Trailers for Sale

New Trailers In Stock

See our latest in-stock trailer inventory, available for nationwide delivery or pickup at either of our Missouri locations!

Count on MO Great Dane to do the job right.

We'll Custom-Build ANY Trailer

See past builds including fiber optic trailers, mobile command centers, emergency response & rescue trailers, and more here.

In-Stock Semis, Car Haulers & More

Browse our selection of in-stock semi trailers, fiber optic splicing trailers, enclosed car haulers and toy haulers.

Trailer Options, Parts & Accessories

We offer a huge variety of heavy-duty trailer options, parts & accessories at our Benton, MO, and St. Louis locations.

Experienced Mechanics

Our team of experienced mechanics is here to help for your maintenance or warranty claims.

Local Pickup & Delivery Options

Pick up your trailer at a location near you – see a map below – or we'll ship it anywhere in the continental U.S. & Canada.

Two Missouri Locations

Visit us for trailer sales & service at our O'Fallon (St. Louis area) dealership or our dealership in Benton, MO.

“I've been shopping for a dump trailer for month. Diamond C was hands down the best built and the staff working there are the best around. Super intelligent and made sure everything was perfect before…”

Scott K.

“Great experience. All the staff was welcoming and informative. Price was right and my trailer was ready to go and they made the deal quick and super easy.”

Ian W.

“Great service and selection, these guys know custom. Service department is great and goes out of the way to answer all your questions.”

Michael F.

“Exceptional parts and service department. I had a problem with my air suspension on trailer and they got me in immediately and back on road in 1 hour. Thank you”

Val K.

“Purchased a black horse cargo trailer. Nice trailer sales and repair facility. Friendly service.”


Need a trailer delivered? We ship customized and in-stock trailers throughout the U.S. & Canada.