The wallypower50X is a 15.40-metre current production yacht in Wally's wallypower family. Official technical data gives a 4.50-metre maximum beam and 1.20-metre draft.
Wally lists Mercury Verado V10 425 outboards; Mercury Racing V8 500R optional. Published unladen displacement is approximately 13.50 tonnes. Fuel capacity is 2,800 litres. Water capacity is 240 litres. Maximum speed is up to 54 knots. Cruising speed is up to 36 knots. Published range at cruising speed is 280 nautical miles. Wally labels the current technical sheet preliminary. Maximum speed and cruise fields use the published optional 500R figures.