What the 2025 Ram 3500 is
The Ram 3500 is the heaviest Ram pickup — the one-ton, max-capability platform aimed at fifth-wheel haulers, large gooseneck loads, commercial fleets, and ranchers. It comes in Single-Rear-Wheel (SRW) and Dual-Rear-Wheel (DRW, or dually) configurations; the dually is what unlocks the highest payload and tow ratings. Powertrains mirror the 2500 — standard 6.4L HEMI V8 with 405 hp, optional 6.7L Cummins turbodiesel I6 in standard (370 hp / 850 lb-ft) or high-output (430 hp / 1,075 lb-ft) form. The HO Cummins paired with DRW and the right axle ratio is what produces Ram's headline 36,610 lb fifth-wheel tow figure.


