Between 1984 and 1987, a total of 161 examples of this model were produced for two North American railroads: Norfolk Southern and Conrail.

An initial batch of 114 of the standard version of this model was built for Norfolk Southern, which then ordered a batch of 25 examples of the C39-8E (Enhanced) model, with a carbody similar to that of the C40-8.

Conrail ordered 22 of the standard version.
 After the Conrail split in 1999, 13 units of this order went to Norfolk Southern and the remaining 9 units went to CSX.

Power output: 3,900 hp (2,910 kW)
Between 1984 and 1987, a total of 161 examples of this model were produced for two North American railroads: Norfolk Southern and Conrail.
An initial batch of 114 of the standard version of this model was built for Norfolk Southern, which then ordered a batch of 25 examples of the C39-8E (Enhanced) model, with a carbody similar to that of the C40-8.
Conrail ordered 22 of the standard version.  After the Conrail split in 1999, 13 units of this order went to Norfolk Southern and the remaining 9 units went to CSX.
Power output: 3,900 hp (2,910 kW)
GE Dash 8 Series