Home Equestrian Horse Boxes & Trailers Ifor Williams Horse Trailer Blue Ifor Williams trailer model 510. Chassis No. 3-70036. Serial No. SCK40000030381898. This trailer is marked with Smart Water. Additional InfoPolice Incident Number28-N-200711Police ForceWest Mercia Constabulary 0300 333 3000Comments Secured By Design Protect your property with products that are approved by the Police under the Secured By Design scheme.