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Diamond C specializes in premium grade open steel trailers. They're based in Texas and have been making trailers since 1985. As a family-owned business, they are driven by their core values to invest in their team members, customers and community. They strive to build extraordinary trailers for work and play and provide the service to match them.

Diamond C makes it easy to haul machinery, vehicles, building materials and more with their vast selection of trailers built for heavy loads. Their dump trailer options range from general duty to medium duty to heavy duty and allow you to choose from features such as deck over models, telescopic dumps and gooseneck hitches. Diamond C provides many choices for those looking to haul equipment, from their customizable equipment trailers that come as deckover trailers and tilt deck trailers to their pintle hitch flatbed trailers. Extra tall loads can be towed using one of their step deck trailer models, while their gooseneck flatbed trailers are perfect for extra heavy loads. Car enthusiasts can tow their vehicles using one of Diamond C's car hauler trailers.

There are 39 Diamond C dealers who list their trailers with us. We currently offer 286 trailers for sale by Diamond C on TrailersUSA.com. Get started with the search for your perfect trailer by browsing our Diamond C trailer inventory today.

Displaying 1 - 15 of 286 Items

2023 Diamond C FMAX212-40X102SD available in Mount Vernon, IL
23

2023 Diamond C FMAX212-40X102SD

8x40 Equipment Trailer for sale in Mount Vernon, IL

Sold by: Country Blacksmith LLC
NOW HAS ROLLING TARP INSTALLED---2023 DIAMOND C 40 ENGINEERED BEAM GOOSENECK FLATDECK TRAILER, STRAIGHT DECK WITH 8 REAR SLIDE-IN RAMPS, 2-12K ELECTRIC BRAKE AXLES, SPRING SUSPENSION, ST235/80R16 [...]

Sale IN STOCK 

$68,075
$58,995
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19

2023 Diamond C SDX216-38X102HDT

102x48 Equipment Trailer for sale in Mount Vernon, IL

Sold by: Country Blacksmith LLC
2023 DIAMOND C SDX216-48 10 UPPER DECK+26 LOWER DECK+12 HYD TAIL 40K ENGINEERED BEAM STEP DECK EXTREME FLATDECK TRAILER, 12 HYDRAULIC DOVETAIL WITH 12.5 DEGREE LOADING ANGLEAXLE, 2 - 16K ELEC/HYD[...]

Sale IN STOCK 

$67,141
$55,950
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15

2023 Diamond C FMAX212-40X102MR-AIR

8x40 Equipment Trailer for sale in Mount Vernon, IL

Sold by: Country Blacksmith LLC
2023 DIAMOND C 40 ENGINEERED BEAM GOOSENECK FLATDECK TRAILER, 5 SELF CLEANING DOVETAIL WITH MAX RAMPS, 2-12K OIL BATH AXLES, HYDRAULIC DISC BRAKES, AIR RIDE SUSPENSION WITH FRONT LIFT AXLE (60 SPR[...]

Sale IN STOCK 

$67,178
$53,274
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18

2022 Diamond C FMAX216-40X102MR-AIR-40K

8x40 Equipment Trailer for sale in Mount Vernon, IL

Sold by: Country Blacksmith LLC
NEW 2022 DIAMOND C 40 ENGINEERED BEAM GOOSENECK FLATDECK TRAILER, 40K PACKAGE, AIR RIDE TRAILER, 5 DOVETAIL WITH 2 FLIP OVER MONSTER RAMPS(44 WIDE, SPRINGLOADED), 2-16K OIL BATH AXLES, ELECTRIC DR[...]

Sale IN STOCK SPECIAL 

$70,565
$49,995
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35

2023 Diamond C FMAX216-35X102HDT

8x35 Equipment Trailer for sale in Mount Vernon, IL

Sold by: Country Blacksmith LLC
2023 DIAMOND C 35 ENGINEERED BEAM GOOSENECK FLATDECK TRAILER, 12 HYDRAULIC DOVETAIL WITH 12.5 DEGREE LOADING ANGLE, SCISSOR ACTION SELF LOCKING HINGE MECHANISM, 2-16K OIL BATH AXLES, ELECTRIC OVER [...]

Sale IN STOCK 

$60,524
$47,995
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17

2022 Diamond C FMAX212-40X102HDT-AIR

8x40 Equipment Trailer for sale in Mount Vernon, IL

Sold by: Country Blacksmith LLC
2022 DIAMOND C 40 ENGINEERED BEAM GOOSENECK FLATDECK TRAILER, 12 HYDRAULIC DOVETAIL WITH 12.5 DEGREE LOADING ANGLE, SCISSOR ACTION SELF LOCKING HINGE MECHANISM, 2-12K AXLES, ELECTRIC OVER HYDRAULIC[...]

