The term 'TRUCKERS' Trucks' refers to the large, heavy-duty vehicles used by professional truck drivers to transport goods. The crossword solution for this term is 'RIGS, ' which is an acronym for 'Recreational Industrial Goods Service.' RIGS are typically used to haul large loads of cargo, such as construction materials, agricultural products, and other goods. They are also used to transport hazardous materials, such as oil and gas. TRUCKERS' trucks are essential for the transportation industry, as they are able to move large amounts of goods quickly and safely.