This article offers a detailed look at the most widely used models of locomotives produced by electromotive division, which is the sd70m family, a multipurposed d. The prime mover runs an alternator that produce ac, which is rectified to dc, just like the sd70m 2. All locomotives of this series are hood units with cc trucks, except the sd70acep4 which has a b11b wheel configuration. The sd70ace is no longer in production in the united states due to its emd 710 engines failure to meet epa tier 4 emissions regulations. All shared standardized components, including the frame, cab, generator, trucks, traction motors, and air. Sd70ms can replace four 4 sd402s 450,000 kg collision posts for increased crew protection framemounted anticlimbers improve crew and equipment protection sd70m fact sheet april 2006. The model uses a 20cylinder version of emd s 710g prime mover, and is the first diesel locomotive to use a 20cylinder engine since emd s sd45 and sd45 2. Emd gp38 emd gp40 emd gp9 emd sd40 sd402 emd sd50 sd60 emd sd70 ace emd sd70m2 emd sd90 mac emd switchers ge c45accte ge es4400dc ge es44ac mk 5000. Like the sd70ace, the locomotive was rated at 4,300 hp. Highly reliable and versatile dc power performance specifications reliability and serviceability 4,300 thp locomotive equipped with true 92day maintenance intervals emds 16710g3ct1 engine oilfilled gear cases. This new truck allowed the locomotive to transfer its power to the rails more efficiently, which in turn enabled two sd70m locomotives to pull a train that would have taken 3 sd402s to pull. Onetime diesel champ steps back into the ring berkshire partners.
Any digital scale drawings available for the sd70ace, sd70m2. Also in mid 2000, emd began building sd70m s along with sd70macs with flared radiators similar to those once used on the sd45. Introduced in 1992, emd sd70m was a 4000 horsepower locomotive that ran on emds new steerable truck design, known as the htcrii radial truck. The sd45t 2 is a 6axle dieselelectric locomotive built by emd for the southern pacific railroad. So successful was the series that one can spot them virtually any place on practically any given train class is included, even today, nearly 30 years after the last sd402 rolled off of the assembly line. The sd70ace has been designed to fit the latest epa standards and regulations, and sports 4300 horsepower. In the past, of course, there have been spotting differences, between say, concurrently produceded sd70ms and sd70macs, c44acs and c449ws. In order to meet stricter diesel locomotive emissions standards imposed by epa tier ii regulations, emd modified the sd70mac to create the sd70ace and sd70m 2. Media in category emd sd402 locomotives the following 12 files are in this category, out of 12 total. May 10, 2010 any digital scale drawings available for the sd70ace, sd70m 2 and es44ac. The emd sd70ace was born out of necessity, with epa tier 2 regulations off in the distance emd.
Production commenced in late 1992 and since then over 4,000 units have. American flyer sd70ace diesel locomotive owners manual. They are operated by two railroads, norfolk southern and. It introduced a wide radiator housing similar to ge transportation locomotives and the placement of dynamic brakes at the rear of the locomotive, which is a quieter location, features that. Media in category emd sd70 locomotives the following 3 files are in this category, out of 3 total. Sep 16, 2016 the emd sd70 is a series of dieselelectric locomotives produced by electromotive diesel in response to the ge dash 944cw. Railflyer canadian national cn sd701, sd751, sd70m2. Although higherhorsepower locomotives were available, including emds own sd452, the reliability and versatility of the 3,000horsepower sd402 made it the. The vast number of sd70 diesel locomotives produced since the early. 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 sd8090 body. Emd sd40 sd402 diesel locomotives the electromotive division s sd40 and sd402 have become icons, even in their own time. Ge evolution series wikimili, the best wikipedia reader. Sd70acesd70m2 and late sd70m cabnose differences at.
