2021 Load King Trailers For Sale in Colorado
Browse 2021 Load King trailers for sale, including lowboy and dump trailer configurations built for heavy haul, aggregate, and construction work.
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About 2021 Load King Trailers in Colorado
For lowboy applications, Load King is well known for 55-ton and 60-ton class equipment trailers used to move excavators, dozers, loaders, paving equipment, and other oversize machinery. Common specs include 53-foot overall length, 102-inch width, 26-foot wells, outriggers, chain slots, D-rings, load-bearing fenders, and tri-axle air ride suspensions. Many buyers specifically look for hydraulic detachable gooseneck, also called RGN or removable gooseneck, because it speeds loading and broadens the range of machines the trailer can handle. Features like adjustable ride height, a rear lift axle, flip ramps, and a fourth-axle connection can make a major difference in bridge compliance, loading angle, and permit flexibility in Colorado and surrounding western states.
If the 2021 Load King trailer you are considering is a dump model, expect it to be built for aggregate, demolition, and rock hauling. Frameless steel end dumps and half-round rock tubs are common Load King configurations. Buyers should pay close attention to trailer length, gate type, liner condition, floor and sidewall wear, hoist condition, suspension, and tire size. A high-lift gate, single-point release, front ladder, and heavy-duty fenders are practical details that affect everyday jobsite use. On steel dump trailers, body integrity and evidence of prior cracking or patching around crossmember and hinge areas matter more than cosmetics.
For any 2021 Load King trailer, the value is usually in the spec sheet as much as the badge. Check GVWR or concentrated load rating, axle spacing, brake setup, deck material such as Apitong or other hardwood decking, and the condition of wear items like bushings, air bags, brakes, and tires. In Colorado, buyers should also think about terrain, permit routes, and how a trailer performs on grades, uneven jobsites, and seasonal weather. A well-matched 2021 Load King trailer can be a strong fit for heavy construction fleets, owner-operators serving equipment moves, and contractors hauling rock, millings, or demolition debris.
Frequently Asked Questions
What are the most important specs to compare on a 2021 Load King lowboy trailer?
Start with the trailer’s rated capacity in a defined load area, such as 55-ton or 60-ton in 12 feet, then verify overall length, well length, width, kingpin settings, axle count, and suspension type. Hydraulic removable gooseneck design, load-bearing fenders, outriggers, chain slots, and deck material also affect how useful the trailer will be for your equipment mix. Buyers moving excavators, dozers, or pavers should match machine weights, track widths, and loading method to the trailer’s real-world configuration, not just the headline ton rating.
Is a 2021 Load King dump trailer better suited for rock and demolition work or general material hauling?
Many 2021 Load King dump trailers are built with severe-duty applications in mind, especially frameless steel end dumps and half-round rock tubs. Those designs are well suited for aggregate, riprap, asphalt chunks, and demolition debris because they resist impact and promote cleaner unloading. For lighter bulk commodities, the same trailer may still work, but empty weight, body shape, and floor wear become more important considerations than simple payload volume.
What should I inspect on a used 2021 Load King trailer before buying?
Check structural areas first. On lowboys, inspect the neck, main beams, crossmembers, outriggers, suspension mounts, deck, and axle alignment. On dump trailers, inspect the tub, floor, hinge points, hoist mounts, rear frame, and gate hardware for cracking, distortion, or weld repairs. Then review brake condition, air system leaks, tire wear patterns, wheel-end service history, lights, wiring, and any hydraulic components. A trailer that has the right spec but poor structural condition can become expensive very quickly.
Are 2021 Load King lowboys a good fit for Colorado hauling conditions?
They can be, especially when the trailer is spec’d for heavy construction and western terrain. Features like air ride suspension, adjustable ride height, hydraulic detachable necks, and optional lift axle provisions can help with uneven jobsites, steep grades, and route-specific permit needs. The right fit depends on axle group, loaded dimensions, and the type of equipment being moved across mountain corridors or regional construction zones.
What is the difference between a Load King lowboy and a Load King RGN?
In many listings, the terms are used interchangeably, but RGN specifically refers to a removable gooseneck trailer. A lowboy describes the low-deck heavy haul trailer class in general. A 2021 Load King lowboy may have a fixed neck or a hydraulic detachable neck, while a 2021 Load King RGN is a lowboy with a removable front neck section that allows drive-on loading from the ground.


