Top Hat Gooseneck 300: Gooseneck 300 Lo Profile Super Duty
Specifications, configurations, and buyer fit for the Top Hat Gooseneck 300 Gooseneck 300 Lo Profile Super Duty.
The Gooseneck 300 is a current Top Hat model. The published specifications below come from the manufacturer’s spec sheet. Confirm the current numbers with your dealer before you buy.
Published Specifications
| GVWR | 30,000 lb |
|---|---|
| Lengths | 20-40 ft |
| Width | 102 in |
| Axles | Dexter, 15,000 lb per axle |
| Brakes | Electric, Nev-R-Adjust |
| Tires | ST215/75R/17.5 LRH |
| Coupler | 2-5/16 in round adjustable gooseneck coupler |
Frame 14 in x 22 lb I-Beam; neck 12 in x 19 lb I-Beam; crossmembers 4 in Channel 16 in OC thru frame; side rails 8 in Channel 3/8x2 Flat Rubrail Stake Pockets 24 in OC Pipe Spools Between Each Stake Pocket; frame to Crossmember Gussets Anti Flex Torx Tube on 32 ft & Longer Low Profile
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
Top Hat 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 Top Hat Gooseneck 300 page →