Lastly there is also the emd sd70m2 design, which looks virtually identical to. The emd sd40 2 is a 3,000horsepower 2,200 kw cc dieselelectric locomotive built by emd from 1972 to 1989. In 1993, the general motors electromotive division emd introduced a radical design change, the sd70 mac. The emd sd70acu is a 6axle 4,300 hp 3,200 kw road switcher dieselelectric locomotive originally built by general motors electromotive division as an sd90mac, and rebuilt by the norfolk southern railway and progress rail services. This results in over a third more continous traction effort than the sd70m 2 as well as a higher starting traction effort. In order to meet stricter diesel locomotive emissions standards imposed by epa tier ii regulations, emd modified the sd70mac to create the sd70ace and sd70m2. To operate in legacy mode, you need a legacy command base and legacy cab2 remote controller 614295. The sd70m 2 is the sd70aces dctraction counterpart. A serviceproven workhorse, the sd70ace is in operation across the. Each model is powered by a 16cylinder, 4300horsepower diesel engine. The sd70 volume 2 addon includes sd70 ace, sd70mac and sd70m2 versions of this modern us freight hauler for train simulator. The phase ii sd70m cabnose and the sd70ace cabnose are different. New update tower 55 sd70acem2 website production news. Milliporesigma provides safety data sheets on all hazardous chemical products in more than 35 languages and in.
The sd402 was developed from the sd40, the most visible difference is probably bigger platforms on the sd402. The emd sd70 is a series of dieselelectric locomotives produced by electromotive diesel in. On later sd70m orders, emd began building the units with what is known as the phase 2 cab, featuring a more squared off nose similar to the cab later used on the sd70m 2 and sd70ace. Our new tier 4 locomotive meets the stringent emissions regulations. Your commands are sent by the cab2 remote controller to the command base, which sends. Start up button legacy control operations for the finest operating experience, your locomotive is fully compatible with the legacy control system. Emd as the worlds premier provider of dieselelectric locomotives. The emd sd70m is available in southern pacific livery and is also quick. Production commenced in late 1992 and since then over 5,700 units have been produced. The emd sd70 is a series of dieselelectric locomotives produced by electro motive diesel in. Sd70acet4 locomotive to reduce nox by an additional 80 percent and particulates by 70 percent while delivering worldclass fuel efficiencyand the leading reliability, maintainability and safety the railroads expect from emd locomotives. The emd sd402 is a 3,000horsepower 2,200 kw cc dieselelectric locomotive built by emd from 1972 to 1989 the sd402 was introduced in january 1972 as part of emds dash2 series, competing against the ge u30c and the mlw m630.
The sd40 2 was developed from the sd40, the most visible difference is probably bigger platforms on the sd40 2. The issue of whether or not the cab and nose are different between the sd70ace sd70m 2 models and the sd70m with phase ii cab has been talked about numerous times recently with differing opinions. Cdrive locomotive, representing close to 60% of the north american freight orders for d. Dear customer, congratulations on your purchase of this highly detailed replica of the electromotive emd sd70 mac. Yard slugs for sd402, rebuilt from mt6rpe6y slugs and sd40sd38 units. Like the later, sd40t 2 it is colloquially nicknamed a tunnel motor. Norfolk southern ns, florida east coast fec, and canadian national cn were the only customers to purchase this locomotive new. Sd402 spec sheet model sd402 horsepower 3000 diesel engine 16645e3 r.
These included sixaxle models sd38, sd40, sdp40 and sd45. Conrail acquired its sd402 fleet new from emd in 1977, 78 and 79. This new truck allowed the locomotive to transfer its power to the rails more efficiently, which in turn enabled two sd70m locomotives to pull a train that would have taken 3 sd40 2 s to pull. The emd sd70 mac changed the railroad industry the same way the boeing 707 changed the commercial airline industry. Emd could not successfully modify the sd70aces 2stroke 710 series prime mover to. Up 7393 rolls along near 70 mph southwest of white city with the zg4cid29 a premium intermodal that originated at global 4 in joliet, il and is bound for the city of industry, ca. Canadian national cn sd701, sd751, sd70m2 railflyer 63129. Like the later, sd40t2 it is colloquially nicknamed a tunnel motor. On later sd70m orders, emd began building the units with what is known as the phase 2 cab, featuring a more squared off nose similar to the cab later used on the sd70m2 and sd70ace. But in the sd70ace the dc is chopped into ac by a computer which precisely controls the traction motors. It was a dramatically improved product that provided the railroad industry much greater economy and efficiency. Production commenced in late 1992 page needed and since then over 5,700 units have been produced.
