1985 Sea Ray Express Cruiser Owner Needs to Sell! Bring All Offers! This 1985 Sea Ray 390 is a floating condo. With a massive helm cockpit area its perfect for entertaining. The salon/galley area is huge. Lots of boat for the money. And its one of the few Caterpillar Diesel 390s out there., Class: Power, Category: Cruisers, Year: 1985, Make: Sea Ray, Fuel Type: Diesel, Length: 39'