Komatsu D155 AXI (Cat D8 Deere 1050K) GPS Intelligent Dozer 

Komatsu D155AXi-8 with an integrated GPS system doing everything from digging, pushing scrapers, and using the GPS system for mass excavation, spreading, and grading accurate to +/- 0.1'. No cables, no masts, no climbing, no connections A comparison between the operator pushing and the machine pushing automatically is at 8:16.