500-1278 MRC Tech 7 Power Pack Bunkers - Under Hoist Support

- Under Hoist Support

Double-Throw Reversing Switch

This model is equipped with a TCS WOWSound® decoder featuring true CD-quality audio and a Keep-Alive® system for smooth

Detail heavy-duty HO flatcars (available separately) with this detailed Transformer Load kit from SceneMaster

control valve

500-1278 MRC Tech 7 Power Pack Bunkers - Under Hoist SupportTech 7 Ampac 780 Power Pack Features two independent Tech 7 units in one housing. It is designed to control two trains in different blocks with common rail. This dual unit not only has a total output of 20VA, but features that include revolutionary slow speed circuitry and Accutec Technology (TM). Other popular features include: Proportional Tracking Control, Automatic Circuit Protector, Advanced Slow Speed Circuitry, Main Line Direction Switch and