Ocean Alexander 548 Pilothouse Yacht Search Stock & Used Yachts The 548 Pilothouse is a flybridge boat from American builder Ocean Alexander. Constructed from fibreglass, the 548 Pilothouse has a planing hull design and a top speed of 23 knots. Read More Specs Length 55' 7" Materials Fibreglass Hull & Superstructure Show Full Specs Hide Full Specs Full Specification Principal Characteristics Length overall 55' 7" Beam 17' 6" Draft (full load) 4' Fuel capacity 1,000 Gallons Fresh Water capacity 260 Gallons Black water capacity 80 Gallons Max speed 23 Knots * Cruising speed 20 knots * Hull GRP Superstructure Fibreglass Engine Options & Performance Standard Option Detroit Diesel 6-71TI Maximum QTY x 2 Performance 485 HP (362 Kw) each @ 2500 rpm Maximum Speed 23 knots Engine Details Compare Option #2 Caterpillar 3196 E02 QTY x 2 Performance 660 HP +175HP (492 Kw) each @ 2300 rpm Maximum Speed - Engine Details Compare Engine Options Compare Engine Options * Depending on engine option Show Full Specs Hide Full Specs