Fuel for Growth & Success
See Our TrailersManufacturing premium grade open steel trailers since 1985.
We are a family owned and operated company that operates based on traditional family morals, including honesty, respect, humbleness, and pure integrity.
We offer a robust lineup of PREMIUM TRAILERS – ranging from car haulers and dump trailers all the way to heavy duty equipment, tilt, flatbed gooseneck, and step deck models. We distribute them through a vast network of over 100 Dealer Partners strategically placed throughout North America.
Building Extraordinary Trailers to #WorkHard and #PlayHard
FIND A DEALER
Search for dealers across the U.S. and Canada who can help you find your ideal trailer.
3 YEAR WARRANTY
We are proud of our trailers and stand by them. Every Diamond C trailer comes with an industry leading 3 Year Warranty.
APPAREL STORE
Shop our selection of official Diamond C approved swag. Choose from a wide variety of apparel, hats, and other gear.
FOLLOW US ON FACEBOOK
Follow us on Facebook and be the first to hear about our newest models and promotions.
YOUR TRAILER, YOUR WAY
Configure your trailer to custom fit your needs. We’re here to make your dream a reality.
EASY FINANCING WITH LOW RATES
We partner with Sheffield Financial and Synchrony Bank to give you options for financing your next trailer.
SUBSCRIBE TO OUR CHANNEL
Subscribe to our YouTube channel to see each of our toughest trailers in action.
LEARNING CENTER
Your one-stop-shop for everything trailer related. Learn about our trailers, options, culture, and what makes us stand apart from the other guys.
Featured Trailers
From loading brush and dirt to hauling heavy machinery and equipment, there’s a Diamond C trailer for you.
Check out our featured models below.
LPT Dump Trailer
The original heavy duty low profile dump trailer, now with TELESCOPIC CYLINDER technology for maximum dumping leverage.
FMAX Gooseneck Trailer
Fleetneck Engineered Beam. Forging a new era in flatbed gooseneck trailers with our exclusive ENGINEERED BEAM TECHNOLOGY.
LPX Equipment Trailer
This low profile beast has attitude, style, and strength. Add our MAX RAMPS to create the ultimate hauling machine.
What's New?
Find out the latest that’s happening at Diamond C! Our Learning Center is your one-stop-shop for everything trailer related – featuring in-depth articles, news, and resources about our trailers, options, culture, and what makes us stand apart from the other guys. Check it out!
Pacesetter Edition
The Ultimate Gooseneck Trailer Buyer’s Guide
Baseline Series
GVWR vs Payload
ELEVATION OFF GRID
World Class Truck Manufacturer - Denver, CO
“When traveling with Black Editions across the country and over half a million dollars worth of trucks on trailers, Diamond C is the only company we trust to protect and deliver our vehicles to their final destination. Their goosenecks are a perfect fit with the height of the Black Edition’s bed rails, and their trailer’s style and strength blend seamlessly with our trucks’ aesthetics.”