the “under lower deck.” It’s a tunnel that runs the entire length of the yacht, starting at the engine room ... delight they want with the engineering smarts they need. LOA: 150’11” Beam: 30’6” Draft ... : Idromar, 3,698 GPD Engines: 2 x 2,040-hp Caterpillar 3512B diesels Speed: 17 knots max, 12 knots ...