The GP-30's departures from earlier Geeps (as the GP class was called) include the relocation of all the engine's radiators to the end of the unit and the centralization of the air distribution system used to cool the traction motors

The Trainz SKU for this item is P11528604

But they had one great visual advantage over steam: their flat sides were like rolling billboards

Trainz Product Id: 11456523

red with large lettering

Lionel 6-9289 O Gauge C&NW N5C Lighted Caboose ProductID_12317703 The GP-30's departures from earlierHere is a Lionel 6 9289 O Gauge C&NW N5C Lighted Caboose. It features plastic trucks, operating knuckle couplers, interior illumination, and metal wheels and axles. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Lionel Model Number: 6 9289 Years Manufactured: 1980 1980 Road Name: Chicago & North Western (CNW) Scale Era: O MPC Model Type: Freight Cars The Trainz SKU for this item is P11402904. Trainz