The big porches are unique on the Dash 2. Pre-Dash 2(1972) SD40's had a little extra space but not a lot. Not sure about a bigger fuel tank on the Dash 2's but the HTC truck has a longer …

Generally, the difference is that the SD40-2 has a modular electrical system, while the SD40-3 has a microprocessor control system. The SD40-3's are rebuilds of other units, so the exact …

I have added many sets of working ditch lights to locomotives, including the SD40-2, and it is not that difficult. I'm making the assumption that you are using DCC in the instructions below for …

If your prototype has Q-fans, then the proper Athearn dynamic brake section on your SD40-2 should have a silencer-style exhaust assembly on top. Also, the "blister" area around the …

ScaleTrains new SD40-2 models somehow found a way to my house yesterday and I thought I'd share my initial thoughts on these awesome models. I picked up a Burlington Northern model …

My personal preference is the Kato SD40-2 & SD38-2's. The Athearn models are better detailed at this point, but I am not happy with the 'leaning tree' issues they have with their handrails. …

Hi everyone, I've got a Scaletrains NS Rivet Counter SD40-2 that features the factory equipped Loksound V4 sound decoder. I'm having problems with it running intermittently and the lights …

In looking at Don Strack\'s UP Locomotive roster site, all four of these SD40\'s were built in 1966. The 3055, 3028, and 3014 were ultimately sold and rebuilt to SD40-2 standards (with the 3014 …

For the heck of it, I hit F18 on my older run V4 Loksound SD40-2 and got the same wretched noise for 'sanders'. The only difference is on the V5's ESU has made this F18 sander noise as …

Don't know about the cost of an SD40-2 but I recall talking to a GE Rep. in Marion Ohio in March of 1975, he said the 3 new UP U30-C's that were ready to depart west that same day cost …