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.

AI illustration

How this image was made

AI-generated illustration of PRR T1

This AI-generated illustration was produced by black-forest-labs/FLUX.2-dev (1024x1024) from a prompt written by openai/gpt-oss-120b from the entity's label + description.

Prompt

Generate an image of the PRR T1 (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.)

All labels observed (2)

Label Occurrences
PRR T1 canonical 2
Pennsylvania Railroad T1 locomotive styling 1

How this entity was disambiguated

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 ⓘ
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 ⓘ
powerType steam ⓘ
primaryUse high-speed passenger service ⓘ
productionUnits 50 ⓘ
prototypeCount 2 ⓘ
prototypeRoadNumbers 6110 ⓘ
6111 ⓘ
railwayCompany Pennsylvania Railroad ⓘ
roadNumberRange 5500–5549 ⓘ
5510–5549 ⓘ
serviceRegion Eastern United States ⓘ
Pennsylvania Railroad main line ⓘ
styling Art Deco ⓘ
streamlined ⓘ
successor 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 ⓘ

How these facts were elicited

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Raymond Loewy → designed → Pennsylvania Railroad T1 locomotive styling ⓘ
linked to: PRR T1
PRR K4s → succeededByClass → PRR T1 ⓘ