AC-9 articulated steam locomotives
E905528
The AC-9 articulated steam locomotives were a small class of powerful, coal-burning 2-8-8-4 cab-forward-style engines built in the late 1930s for heavy freight service on the Southern Pacific Railroad, notable for being among the last and most distinctive articulated steam locomotives the railroad operated.
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Southern Pacific Railroad locomotive class
ⓘ
articulated locomotive class ⓘ steam locomotive class ⓘ |
| articulationType | Mallet-type articulated NERFINISHED ⓘ |
| assignedService |
El Paso–Carrizozo line
NERFINISHED
ⓘ
El Paso–Tucumcari line NERFINISHED ⓘ |
| brakeType | air brakes ⓘ |
| buildDate | 1939 ⓘ |
| builder | Lima Locomotive Works NERFINISHED ⓘ |
| cabLocation | rear ⓘ |
| configuration | 2-8-8-4 ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| cylinderArrangement | compound articulated ⓘ |
| cylinderCount | 4 ⓘ |
| designedFor | long-distance freight over relatively flat territory ⓘ |
| designFeature |
cab-forward-style appearance
ⓘ
conventional boiler orientation (not true cab-forward) ⓘ |
| distinctFrom | Southern Pacific true cab-forward oil-burning classes NERFINISHED ⓘ |
| era | late steam era ⓘ |
| fleetNumbers | 3800–3809 ⓘ |
| followedByClass | Southern Pacific AC-10 NERFINISHED ⓘ |
| fuelType | coal ⓘ |
| gauge | standard gauge ⓘ |
| notableFor |
distinctive skyline casing
ⓘ
large 2-8-8-4 articulated design for freight ⓘ one of the few coal-burning articulated locomotives on Southern Pacific ⓘ |
| numberBuilt | 10 ⓘ |
| operator |
Southern Pacific Railroad
NERFINISHED
ⓘ
Texas and New Orleans Railroad NERFINISHED ⓘ |
| powerType | steam ⓘ |
| precededByClass | Southern Pacific AC-8 NERFINISHED ⓘ |
| preservedUnits | 0 ⓘ |
| primaryUse | heavy freight service ⓘ |
| railroad | Southern Pacific Railroad NERFINISHED ⓘ |
| railroadClass | AC-9 NERFINISHED ⓘ |
| railwayCompany | Southern Pacific Transportation Company NERFINISHED ⓘ |
| regionOfOperation |
American Southwest
NERFINISHED
ⓘ
New Mexico NERFINISHED ⓘ Texas NERFINISHED ⓘ |
| retirement | 1950s ⓘ |
| serviceEntry | late 1930s ⓘ |
| smokeboxLocation | front ⓘ |
| status | all units scrapped ⓘ |
| trackGauge | 4 ft 8 1⁄2 in ⓘ |
| UICClassification | (1′D)D2′ h4 ⓘ |
| usedFor | heavy coal and freight trains ⓘ |
| wheelArrangement | 2-8-8-4 ⓘ |
| whyNotable | among the last articulated steam locomotives operated by Southern Pacific Railroad ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Southern Pacific Railroad