This unit features a massive rear kitchen with solid-surface counters, a 4-burner stove, 18 cu ft refrigerator, and walk-in pantry. The central living space offers theater seating, a tri-fold sofa, free-standing dinette, and dual 50” TVs over electric fireplaces. The spacious front bedroom includes a king bed, full-width closet, and washer/dryer prep, while the walk-through bathroom offers double vanities and a seated shower. High ceilings, blackout roller shades, tankless water heater, and dual A/Cs add residential-style comfort throughout.

Measuring 42’5” long with a dry weight of 13,794 lbs and GVWR of 16,725 lbs, this triple-slide fifth wheel sleeps 4 and tows confidently with MORryde suspension and a RotoFlex pin box. Massive 162 gal fresh water, 84 gal grey, and 44 gal black tanks support extended boondocking. Built with an aluminum frame, heated underbelly, and solar prep, the Yukon 399ML blends durability and comfort for serious travelers.