Trailers 18,000–40,000 kg

In the 18,000–40,000 kg class, SpecCodex lists 18,270 Trailers — the documented gross vehicle weight spans 18,200 to 40,000 kg. Within the group, this class covers 24 % of all models with a documented gross vehicle weight — averaging 7.3 documented values per model. The best-represented brands are Burg (673 models), Gs (589) and Jumbo (572); 1,304 manufacturers in total build models in this class. Where unladen weight is documented, it spans 1,350 to 40,000 kg. In addition, the register holds 189 vehicles registered as “self-built” instead of a brand. 217 series in this class are still in production today; the rest are documented historically, each with its own source in the register. Documented model years for the class span 1953 to 2026. 15,958 of the 18,270 models are additionally illustrated with a photo.