Herron Engineering Ltd 15 Herrons Road, Leitrim Castlewellan , Co.Down , Northern Ireland BT31 9SR Northern Ireland About Solutions products Companies Herron Engineering Ltd Products Dump Trailer Dump Trailer 0 Share Spring Suspension. Air / Hydraulic Load Sensitive Valves (LSV). Anti-Lock Braking System (ABS). Electric / Hydraulic Brake Fail System. Oversized Wheels. Customer reviews No reviews were found for Dump Trailer. Be the first to review! Add your review Publish your review Great! review successfully added!