as they did not have the space at the rear of the engine compartment to accommodate a passenger-service steam generator

This is Bachmann 13403 HO Painted & Unlettered Passenger Coach Car

a detailed underframe

This is an American Flyer 6-49893 S FasTrack Earthen Bumper

Model Number: 18-Y12-10

Imex 6135 HO Scale Signal Tower Building Assembled VariantsUnitPrice_number_33.43 as they did not haveThis is an Imex 6135 HO Scale Signal Tower Building Assembled. Imex buildings are assembled Perma Secne cold cast resin models. Put new life in any layout scene with these assembled structures. Each is actually a one piece resin casting that's highly detailed and painted. Just take them out of the box and put them to work anywhere along your railroad! Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: