German horsebox builder, Dickenherr, produced these large horse trailers. Interestingly, some feature slant or herringbone stall orientation; other designs feature forward and backwards facing stalls. 
European-wide regulations restrict the sizes of these trailers to no more than 14m long and 2.55m wide. The rig can be no longer than 16.5m long in total.
The German manufacturer has posted plans of the designs, complete with dimensions.
The size of these horse trailers are impressive. The use of articulated trailers by a European manufacturer is unusual - rigid truck and drawbar combinations are permitted to have a combined floor length of 15.5m, which is 2m or so longer than a semi-trailer.
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| Drawbar combinations offer greater size in the EU |
