The Keep-Alive (KA) devices are used to supply power to decoders during times of power interruption due to dirty track or problematic track work

Model Number: 9181

Trainz Product Id: 12092433

Trainz Product Id: 11413373

Atlas 40002138 N New Haven Alco S2 Diesel Engine #617 ProductID_12315490 The Keep-Alive (KA) devices areThis is an Atlas 40002138 N Scale New Haven Alco S2 Diesel Engine #617. Features detailed plastic body, realistic paint, powerful 5 pole motor, heavy diecast chassis and directional LED headlights. (different train number shown) Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Atlas Model Number: 40002138 Road Name: New York New Haven & Hartford (NH) MSRP: $119. 95 Scale Era: N Scale Model Type: Diesel