Brand new 1/50 scale diecast models of CAT Caterpillar 977D Traxcavator (Circa 1955-1960) and CAT Caterpillar 963K Track Loader (Current) with Operators "Evolution Series" die cast models by Diecast Masters. Brand new box. Metal tracks. Era-specific operators. Multiple moving parts. Includes detailed 44-page booklet. Period-accurate colors and decoration details. Dimensions of 963K Track Loader is approximately - L-6, W-2, H-3 inches. Dimensions of 977D Traxcavator is approximately - L-5, W-2, H-2.75 inches. Evolution Series models are mounted on special bases and placed in quality flip-top packaging, protected by a black outer sleeve. A full color booklet, included with the models, traces machine evolution in words and pictures.