The SD70MACe is a rebuilt SD70MAC locomotive with new Mitsubishi electronics and traction motors to replace the Siemens traction motors. It was first rebuilt for the BNSF Railway, [57] and later rebuilt …

Sold to CRGX. To WFRX, to ARR. To WFRX.

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.

Apr 25, 2021 · Small groups of SD70MACs have been upgraded by BNSF and CSX to SD70MACes by eliminating outdated A.C. inverters in an attempt to give the locomotives additional years pulling …

Today, the SD70MAC can still commonly be seen hauling various coal trains or being assigned to coal drag service on the BNSF, as well as being a common hauler on the TFM portion of the KCS …

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 …

EMD SD70MAC - 302 of 781 units Road Numbers Builder Date Date Date Notes BNSF # BN # Number Built Rebuilt Retired 8800 976814-84 Jan 99 8801 976814-85 Jan 99 8802 976814-86 Jan 99 8803 …

Aug 1, 2025 · BNSF Railway donated a historic SD70MAC to the Illinois Railway Museum. Locomotive 9400 was built in 1993 and is notable for being the first production locomotive (i.e., non …

Mar 4, 2026 · BNSF has been sending its older EMD SD70MACs to scrap. BNSF railroad is scrapping older EMD SD70MAC locomotives, with some still in service and others being replaced by newer …

Dec 24, 2011 · The Electromotive Division SD70MAC is the AC traction version of the SD70M, built from 1994 to 2004. Like the SD70M, it uses a 16 cylinder 710 engine to produce 4,000 HP. Based on the …