The Norscot 336E H by Norscot in 1:50 scale first appeared in late 2013. After Diecast Masters became the licensee for Cat models, they updated the 336E H Excavator with some notable improvements. *Link to Purchase the Diecast Masters 336E H*: http://constructionscalemodels.com/en/copy-of-caterpillar-336e-h-hybrid-hydraulic-excavator