DIAMOND C Trailers For Sale

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    About Diamond C

    Diamond C of Mt. Pleasant, Texas, manufactures a broad variety of open flatbed trailers known for their high strength-to-weight ratio and high-quality finish.

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    309 - 331 of 329 Listings

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    Stock Number: DCT308441
    Length: 20 ft
    Location: Nisku, Alberta, Canada
    Seller: Flaman Sales Alberta
    Stock Number: DCT311686
    Length: 20 ft
    Location: Nisku, Alberta, Canada
    Seller: Flaman Sales Alberta
    Stock Number: DCT311687
    Length: 20 ft
    Location: Nisku, Alberta, Canada
    Seller: Flaman Sales Alberta
    Stock Number: DCT313720
    Length: 20 ft
    Location: Lethbridge County, Alberta, Canada
    Seller: Flaman Sales Alberta
    Stock Number: DCT312923
    Length: 18 ft
    Location: Nisku, Alberta, Canada
    Seller: Flaman Sales Alberta
    Stock Number: DCT311313
    Length: 12 ft
    Location: Nisku, Alberta, Canada
    Seller: Flaman Sales Alberta
    Stock Number: DCT311314
    Length: 12 ft
    Location: Lethbridge County, Alberta, Canada
    Seller: Flaman Sales Alberta
    Stock Number: DCT313776
    Length: 12 ft
    Location: Nisku, Alberta, Canada
    Seller: Flaman Sales Alberta
    Stock Number: DCT313693
    Length: 14 ft
    Location: Lethbridge County, Alberta, Canada
    Seller: Flaman Sales Alberta
    Stock Number: DCT313694
    Length: 14 ft
    Location: Lethbridge County, Alberta, Canada
    Seller: Flaman Sales Alberta
    Stock Number: DCT313695
    Length: 14 ft
    Location: Lethbridge County, Alberta, Canada
    Seller: Flaman Sales Alberta
    Stock Number: DCT312901
    Length: 14 ft
    Location: Nisku, Alberta, Canada
    Seller: Flaman Sales Alberta
    Stock Number: DCT313705
    Length: 12 ft
    Location: Lethbridge County, Alberta, Canada
    Seller: Flaman Sales Alberta
    Stock Number: DCT313706
    Length: 12 ft
    Location: Lethbridge County, Alberta, Canada
    Seller: Flaman Sales Alberta
    Length: 14 ft
    Width: 82 in
    Location: Zhoda, Manitoba, Canada
    Seller: Mateychuk Farm Sales Inc.

    2024 DIAMOND C 18 ft

    Open Car Hauler Trailers

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    Length: 18 ft
    Suspension: Spring
    Location: Saskatoon, Saskatchewan, Canada
    Seller: Flaman Sales Alberta
    Stock Number: BP250226.1TL
    Cars: 1
    Location: Drayton Valley, Alberta, Canada

    2016 DIAMOND C 10 ft

    Flatbed / Tag Trailers

    USD $4,907
    View Details
    Stock Number: EQT79885
    Length: 10 ft
    Location: Edmonton, Alberta, Canada
    Seller: Flaman Sales Alberta
    Stock Number: 2601
    Length: 20 ft
    Location: White City, Oregon
    Seller: J&C Auctions
    Length: 10 ft
    VIN: 46UFU101051096721
    Location: Floydada, Texas
    On-Site Auction
     
     
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    Auction Date:10/17/2026 9:00:00 AM (CDT)
    Stock Number: 758
    Location: Quarryville, Pennsylvania
    Seller: L&H Auctions Inc.
    On-Site Auction
     
     
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    Auction Date:10/17/2026 9:00:00 AM (CDT)
    Stock Number: 1726
    Length: 20 ft
    Location: Marion, Iowa
    Seller: Hoge Auctioneering
    On-Site Auction
     
     
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    Auction Date:10/23/2026 12:00:00 PM (CDT)
    Stock Number: 127
    Model: TANDEM AXLE FLATBED TAG TRAILER
    Location: Merrill, Wisconsin
    Seller: Wausau Auctioneers

    About Diamond C

    Diamond C manufactures open flatbed trailers from utility sizes on up to models with 40,000-pound (18,140-kilogram) gross vehicle weight ratings. Among its many offerings are cargo trailers, low-profile dump trailers, open car hauler trailers, landscaping trailers, goosenecks, pintle hitch trailers, step decks, and tilt bed models.


    Diamond C GTF Wood Floor Car Hauler

    Diamond C History

    Diamond C’s story started in 1985 in Mt. Pleasant, Texas. Mike Crabb’s background involved auto body and construction, while his wife Kim ran the office of another trailer manufacturer at the time. When that manufacturer went out of business, Mike and Kim founded Diamond C. Today, the business is still family-owned and -operated, with the Crabb’s sons Jeffery and Jacob on board as the company president and vice president of sales and marketing, respectively.

    Diamond C Innovations

    Diamond C’s trailers differ from the competition in a number of ways. One is the company’s exclusive Engineered Beam technology, which it debuted in 2017. Instead of continuing to modify and reinforce standard mill beams like other trailer makers, Diamond C designs custom I-beams, channel frames, and cross members for most of its models. This allows the company to maximize the strength-to-weight ratio of its components and minimize sway and sag.

    Another Diamond C exclusive is a 12-foot (3.7-meter) hydraulic dovetail option rated to lift up to 10,000 pounds (4,500 kilograms). The manufacturer also offers a bi-fold ramp gate design, in which the gate folds in the middle for a lower profile and less wind resistance in transit.

    Meanwhile, Diamond C’s Telescoupler is a 3-inch (76-millimeter), 40,000-lb ball coupler with two vertical adjustments. A total of 10 inches (254 mm) of travel allows the gooseneck to be attached to a semi-tractor as easily as a 1-ton (0.9-metric ton) pickup, the company says.

    Diamond C also touts its Difference Maker powder coating system. The firm uses top-quality materials and thorough surface preparation to achieve a durable, high-quality finish on every trailer.

    Find The Right Diamond C Trailer

    UtilityTrailersToday.com has a variety of new and used Diamond C trailers for sale, including dump, equipment, car hauler, and landscaping units. Featured model lines from Diamond C include LPD dump trailers, FMAX gooseneck flatbeds, and LPX equipment haulers.