,930 mm length and a 22,300 kg payload, registered in Finland
With a gross weight of 28,000 kg, the ML-5200 falls into EU trailer class O4, the heavy trailers and semi-trailers above 10 tonnes. At 7,930 mm long, it is comparatively short for its weight class, which points to a compact yet very load-rated build.
Read on 3 more paragraphs
Empty, the trailer weighs 5,700 kg, against a permitted gross weight of 28,000 kg, giving a payload of 22,300 kg - well over four times its own tare weight. At 2,500 mm wide, the short body offers a very densely loadable area, the kind needed for heavy, compact goods rather than bulky freight.
From trailer class O3 upward, a compressed-air braking system is mandatory, fitted as standard at this weight class. Driving such a combination requires a category CE licence in most EU states, since the permitted combined weight clearly exceeds the limits of category C. The short, compact build combined with high payload calls for a correspondingly reinforced chassis.
Buying a used trailer this compact for heavy loads, the frame around the axle mounts matters most, since the high load is concentrated over a short area. The braking system and wheel bearings should be checked carefully for wear, and the load bed deserves a look for bowing or cracks that point to past overloading, along with the drawbar coupling, its pivot for play, and the tyre load rating stamped on the sidewall.
Sources: SpecCodex-Register: Kennwerte des Modells Jyki Da 3800 ML-5200, Zulassungsdaten Traficom (Finnland)
Technical data
Dimensions and weights
| Length | 7,930 mmcorrect |
|---|---|
| Width | 2,500 mmcorrect |
| Unladen weight | 5,700 kgcorrect |
| Gross vehicle weight | 28,000 kgcorrect |
Frequently asked questions
How much does the Jyki Da 3800 ML-5200 weigh?
The unladen weight is 5,700 kg.
What is the gross vehicle weight of the Jyki Da 3800 ML-5200?
28,000 kg.
What are the dimensions of the Jyki Da 3800 ML-5200?
7,930 mm × 2,500 mm.
When was the Jyki Da 3800 ML-5200 built?
Production years: 1979.
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
Trailer in 3D section
Turn the model, look inside and click an assembly — each one is explained.
