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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.

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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 40 Diamond C dealers who list their trailers with us. We currently offer 377 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 377 Items

2023 Diamond C FMAX212-40X102SD available in Mount Vernon, IL
25

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, ST2[...]

 IN STOCK 

$61,791
Unit Details
8

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, ST2[...]

 IN STOCK 

$61,791
Unit Details
15

2023 Diamond C FMAX212-40X102HDT-AIR

8x40 Equipment Trailer for sale in Mount Vernon, IL

Sold by: Country Blacksmith LLC
2023 DIAMOND C 40' ENGINEERED BEAM GOOSENECK FLATDECK TRAILER, 12 FT HYDRAULIC TAIL FRAME SIZE, L40X102 AXLE, 2 - 12K ELEC/HYD DISC BRAKES SUSPENSION, AIR RIDE W/ FRONT LIFT AXLE 60" SPREAD[...]

 IN STOCK 

$60,977
Unit Details
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
Unit Details
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[...]

 IN STOCK 

$45,762
Unit Details
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
Unit Details
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
Unit Details
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, S[...]

 IN STOCK 

$45,300
Unit Details
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
Unit Details
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, HUT[...]

Sale IN STOCK 

$49,866
$44,995
Unit Details
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, HUT[...]

Sale IN STOCK 

$49,866
$44,995
Unit Details
0

2024 Diamond C FMAX212-32X102HDT

8x32 Equipment Trailer for sale in Mount Vernon, IL

Sold by: Country Blacksmith LLC
ON-ORDER-----2024 DIAMOND C 32 ENGINEERED BEAM GOOSENECK FLATDECK TRAILER, PACESETTER EDITION, 12 FT HYDRAULIC DOVETAIL WITH 12.5 DEGREE LOADING ANGLE, SCISSOR ACTION SELF LOCKING HINGE MECHANISM, 2[...]

 

$46,614
$42,311
Unit Details
26

2024 Diamond C Engineered Beam FMAX-212 2.0 25.9K GVWR Hydraulic Dove

8x38 Deckover/Flat Deck Trailer for sale in Broken Arrow, OK

Sold by: Central Trailers
DIAMOND C FMAX-212 2.0 ENGINEERED BEAM 25.9K W/ HYDRAULIC DOVETAIL 38' LENGTH X 102" WIDTH COUPLER, 30K SHOCKER AIR BAG WITH (2-5/16" BALL) NECK, 12" ENGINEERED NECK FRAME ENG BEA[...]

Sale 

$44,900
$39,990
Unit Details
13

2024 Diamond C FMAX212-32X102HDT-PACE

8x32 Equipment Trailer for sale in Mount Vernon, IL

Sold by: Country Blacksmith LLC
2024 DIAMOND C FMAX212-32X102 PACESETTER WITH HYDRAULIC DOVETAIL FRAME SIZE, L32X102 DECALS, FMAX212 SUSPENSION, HEAVY DUTY ADJUSTABLE SUSPENSION FRAME, ENG. BEAM W/3" I-BEAM XM ON 12" CENT[...]

Sale IN STOCK 

$43,852
$39,466
Unit Details
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
Unit Details