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 UP 9214, a Dash 8-40C, leads an eastbound train up California's Cajon Pass on May 10, 1991. |
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| Power type | Diesel-electric |
|---|---|
| Builder | GE Transportation Systems |
| Model | Dash 8-40C |
| AAR wheel arr. | C-C |
| Gauge | 4 ft 8½ in (1,435 mm) |
A GE Dash 8-40C is a 6-axle diesel locomotive built by GE Transportation Systems in the late 1980s, wheel arrangement is of a C-C type. This locomotive model is sometimes referred to as a C40-8. or simply "Dash 8". "Dash 8" in general refers to the electrical control series, "Dash" being a carryover from the older syntax of C40-8. The "40" refers to the baseline rated horsepower (4000) of the unit, altho some units may be re-rated to 4100hp (see below).
Later units were supplied with a wide cab and are designated Dash 8-40CW, the "W" indicating a wide cab.
C41-8
C&NW in particular upgraded their units to ~4100hp and designated them as C41-8. This designation was continued by Union Pacific after the takeover of C&NW in 1995. Former C&NW units are usually identified by a grab-iron on the front nose just above the Union Pacific shield logo, and/or the "C41-8" designation on the cab side. These units have the standard (or narrow) cab as compared to the wide cab Dash 8-41CW.
Owners
The companies that own C40-8 locomotives as of 2006 include: CSX Transportation with 146, Norfolk Southern Railway with 88 and Union Pacific Railroad with 298 (includes former C&NW C41-8 units).
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