2024 Diamond C 8.5ft x 20ft Deckover Plant Trailer – 9.1t Flip-Knee Ramps

Flip-knee ramps are the reason to look at this one. Instead of a single straight ramp, the knee joint lets the ramp lie flatter against the ground while still reaching a 2,591 mm wide deck, which drops the load angle for low-clearance machines significantly. Paired with the 1,219 mm dovetail, it makes loading a skid steer or a mini excavator a much less dramatic exercise.

The deck is 102 in wide with blackwood outer decking over 50 mm treated timber, and a lace rail plus a slide track with a welded ratchet gives you tie-down points wherever the load needs them.

Chassis

• 2 x 10,000 lb Super Lube self-adjusting electric brake axles on straight torsion suspension
• 203 mm x 15 lb I-beam tongue integral with the frame
• 76 mm I-beam crossmembers at 406 mm centres
• 2-5/16 in Demco EZ-Latch flat-mount coupler rated 21,000 lb
• 12,000 lb drop-leg jack, 356 x 356 x 1,067 mm underslung box, V-tongue storage with lid
• ST215/75R17.5 radial tyres, front retractable steps, all-LED lighting

Ratings

Manufacturer’s gross 20,000 lb (about 9,072 kg), tare 4,630 lb (about 2,100 kg), rated payload 15,370 lb (about 6,972 kg). Model DEC21020X102 in cement grey, new.

Before Australian road use

Those figures are US ratings converted for reference and are not ADR ratings, an ATM plate or a roadworthiness statement. Imported trailers of this capacity must be approved and registered through your state or territory road authority, and the tow vehicle needs the rated capacity to match. Comparable decks sit under container chassis and trailers; if you are hauling containers, our dimensions guide gives you real tare and gross weights.