Unipower Invader 4x4 all purpose heavy duty recovery vehicle with Dial-Holmes twin boom wrecker equipment, 16 ton capacity, 10 ton lift-and-tow, 360° twin power winches. Low-line cab. Can also be operated as 4x2 on hard roads by disengaging front axle drive. Perkins V8-510 8-cylinder engine.

1970 Commercial Motor Show, Earls Court. (Peter Esposito via Chris Stanley)