K4s Pacific

E12064

The K4s Pacific was a renowned class of 4-6-2 steam locomotives that served as the primary passenger power for the Pennsylvania Railroad in the first half of the 20th century.

Aliases (1)


Statements (47)

Predicate Object
instanceOf 4-6-2 Pacific-type locomotive
steam locomotive class
boilerPressure 205 psi
buildDateEnd 1928
buildDateStart 1914
configuration leading truck with two axles
one trailing axle under firebox
three coupled driving axles
country United States of America
surface form: "United States"
cylinderArrangement outside cylinders
cylinderCount 2
designer Pennsylvania Railroad Altoona Works
Pennsylvania Railroad Company
surface form: "Pennsylvania Railroad mechanical department"
driverDiameter 80 in
famousExample PRR K4s
surface form: "PRR 1361"

PRR K4s
surface form: "PRR 3750"
fuelType coal
gauge 4 ft 8 1⁄2 in standard gauge
introduced 1914
mainServicePeriod first half of the 20th century
notableFor being the standard passenger locomotive of the Pennsylvania Railroad
large production run for a single US passenger locomotive class
notableRoute Main Line (Philadelphia to Pittsburgh)
surface form: "Pennsylvania Railroad main line between New York and Chicago"

New York–St. Louis route
surface form: "Pennsylvania Railroad main line between New York and St. Louis"
operator Pennsylvania Railroad Company
surface form: "Pennsylvania Railroad"

Pennsylvania Railroad Lines East
Pennsylvania Railroad Lines East
surface form: "Pennsylvania Railroad Lines West"
powerType steam
precededByClass PRR K4s
surface form: "PRR K2"

PRR K4s
surface form: "PRR K3"
preservedAt Railroad Museum of Pennsylvania, Strasburg, Pennsylvania
Railroaders Memorial Museum, Altoona, Pennsylvania
preservedUnits 2
primaryUse passenger service
railGauge 1,435 mm
railroadClass PRR K4s
railway Pennsylvania Railroad Company
surface form: "Pennsylvania Railroad"
railwayRegion Northeastern United States
replacedBy diesel-electric locomotives
retirementPeriod 1950s
succeededByClass PRR T1
totalProduced 425
tractiveEffort about 44,460 lbf
UICClassification 2′C1′ h
usedFor commuter passenger trains
express passenger trains
wheelArrangement 4-6-2

Referenced by (2)

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

PRR K4s railroadClass K4s Pacific
this entity surface form: "K4s"