Athearn G75636 CSXT SD60M Tri-Clops Diesel #8710 (DCC/Sound) August 16, 2026 By 0 This was most likely done to help generate sales as CSX ordered 10 SD60’s in 1989. We bring this “what if” idea to life as our Legendary Liveries series! In 1984, EMD unveiled the first four SD60 demonstrator locomotives.