Ocean Alexander 630 Motoryacht Search Stock & Used Yachts Read More Specs Length 63' Show Full Specs Hide Full Specs Full Specification Principal Characteristics Length overall 63' Beam 17' 6" Draft (full load) 4' 4" Fuel capacity 1,100 Gallons Fresh Water capacity 300 Gallons Black water capacity 75 Gallons Max speed 20 Knots * Cruising speed 20 knots * Engines & Performance Standard Option Caterpillar 3196 E02 QTY x 2 Performance 660 HP (492 Kw) each @ 2300 rpm Maximum Speed - Engine Details Compare Option #2 Detroit Diesel 8V-92TA QTY x 2 Performance 735 HP +75HP (548 Kw) each @ 2300 rpm Maximum Speed - Compare Engine Options * Depending on engine option Show Full Specs Hide Full Specs