Many operational, several retired due to wrecks, two preserved (one SD70ACe and one SD70MAC). The EMD SD70 is a series of diesel-electric locomotives manufactured by Electro-Motive Diesel. …

Model: ? Quantity Built: ?

The EMD (Electro-Motive Division of General Motors), SD70MAC is a six-axle, 4,000-4,300 horsepower diesel-electric locomotive built from 1993 to 2004.

Across the industry the most successful SD70 has been the SD70MAC. The MAC carries the same wide-cab design as the SD70M except that it also features AC (alternating current) traction motors.

The SD70MAC was a groundbreaking locomotive, as it truly ushered in a new era of power policies and orders. It was the first production AC traction freight locomotive in North America, with Burlington …

Apr 25, 2021 · EMD’s SD70MAC was the first production alternating-current traction locomotive to be delivered to a customer when Burlington Northern accepted the first of hundreds of SD70MACs in …

Jan 24, 2026 · The SD70MAC was introduced in 1993 following two years of tests with four SD60MAC prototypes. It was EMD's first production locomotive with AC traction motors and, along with the rest …

SD70 DIESEL HORN COLOR? SD70 SINCLAIR ATENNA COLOR? SD70 DITCH LIGHT PLATES TOP & BOTTOM COLOR? SD70 LONG STEP COLOR? SD70 CAB STEP COLOR? SD70 BRAKE BOX …

Jul 31, 2025 · Burlington Northern Santa Fe 9400, the SD70MAC diesel locomotive that pioneered AC traction for freight service in the United States when it was built in 1993, has been donated by BNSF …

The Alaska Railroad (ARRC) owns 28 SD70MAC locomotives, which make up more than half of ARRC’s 51-unit locomotive fleet. “SD” refers to Special Duty and “MAC” translates to “M” for Modified cab …