Vickers VR180 Vigor crawler cable bulldozer, Tetrarch, operating weight 17 tons, maximum speed 16 km/h. Engine: Rolls-Royce C6SFL 190 HP >1500 pieces, Manufactured in the England in 1952-61.
Black Rat Mining models, Bruce Rolston New Zealand, blackratmodelcollection@hotmail.com, LE 50 pieces, BRM001, handmade, made in England in 2002.