Bachmann still calls it DD40AX, when it should be DDA40X or DD40X, but I'm digressing. I'll let the pictures do the talking: - LED headlights and strobe, in DCC mode. 100 ohm resistor was …

True, the DD40AX was two SD 40-2 power plants bolted to a single chassis, but for its time, it was one red-hot tamale. Also recall that UP experimented with big-powered GE units, with turbine …

Athearn's DD40 is almost an exact of EMD's DD35. In the 70s I took a DD35, and using Athearn's FP45 body as the cab scratchbuilt a DD40.

Does anyone know what the minimum radius for the HO Athearn DDA40X? I have five of these and am about to start planning a layout but don\\'t want to have the curves too sharp. I read …

One time all they had was a DD40AX (6910 I think) that they gave us for power on the Yoder local. Yes, it was despiration to get their train out of Cheyenne. When I entered the tunnel near …

I have done three Bachmann DD40AX DCC installations. Here's some thoughts about the project. The Bachmann is designed with a split frame, as another post stated. One side of the frame is …

For whatever reason I can't reprogram the locomotive address of this N scale model to accept its engine number (6910) instead of the factory-programmed '003'. I keep getting that dreaded …

Jun 15, 2006 · Anyone know why the 6936 is going to Oregon and does anyone have a current location? UP 6936 DD40AX Pocatello ID Arrived 06/15/2006 08:29 Lakyard OR 06/17/2006 …

There is disagreement among specification sources on which gear ratios the UP DD35s had. If the ratio for the DD35 was 62/15 vs. 59/18 for the DD40AX, then that would give quite a …

I am in the process of researching building 1:29 scale EMD DD35 Series and DD40 Series diesel locomotives. My question is does anybody have or have access to the four axle builders truck …