Gooseneck (Fleetneck) Trailers

Diamond C FMAX208: Fleetneck Gooseneck

Specifications, configurations, and buyer fit for the Diamond C FMAX208 Fleetneck Gooseneck.

The FMAX208 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

GVWR18,000 lb
Empty weight5,480-8,300 lb
Lengths20-40 ft
Width102 in bed
Axles2x 8,000 lb Lippert
Tires215/75R17.5 radial
CouplerGooseneck

Fleetneck 2.0 gooseneck; 14-16 in low-profile engineered beam frame; 12 in curved engineered neck; Grade 100 main beams

Read from the manufacturer's published page on September 25, 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 FMAX208 page →