Diamond C PX312: Pintle Hitch
Specifications, configurations, and buyer fit for the Diamond C PX312 Pintle Hitch.
The PX312 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
| GVWR | 30,000 lb (40,000 lb optional) |
|---|---|
| Lengths | 25-40 ft |
| Width | 102 in bed |
| Axles | 3x 12,000 lb Lippert |
| Tires | 14-ply all-steel radial (upgrade 215/75R17.5 16-ply) |
| Coupler | Pintle eye (60,000 lb) |
Triple dual-wheel pintle deckover; 16-18 in low-profile engineered beam frame; 40K GVWR package adds frame and tongue reinforcements; 16 in engineered tongue with 60,000 lb pintle eye; channel lace rail with stake pockets and pipe spools; HD V-tongue lid with gas shock assist; retractable front deck steps; 3/16 in diamond plate tire covers
Read from the manufacturer's published page on September 26, 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 PX312 page →