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The EMD SD70 is a series of diesel-electric locomotives produced by the US company Electro-Motive Diesel. This locomotive family is an extension and improvement of the EMD SD60 series . Production commenced in late 1992 [ 1 ] [ page needed ] and since then over 5,700 units have been produced; most of these are the SD70M, SD70MAC, and SD70ACe ...
The following is a list of locomotives produced by the Electro-Motive Corporation (EMC), and its successors General Motors Electro-Motive Division (GM-EMD) and Electro-Motive Diesel (EMD). Streamlined power cars and early experimental locomotives
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EMD introduced their new 710 engine in 1984 with the 60 Series locomotives (EMD SD60 and EMD GP60), the EMD 645 engine continued to be offered in certain models (such as the 50 Series) until 1988. The 710 is produced as an eight-, twelve-, sixteen-, and twenty-cylinder engine for locomotive, marine and stationary applications.
The series is an improvement and extension to the EMD SD70 series, which further is an extension to the EMD SD60. These locomotives were built as a response to General Electric's Dash 9-44CW, where as their cousins, the SD70MAC, were built in response to General Electric's AC4400CW. By increasing the output of the 16-710-G3 engine from 4,000 to ...
Few or no EMD GPs and no EMD SDs were ordered with plain bearings, and any plain bearing-equipped GPs were later updated to incorporate roller bearings. [citation needed] Modern examples include the EMD SD70 series and the GE AC6000CW, one of the most powerful examples producing 4,500 kW (6,000 hp). [citation needed]
The SD70M-2 uses the AR20/CA7 alternator that was used in the SD70/75 series, While the SD70ACe uses the TA17 that was used in the SD70MAC. The computer systems are largely the same, FIRE for the operator screens was used on SD70MAC's since 1997 at least. They still have the EM2000/EMDEC system.
A Norfolk Southern EMD SD60E locomotive in Ayer, Massachusetts. The SD60E is a custom rebuild of standard cab SD60 for Norfolk Southern created at the Juniata Shops with the prototype being delivered in 2010 and the majority of the production taking place between 2013 and 2017. The SD60E utilizes a new NS-designed wide nose cab with increased ...