CAT 420 F2 IT Backhoe 30th Anniversary Black Edition 1:50 scale Diecast Masters Diecast Model This CAT 420 F2 IT Backhoe (30th Anniversary Black Edition) diecast model is black & features working backhoe, boom, bucket, stabilisers, wheels. It is made by Diecast Masters & is 1:50 scale (approx. 16cm / 6.3in long).