After their service as EMDX leasers, CSX acquired the distinctive group of burgundy SD70Ms in the early 2000s. Instead of being immediately repainted, the units received a simple patch job on the side of the cab and continued in service for many years looking much as they did when new.
First time for CSX ex-demo units with the revised tooling
Early SD70M body
Nathan P-3 horn
Small can & whip antennas
MU receptacles & cables on each end
Prime air filters
Included, painted, but not installed: Optional digital fuel gauge (added by CSX to most units sometime after acquisition. Placement varies- consult prototype photos).