For most routes the RPO operation didn't require the space afforded by an entire car so the Post Office was partitioned off and the remainder of the car used for baggage and express service

Trainz Product Id: 12038739

Illuminated marker lamps

Model Number: 17-083

MTH 20-20355-1 Santa Fe E-8 ABA Diesel Engine Set w/Proto-Sound 3.0 #80/81/80A ProductID_11962302 For most routes the RPOHere is a MTH 20 20355 1 Santa Fe E 8 ABA Diesel Engine Set w PS3 #80 81 80A. Features Directionally Controlled Headlights Intricately Detailed ABS Bodies Metal Wheels, Axles and Gears Diecast Truck Sides, Pilots and Fuel Tank (2) Remotely Controlled Proto Couplersr Colorful Paint Scheme Metal Chassis Metal Handrails and Decorative Horn (2) Precision Flywheel Equipped Motors In Each A Unit Locomotive Speed Control In Scale MPH Increments Lighted Cab