About Us

At Peterson Motors Co. we are a locally-owned, independent truck and trailer dealership located in the heart of the upper Midwest in Watertown, South Dakota. In business since 1989, Peterson Motors Co. has been serving the farming and trucking industries with an ever growing inventory and clientele base. Our customers come to us from all over the globe, while the local market of 300 miles in diameter is our specialty, we also have customers in over 30 states and 8 countries.

Showcasing over 180 of the cleanest trucks and trailers in the tri-state area, our inventory ranges from conventional and daycabs trucks to grain and service trucks, and trailers of all varieties including new and used grain hoppers, flats, steps, and van trailers. We hold franchises for Merritt and Stoughton aluminum commodity trailers, as well as Dorsey and ABU trailers. We also sell Merritt Equipment Co. truck accessories, Shur-Co roll tarps, and are a stocking dealer of Hendrickson suspension components.

We are the designer, manufacturer and exclusive outlet of the revolutionary Quickveyor The state of the art stainless steel conveyor system built for the seed and fertilizer industries. Designed to meet our customers need of reliability, longevity and flexibility, the Quickveyor has been in production since 2000.

We take great pride in our trucks and the people around us who sell, service, and appraise them. With actual farmers and former over-the-road truckers on our staff, we have an intimate knowledge of the challenges our customers face. We do our very best in locating the best equipment available and try hard to match them with our customers’ unique situations. Combining over 60 years of selling talent we value the long term relationships we have built with our customers.

Peterson Motors and their employees pride themselves on being the best place to buy your next truck or trailer….“just ask your neighbor.”