Class One Model Works LM00458 EMD GP40N 1A3 Rebuild Union Pacific UP 1487 DCC & Sound with Tru-Fans Slot Car - HO Packaging securely holds the model

Packaging securely holds the model for safe storage

Double-fan mounting holes for maximum heat dissipation

A-4F refinement of A-4E with extra avionics housed in a hump on the fuselage spine (this feature later retrofitted to A-4Es and some A-4Cs) and more powerful J52-P-8A engine with 9

built 9-10/67

Class One Model Works LM00458 EMD GP40N 1A3 Rebuild Union Pacific UP 1487 DCC & Sound with Tru-Fans Slot Car - HO Packaging securely holds the modelClass One Model Works LM00458 EMD GP40N 1A3 Rebuild Union Pacific UP 1487 DCC & Sound with Tru Fans The GP40N program is part of Union Pacifics extensive rebuild initiative, transforming veteran GP40 2 locomotives into contemporary road power with upgraded electronics, improved reliability, and updated control systems. These rebuilds retained the proven 3,000 horsepower platform while incorporating refinements that have kept them active across the