MRC AD520 Auto Reverse Module for DCC Reverse Loop Section 1.55 Tires supporting the internal gears and

supporting the internal gears and outdrives while transmitting rotational movement smoothly through the diff assembly

making this a popular choice for racers looking to shave rotating mass without sacrificing durability

mounting haardware

Update ESC software via the Internet

One skid plate Mounting hardware

MRC AD520 Auto Reverse Module for DCC Reverse Loop Section 1.55 Tires supporting the internal gears andMRC AD520 Auto Reverse Module for DCC Reverse Loop Section Descripiton: Automatically change polarity of your reverse loop or reversing section. Easy 4 wire hookup. Up to 5 amp output. Not for use on non DCC layouts or with nondecoder equipped locomotives.