Home » Diecast Cars » Hot Wheels Bigfoot Champions Monster Rig. This was released in 1991 with a flat bed trailer, and a monster truck on the trailer. This rig is a Ford LTL with a plastic frame, and a Diecast body. It has Blackwalls wheels. It is dated 1981 and made in Malaysia. It is compatible with Hot Wheels Steering Rigs trailers.