Self-Contained Wet Line

Found in applications on dump and tank trailers where both the hydraulics and tank are found on the trailer. Often powered by a trailer-mounted diesel or gas pony motor.

Scuff Liner

A strip of steel, aluminum, wood, or chem-lite that runs along the inside of a trailer just above the floor. It protects the sides from pallet and forklift damage.

Sail Area

The standard recommended working sail area. Does not pertain to the variously available oversize or undersize sails.

Rub Rails

These are found on the sides of flat bed trailers and used to secure chains. They also protect lower rails from forklift damage.

Roll-up Door

Usually referring to a rear door on a trailer that rolls up and down rather than swinging open and closed.

Roll Over Canvas

A canvas cover that rolls from one side of the trailer to the other and is used to keep the load covered up during transport. It is designed to operate from ground level using a long awning crank.

Roadster

An open two-seat car with emphasis on sporting appearance or character. Abbreviated as Rdstr.