The wallytender48X is a 15.00-metre current production yacht in Wally's wallytender family. Official technical data gives a 4.40-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 11.50 tonnes. Fuel capacity is 2,800 litres. Water capacity is 240 litres. Maximum speed is up to 56 knots. Cruising speed is up to 36 knots. Published range at cruising speed is 320 nautical miles. Maximum speed and cruise fields use Wally’s higher optional 500R figures; standard published figures are 50 and 34 knots.