Athearn RTR 73747 HO Scale EMD SD40 Undecorated DCC & Sound Styrene Paving Sheet Ring & Pinion Gear30/15T 2:1

Ring & Pinion Gear30/15T 2:1

the DC current is “chopped” back into AC to power the traction motors

Four different self-contained magnifications are possible using this head-mounted magnifier: 1

Battery box fits standard LiPo batteries & 6-cell NiMH

Athearn RTR 73747 HO Scale EMD SD40 Undecorated DCC & Sound Styrene Paving Sheet Ring & Pinion Gear30/15T 2:1Athearn RTR 73747 HO Scale EMD SD40 Undecorated DCC & Sound These units are detailed to match the PC CR units depicted elsewhere in this packet. This was a common standard version of the SD40, and makes a great starting point for a freelanced scheme or super detailing project for your favorite railroad. FEATURES: LED lighting Photo etched stainless steel windshield wipers Separately applied wire grab irons and air tanks Curved radiator fan grab iron