Walthers 910-9405 GP15-1 Chessie ProductID_12178640 Here is a Williams 47407

Here is a Williams 47407 O Santa Fe 40' Stock Car

This is an Athearn 5358 HO Union Pacific Work Train (Set of 4)

By 1954 it was apparent that steam would continue to be required

Additional details include

Walthers 910-9405 GP15-1 Chessie ProductID_12178640 Here is a Williams 47407* Prototypes in Service 1976 to the Present * Same Durable Drive as WalthersProto(R) Locos Featuring: * Five Pole Skew Wound Motor * 14: 1 Gear Ratio * Helical Cut Gears for Quiet Operation & Easy Multiple Unit Operation * All Wheel Drive & Electrical Pickup * Dual Machined Brass Flywheels * Heavy Diecast Chassis * Constant & Directional Lights * Correct Air Intake Details per Prototype * RP 25 Metal Wheels * Proto MAX(TM) Metal Knuckle Couplers