Brand-new General Electric AC4400CWs were the shot in the arm Southern Pacific needed to modernize its diesel fleet in the 1990s.
When They Were New: Southern Pacific AC4400CWs - Railfan
ScaleTrains Rivet Counter HO SXT38476 DCC Ready GE AC4400CW Southern Pacific 'Speed Lettering' SP #100
SP AC4400's – Action Road
When They Were New: Southern Pacific AC4400CWs - Railfan
SP AC4400's – Action Road
Rivet Counter HO Scale GE AC4400CW, CSX/YN3.com
Scale Trains Rivet Counter HO Scale Southern Pacific AC4400CW
The Last SP Power on a Soon Dormant Track
Southern Pacific Railroad GE AC4400CW in American Fork, Utah
ScaleTrains Plans to Release All-New GE AC4400CWs in HO, N scales
Southern Pacific Railroad, railroad
SP AC4400's – Action Road
Southern Pacific's Sprint to the Finish - Railfan & Railroad Magazine
Southern Pacific
Southern Pacific AC4400CW Info Page