Do the amp draw test quickly! It is not wise to hold the engine in a stalled position for more than a couple of seconds. In this video, we take a closer look at this mighty work horse.and for Mothers Day, w. Beginning in 2012, newly built SD70ACes were EPA Tier 3 compliant. Built from 2004 to 2014 in the United States, the SD70ACe was originally designed to comply with EPA Tier 2 locomotive emissions regulations. Most decoders will tolerate a draw of 1 amp. The EMD SD70M has become a bit of an icon of American railroading. The SD70ACe is the successor to the older SD70MAC. At that point the meter will tell you what the maximum locomotive current draw is. EMD SD70Ace, a logical follow up for my old SD70 model. The meter doesn't need to be high end!įollow the meter instruction manual to set the system up and then hold your locomotive on the tracks, apply full power and push down until the wheels stop spinning. While EMD had not yet achieved such technological advances with its locomotives the SD70ACe held its own and is a fine design. The SD70 also rides higher as its frame is approximately 12 inch (13 mm) higher than the SD60s. The Union Pacific has currently put in the largest purchase order. Railway industry powerhouse Electro-Motive Diesel (EMD) introduced its SD70 diesel-electric locomotive in 1992 to compete directly against the General Electric Transportation Systems GE 'Dash' 9-44CW mark. The SD70ACe has been designed to fit the latest EPA standards and regulations, and sports 4300 horsepower. The EMD SD70 has found a home across many rail lines of the world - though its use is primarily centered on North America. You will need a section of straight track and an older 'transformer style' train set power pack, and an amp meter. The SD70ACe is the latest in the line of EMD’s 70 locomotives, an evolution of the SD70MAC, although its radiator design harkens more to that of the SD80/90 body. Ideally, you should perform an amperage draw test on any locomotive that you want to put a decoder into before starting the conversion. If a locomotive isn't running smoothly, putting DCC into it won't correct that problem. Some older locomotives can have issues with hardened grease or dried out bearings which will interfere with their operation and cause them to draw more power than the decoder can tolerate. There is nothing preventing you from putting a DCC sound decoder in an older locomotive provided that the locomotive is running smoothly. Rooftop view of the Walthers Mainline HO scale EMD SD70ACe Wm.
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