Sale IN STOCK SPECIAL 

$63,314
$45,390
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17

2021 Diamond C WDT212-20X96

8x20 Dump Trailer for sale in Mount Vernon, IL

Sold by: Country Blacksmith LLC
BRAND NEW 2021 DIAMOND C 20 X 96 WORKHORSE DUAL TANDEM GOOSENECK DUMP TRAILER, ENGINEERED BEAM FRAME AND NECK, 6 X 28 SCISSOR LIFT HOIST, GN 2-5/16 ADJUSTABLE COUPLER, SPARE TIRE WITH FOLD DOWN [...]

Sale IN STOCK 

$62,781
$49,995
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14

2023 Diamond C FMAX216-32X102MR-40K

8x32 Equipment Trailer for sale in Mount Vernon, IL

Sold by: Country Blacksmith LLC
2023 DIAMOND C 32 ENGINEERED BEAM GOOSENECK FLATDECK TRAILER, 5 DOVETAIL WITH 2 FLIP OVER MONSTER RAMPS(44 WIDE, SPRINGLOADED), 2-16K AXLES, ELECTRIC OVER HYDRAULIC DISC BRAKES, HUTCH SUSPENSION, [...]

Sale IN STOCK 

$54,937
$44,995
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20

2023 Diamond C FMAX210-32X102HDT

8x32 Equipment Trailer for sale in Mount Vernon, IL

Sold by: Country Blacksmith LLC
2023 DIAMOND C 32 ENGINEERED BEAM GOOSENECK FLATDECK TRAILER, 12 HYDRAULIC DOVETAIL WITH 12.5 DEGREE LOADING ANGLE, SCISSOR ACTION SELF LOCKING HINGE MECHANISM, 2-10K ELEC/HYD DISC BRAKE AXLES, HDS[...]

Sale IN STOCK 

$49,794
$39,995
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15

2022 Diamond C FMAX212-32X102MR

8x32 Equipment Trailer for sale in Mount Vernon, IL

Sold by: Country Blacksmith LLC
NATDA SHOW SPECIAL, 2022 DIAMOND C 27 +5 ENGINEERED BEAM GOOSENECK FLATDECK TRAILER, 5 DOVETAIL WITH 2 FLIP OVER MONSTER RAMPS(44 WIDE, SPRINGLOADED), 2-12K LIPPERT OIL BATH AXLES, ELECTRIC OVER H[...]

Sale IN STOCK 

$47,683
$38,995
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16

2022 Diamond C FMAX212-35X102HDT

8x35 Equipment Trailer for sale in Mount Vernon, IL

Sold by: Country Blacksmith LLC
2022 DIAMOND C FMAX212 35FT ENGINEERED BEAM GOOSENECK FLATDECK TRAILER, 12 HYDRAULIC DOVETAIL WITH 12.5 DEGREE LOADING ANGLE, SCISSOR ACTION SELF LOCKING HINGE MECHANISM, 2-12K LIPPERT AXLES, HYDRAU[...]

Sale IN STOCK 

$46,669
$37,995
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6

2023 Diamond C FMAX212 Deckover Gooseneck Dual Wheel Trailer

8x38 Deckover/Flat Deck Trailer for sale in East Bethel, MN

Sold by: Central Trailer Sales
Diamond C FMAX212 38ft Gooseneck Deckover with Hydraulic Dovetail - Pacesetter Edition Dovetail, 12' Fully Automatic w/Full Steel Runner w/Cleats* (2) 12k Elec/Hyd Disc Brakes* ST235/80R16 Dual[...]

 IN STOCK 

$37,399
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5

2023 Diamond C FMAX212 SS Deckover Gooseneck Super Single Trailer

8x38 Deckover/Flat Deck Trailer for sale in East Bethel, MN

Sold by: Central Trailer Sales
Diamond C FMAX212 102"x38ft Gooseneck Trailer with 12k Elec/Hyd Disc Brake Axles and Oak Deck 2 - 12k Elec/Hyd Disc Brake Axles* ST235/75R17.5 Super Single 18 Ply Tires on Black Steel Wheels* M[...]

 IN STOCK 

$37,299
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5

2023 Diamond C FMAX212 Deckover Gooseneck Dual Wheel Trailer

8x40 Deckover/Flat Deck Trailer for sale in East Bethel, MN

Sold by: Central Trailer Sales
Diamond C FMAX212 102"x40ft Gooseneck Deckover, Pacesetter Edition, with 12,000# Elec/Hydraulic Disc Brake Axles and Hydraulic Dovetail. 2 – 12,000lb Heavy Duty, Oil Bath Axles ST235/[...]

 IN STOCK SALE PENDING 

$36,999
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22

2023 Diamond C FMAX212-30X102MR

8x30 Equipment Trailer for sale in Mount Vernon, IL

Sold by: Country Blacksmith LLC
2023 PACESETTER DIAMOND C 25 +5 ENGINEERED BEAM GOOSENECK FLATDECK TRAILER, 5 DOVETAIL WITH 2 FLIP OVER MONSTER RAMPS(44 WIDE, SPRINGLOADED), 2-12K ELEC/HYD DISC BRAKE AXLES, HDSS SPRING SUSPENSIO[...]

Sale IN STOCK 

$46,184
$36,860
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