Kato 176-8965 N GE ES44AC Union Pacific Nose Flags Locomotive #5395 DCC READYKato 176 8965 N GE ES44AC Union Pacific Nose Flags Locomotive #5395 DCC READY Prototype Information: The ES (Evolution Series) of locomotives are built by GE Transportation Systems and designed to meet the U. S. EPAs Tier 2 locomotive emissions standards that took effect in 2005. These Evolution Series locomotives are equipped with AC traction motors and are powered by a newly designed GEVO 12 12 cylinder engine that produces the same power as the 16