Seidler 18BPA
Built: 2017 · Series: Other models
More machines from model year 2017
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Seidler 18BPA: eight-wheel trailer, built 2017, gross weight 18,000 kg, EU category O4, wheelbase 4,980 mm, payload 13,940 kg
Built in 2017 with a gross weight of 18,000 kg, the 18BPA falls into EU trailer category O4. Eight wheels on a 4,980 mm wheelbase point to a compact multi-axle layout with dual tyres, carrying high axle loads on a short footprint rather than spreading the axles wide apart.
Read on 3 more paragraphs
At a length of 8,800 mm and a width of 2,550 mm, the unladen weight is 4,060 kg and the payload 13,940 kg. More than three-quarters of the gross weight is therefore available for cargo, a high share for such a compact trailer, suggesting a design built for concentrated heavy goods rather than bulky loads.
Category O4 requires air brakes acting across several axles at eight wheels. Towing vehicles need driving licence category CE or C1E, matched to the combination's permitted gross weight. Dual tyres spread the axle load across more contact area and are the norm rather than the exception at this weight class.
Buying used, with dual tyres the first check is even wear on both wheels per side; uneven wear points to a skewed axle or a brake problem. The air brake system needs checking for leaks, the axle bearings for play, and the frame around the axle mounts for cracks that can form under this axle load over time. Comparing tread depth on both sides of each axle is worthwhile too, since a difference built up over years of use throws the brakes out of balance.
Sources: SpecCodex-Register: Kennwerte des Modells 18BPA
Technical data
Dimensions and weights
| Length | 8,800 mmcorrect |
|---|---|
| Width | 2,550 mmcorrect |
| Wheelbase | 4,980 mmcorrect |
| Unladen weight | 4,060 kgcorrect |
| Gross vehicle weight | 18,000 kgcorrect |
Drivetrain and chassis
| Wheels | 8correct |
|---|---|
| Top speed | 100 km/hcorrect |
Frequently asked questions
How much does the Seidler 18BPA weigh?
The unladen weight is 4,060 kg.
What is the gross vehicle weight of the Seidler 18BPA?
18,000 kg.
Up to what speed is the Seidler 18BPA approved?
Approved up to 100 km/h.
What are the dimensions of the Seidler 18BPA?
8,800 mm × 2,550 mm.
When was the Seidler 18BPA built?
Production years: 2017.
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 9 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: RDW — Dutch national 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.
