800-6000 Circuitron Tortoise Switch Machine Vehicles Add more operating fun to

Add more operating fun to Walthers Trainline and other HO sets (sold separately) in minutes with easy to use Power-Loc(TM) track

The Atlas HO Scale Code 100 65' Through Plate-Girder Bridge is based on a commonly used bridge used across North America

Typical American diesels of the time had only 2000 HP or less

Also note the change of the truck type to Hydrashox trucks

Direction control switch

800-6000 Circuitron Tortoise Switch Machine Vehicles Add more operating fun toThe Tortoise(TM) Switch Machine Easy to install and wire, slow motion switch machine takes three seconds to complete the throw using a precision gear drive. Includes linkage and features auxiliary contacts for two SPDT switches.