A quartet of SD60MACs were built by EMD to test Siemens alternating current traction equipment and the builder’s HTCR-II radial (steerable) truck. Constructed on a 74-foot frame, the 3,800 hp SD... (more)

Three Burlington Northern EMD SD60MACs power Soo Line No. 430 through a lazy s-curve along the Mississippi River south of Bellevue, Iowa, on October 17, 1993. Soo was testing these locomotives at ... (more)

Soo Line tested the Burlington Northern SD60MACs in 1993. Here, Nos. 9500, 9503 and 9502 are leading Soo Line train No. 430 and is meeting train No. 431 led by a Soo SD60 at Green Island, Iowa, on... (more)

Soo Line tested the Burlington Northern SD60MAC demonstraters in 1993. Here, Nos. 9500, 9503 and 9502 are leading Soo Line train No. 430 through the Iowa countryside north of Green Island on Octob... (more)

Soo Line tested the Burlington Northern SD60MACs in 1993. Here, Nos. 9500, 9503 and 9502 are leading Soo Line train No. 430 and is meeting train No. 431’s passing caboose at Green Island, Iowa. ... (more)

Soo Line tested the Burlington Northern SD60MACs in 1993. Nos. 9500, 9503 and 9502 lead Soo Line train No. 430 up 2nd street in downtown Bellevue, Iowa, on October 17, 1993.