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Sea Ray 510 Sundancer
Draft (max): 4'1"
Displacement (approx.): 43,700 lb.
Transom Deadrise: 19 degrees
Bridge Clearance: 14' 3/4" (top of mast)
Max Cabin Headroom: 12'0"
Fuel Capacity: 400 gal.
Max Horsepower: 1,186
Available Power: Twin Cummins QSC diesel V-drives up to 1,186 hp; twin Zeus pod drives up to 1,086 hp
There’s six feet of space between the helm of Sea Ray’s 510 Sundancer and the base of its windshield. Space allowing sunlight to pour belowdecks. Coupled with the cozy lounge at the bottom of the companionway steps and hull windows, this creates an atrium at the nexus of galley, staterooms and salon. The light, coupled with the sense of limitless headroom, delivers one of the freshest sport yacht designs we’ve yet tested. It proved to be one of numerous reasons those desiring a big cruiser should sea-trial this new ’Dancer.
Our test boat housed twin 593 hp Cummins QSC 8.3-600 diesel V-drives with digital throttle and shift (DTS). These are an upcharge from the base 543 hp QSC 550s with DTS, but not necessarily an upgrade in my view, since the torque curves for both engines are identical and it is torque, not power, that turns propellers.
Engine-room access is via a large hatch. I noted excellent serviceability and robust rigging: filters and dipsticks mounted on the inboard sides of both engines, unobstructed access to seacocks, rugged engine mounts and secure support of wires and hoses. The entire cockpit sole is removable should a repower be required. My only gripe concerned the lack of labels on the fuel return and supply valves.