Dump Trailers

Diamond C WDT: Gooseneck Dump

Specifications, configurations, and buyer fit for the Diamond C WDT Gooseneck Dump.

The WDT is a current Diamond C model. The published specifications below come from the manufacturer’s spec sheet. Confirm the current numbers with your dealer before you buy.

Published Specifications

GVWR25,000-30,000 lb
Empty weight8,280-10,970 lb
Lengths16-20 ft
Width96 in bed
Axles2x 10K Lippert std; upgrades to 2x 12K or 2x 16K
Tires14-ply all-steel radials
CouplerGooseneck

Workhorse dual tandem; telescopic hoist; 45-degree dump angle; 10 ga sides; Engineered Beam frame

Read from the manufacturer's published page on July 19, 2026. Options and model-year changes alter these figures, verify the current sheet with the dealer.

Manufacturer Source

Diamond C listed this model family as active when checked on July 19, 2026. Confirm current specifications, options, and local availability directly with the manufacturer and dealer.

View the official Diamond C WDT page →