NRE 3GS21B Genset Delivery Options:Digital (3D Print Files) + Shipped Decals giving no outward indication of

giving no outward indication of their true purpose

ensuring front-line units received pilots fully qualified in the aircraft's complex avionics and weapons systems

As the locomotives aged

making this the essential building block of any Horizon Fleet train

serial 72-0180

NRE 3GS21B Genset Delivery Options:Digital (3D Print Files) + Shipped Decals giving no outward indication ofThese are N scale 3D printable files for the National Railway Equipment (NRE) 3GS21B Genset locomotive in Union Pacific Railroad markings one of the most innovative and environmentally significant locomotive designs of the 21st century. Designed to fit on an Atlas B23 7 frame. Includes UP decals. The Genset locomotive concept was developed in the 2000s as a direct response to increasingly stringent EPA Tier emissions regulations targeting diesel