MRC Throttlepack 9900 80w [DC Model Train Powerpack] Era_1960 + In the opposed-piston motor

In the opposed-piston motor

Athearn Genesis G19578 HO Scale F3A/F3B Southern Pacific SP 307/505

000 (50-16) Ork Runtherd and Gretchin

Optional matching SSD Pro Aluminum C hubs for SCX10 II are available

Partially-blanked cab windows

MRC Throttlepack 9900 80w [DC Model Train Powerpack] Era_1960 + In the opposed-piston motorMRC Throttlepack 9900 80w DC Model Train Powerpack The Throttlepack 9900 replaces MRC's Trainpower 6200 (AA222) with a complete revamp and new circuitry. The Throttlepack 9900 operates more efficiently and under cooler temperatures. Rated at 80 watts (5. 5 amps) vs. the Trainpower 6200's 60 watts (3. 5 amps) the new design provides much more power. The Throttlepack 9900 has a mode switch to increase the voltage from smaller scales (HO & N), making it