The wallytender48 is a 14.50-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 Volvo Penta IPS 650 propulsion. Published unladen displacement is approximately 11.50 tonnes. Fuel capacity is 1,400 litres. Water capacity is 240 litres. Maximum speed is up to 38 knots. Cruising speed is up to 32 knots. Published range at cruising speed is 310 nautical miles.