Description
The Walthers Mainline 910-57112 HO Scale 50′ RD-4 Hopper RTR COMX 9091 adds realism to Commonwealth Edison’s coal fleet. This version represents COMX 9091 with authentic lettering. RD-4 hoppers were widely used in unit train service supplying utilities across the Midwest.
Ready-to-run, the model includes molded side panels, interior bracing, and accurate end detail. Free-rolling trucks and metal wheelsets ensure smooth operation, while Proto MAX™ couplers deliver reliable operation.
Key Features:
– Scale: HO
– Model: 50′ RD-4 Hopper
– Roadname/Number: COMX 9091
– Version: RTR (Ready-to-Run)
– Construction: Molded plastic body with interior bracing
– Trucks: Free-rolling trucks
– Wheels: RP-25 turned metal wheelsets
– Couplers: Proto MAX™ metal knuckle couplers
– Detailing: Accurate side panels and end detail
– Recommended Age: 14+






