SP FEATURES Lit number boards effect in DCC 3600 gallon fuel tank Large front plow Roof-mounted A/C and bell Modified front L window P3 horn Late body with removed class lights and steam generator equipment By the mid-1980’s SP had discontinued their commute service in the Bay ...SP FEATURES Lit number boards effect in DCC 3600 gallon fuel tank Large front plow Roof-mounted A/C and bell Modified front L window P3 horn Late body with removed class lights and steam generator equipment By the mid-1980’s SP had discontinued their commute service in the Bay Area between San Jose and San Francisco CA in favor of the newly organized CalTrain. Since new CalTrain power was purchased SP in turn converted some of the older commute motive power to freight service. All three GP40P-2’s was renumbered into 7600-7602 received larger fuel tanks and had their steam generators removed.
Still retaining their full front SP light package these units received rebuilt front cab windows which became common practice during this time