Walthers Mainline 910-19958 HO Scale EMD F7A Diesel Amtrak 101 DCC Sound 70 Piece Puzzle There’s no engine hook –

There’s no engine hook – just add a few layers of masking tape around the middle of the engine for a friction fit and engine retention during flight

This signal is analyzed and lap times are calculated

Auto World expanded the design by adding a Neodymium magnet for better control

Quick-release battery hold-down for fast battery changes

Walthers Mainline 910-19958 HO Scale EMD F7A Diesel Amtrak 101 DCC Sound 70 Piece Puzzle There’s no engine hook –Walthers Mainline 910 19958 HO Scale EMD F7A Diesel Amtrak 101 DCC Sound Add classic diesel power to your HO roster in minutes with WalthersMainline F7 diesels! Introduced in 1949 as railroads began dieselizing with a vengeance, they were equally at home in freight or passenger service. Delivered in a rainbow of color schemes for nearly every railroad in America, many served into the 1980s. Ready to take on any assignment on your HO railroad.