An sd40t2 is a 6axle road switcher dieselelectric locomotive built by general motors electromotive division having a 16cylinder emd 645e3 diesel engine producing 3,000 horsepower 2,240 kw. Any digital scale drawings available for the sd70ace, sd70m2 and es44ac. In the past, of course, there have been spotting differences, between say, concurrently produceded sd70m s and sd70macs, c44acs and c449ws. The emd sd70 is a series of dieselelectric locomotives produced by electromotive diesel in response to the ge dash 944cw. This locomotive and the sd45t2 are popularly called tunnel motors, but emds term is sd402s with cooling. Overall, general electrics c449w leads in total sales. The sd70ace is the latest in the line of emds 70 locomotives, an evolution of the sd70mac, although its radiator design harkens more to that of the sd8090 body. Emd sd40 2 was built from 1972 until 1986 in a total of almost 4000 and became the standard american locomotive of the 1970s and 1980s. From april 1986 to december 1989, 126 were rebuilt and re.
The effort continues to enhance athearn genesis models per customer requests and feedback. The sd70m2 previously known as the sd70dce during the early stages of. Of course, you should read your manual over before running your engine. Archived from the original pdf on november 14, 2004. The emd progress rail sd70ace is a sixaxle, 4300 horsepower, actraction diesel locomotive which was first introduced in 2004, and was produced from 20052015. I keep having a hard time rememembering a critical detail about the new emd and ge models. Safety data sheets include information such as physical and chemical, toxicological and ecological properties, health effects, first aid measures, reactivity, storage, disposal, protective equipment, accidental release measures. Your commands are sent by the cab 2 remote controller to the command base, which sends.
The sd70 series was first introduced in 1992 and has been very successful for. The sd45t2 is a 6axle dieselelectric locomotive built by emd for the southern pacific railroad. Like its predecessor in emds catalog, the sd35, the sd40 is a highhorsepower, sixaxle freight locomotive in 1966, emd updated its locomotive catalog with entirely new models, all powered by the new 645 diesel engine. Other than the cr paint scheme these units were built to ns specifications and. Any digital scale drawings available for the sd70ace. Emd sd402 was built from 1972 until 1986 in a total of almost 4000 and became the standard american locomotive of the 1970s and 1980s. General motors electromotive division first introduced the sd402 on january 1, 1972 with the rest of the dash 2 line, by december 31, 1978, the sd402 was the best selling 6 axle road switcher in history with over 2500 units sold throughout north america. Cn has the most sd70m 2 s of any railroad, at 190 units. To operate in legacy mode, you need a legacy command base and legacy cab 2 remote controller 614295.
The sd70 series of diesel locomotives, launched by the general motors electromotive division in 1992, have become a familiar sight across the length and breadth of the united states, with over 4,000 of the different. The sd70ace locomotive emd introduced the sd70ace locomotive in 2005 with advanced technologies for safety, reliability and sustainability. Also in mid 2000, emd began building sd70ms along with sd70macs with flared radiators similar to. Introduced in 1992, emd sd70m was a 4000 horsepower locomotive that ran on emd s new steerable truck design, known as the htcrii radial truck. Our relationships with emd and the railroads allow us to get up close and personal with each of these locomotives. The model uses a 20cylinder version of emds 710g prime mover, and is the first diesel locomotive to use a 20cylinder engine since emds sd45 and sd452. The prime mover runs an alternator that produce ac, which is rectified to dc, just like the sd70m2. The ns, cn, and fec sd70m2 models and potentially a group of emd sd70m2 demonstrators will be included in the fourth group. The emd electro motive division sd70ace often nicknamed ace or the ace. This results in over a third more continous traction effort than the sd70m2 as well as a higher starting traction effort. Emd sd70m 2 emd sd90 mac emd switchers ge c45accte ge es4400dc ge es44ac. It introduced a wide radiator housing similar to ge transportation locomotives and the placement of dynamic brakes at the rear of the locomotive, which is a quieter. All locomotives of this series are hood units with cc trucks, except the sd70acep4.