PRR T1
E77221
The PRR T1 was a class of streamlined 4-4-4-4 duplex steam locomotives built for the Pennsylvania Railroad in the 1940s, known for their high-speed passenger service and distinctive Art Deco styling.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Pennsylvania Railroad T1 locomotive styling | 1 |
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
duplex locomotive
ⓘ
express passenger locomotive ⓘ steam locomotive class ⓘ |
| allUnitsScrapped | true ⓘ |
| boilerPressure | 300 psi ⓘ |
| brakeType | air brakes ⓘ |
| buildDate |
1942
ⓘ
1945 ⓘ |
| builder |
Baldwin Locomotive Works
ⓘ
Pennsylvania Railroad Altoona Works ⓘ |
| configurationType | duplex drive ⓘ |
| countryOfOperation |
United States of America
ⓘ
surface form:
United States
|
| cylinderArrangement |
two inside high-pressure cylinders
ⓘ
two outside high-pressure cylinders ⓘ |
| cylinderCount | 4 ⓘ |
| designer |
Pennsylvania Railroad Altoona Works
ⓘ
Raymond Loewy ⓘ |
| driverDiameter | 80 in ⓘ |
| enteredService |
1942
ⓘ
1945 ⓘ |
| fuelType | coal ⓘ |
| gauge |
4 ft 8 1⁄2 in
ⓘ
standard gauge ⓘ |
| heritage | inspired T1 Trust new-build project PRR 5550 ⓘ |
| knownFor |
high-speed performance
ⓘ
wheel slip issues on starting ⓘ |
| notableFeature |
duplex drive to reduce driving rod mass
ⓘ
poppet valve gear ⓘ shrouded streamlined casing ⓘ |
| operator |
Pennsylvania Railroad Company
ⓘ
surface form:
Pennsylvania Railroad
|
| powerType | steam ⓘ |
| primaryUse | high-speed passenger service ⓘ |
| productionUnits | 50 ⓘ |
| prototypeCount | 2 ⓘ |
| prototypeRoadNumbers |
6110
ⓘ
6111 ⓘ |
| railwayCompany |
Pennsylvania Railroad Company
ⓘ
surface form:
Pennsylvania Railroad
|
| roadNumberRange |
5500–5549
ⓘ
5510–5549 ⓘ |
| serviceRegion |
Eastern United States
ⓘ
Main Line (Philadelphia to Pittsburgh) ⓘ
surface form:
Pennsylvania Railroad main line
|
| styling |
Art Deco
ⓘ
streamlined ⓘ |
| successor |
GG1 electric locomotive
ⓘ
surface form:
PRR GG1
diesel-electric passenger locomotives ⓘ |
| topSpeed | over 100 mph ⓘ |
| totalProduced | 52 ⓘ |
| tractiveEffort | approximately 64,650 lbf ⓘ |
| UICClassification | 2BB2 ⓘ |
| valveGear | Franklin oscillating-cam poppet valve gear ⓘ |
| wheelArrangement | 4-4-4-4 ⓘ |
| withdrawnFromService | late 1950s ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Pennsylvania Railroad T1 locomotive styling