All F3's were delivered in Black Widow paint, those surviving after 1958 'may' have been painted in 'Blood Nose' paint. Prior to the introduction of 'Blood Nose' paint, there was experimentation …

Southern Pacific Photographic Roster, Locomotive Model: F7A. 3/13/2025 View Photos ·Home

SP 6378 (F7A) Serial Number: 16559: Order No: 3107: Frame Number: 3107-A1: Built: 7/1952: Notes: L&NW #46: Other locos with this serial: LNW 46(F7A) SP 6378(F7A) GGMX 6378(F7A) …

Scanned with an Epson V550 from an original Kodachrome 35mm slide. Date is approximate.

GGMX 6378 is an ex-SP EMD F7A. Reportedly: (According to good sources, including Strapac's fantastic SP Compendium book series), GGMX 6378 was built as SP 6378, SP Class DF-8, an …

1972 SP Motive Power Annual by Joe Strapac, pages 1-21 - F unit history and photo's data etc.

SP 6143A-6169D. The twenty-seven four-unit ABBA sets of these units were originally delivered as class DEF-4, the middle "E" was dropped within a few years and became DF-4. The DEF …

By the late 1960's, SP's freight F7's each seemed to take-on a personality of their own, and the '36 was no exception, with the white "SP" painted over its orange nose stripes. The first four …

Cotton Belt F7A's did not have nose lifting lugs or pilot plows. Originally delivered with 71 mph maximum, 61:16 gear ratio trucks - some evidently received 62:15 trucks to better MU with SP …

SP 6378-6405. These F7A units were delivered in July and August of 1952. SP F7A's - class DF8 - EMD const. numbers 16559-16586: