Sea Ray 340 Amberjack Yacht Search Stock & Used Yachts The 340 Amberjack is an express cruiser from American builder Sea Ray. Constructed from GRP, the low-profile 340 Amberjack has a planing hull design. Read More Specs Length 38' Materials GRP Hull & Superstructure Show Full Specs Hide Full Specs Full Specification Principal Characteristics Length overall 38' Beam 13' 5" Draft (full load) 2' 11" Fuel capacity 275 Gallons Fresh Water capacity 50 Gallons Black water capacity 28 Gallons Dry weight 16,499lbs Hull GRP Superstructure GRP Engines & Performance Standard Option Mercury Mercury Diesel TDI 4.2L 370HP QTY x 1 Performance KW only available 365 HP (272 Kw) each @ 4200 rpm Maximum Speed - Engine Details Show Full Specs Hide Full Specs