PRR K4s

E76330

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

Observed surface forms (4)

Surface form Occurrences
PRR 1361 2
PRR 3750 2
PRR K2 1
PRR K3 1

Statements (49)

Predicate Object
instanceOf 4-6-2 Pacific-type locomotive
steam locomotive class
boilerPressure 205 psi
boilerType fire-tube boiler
brakeType air brakes
buildDateEnd 1928
buildDateStart 1914
configurationName Pacific
country United States of America
surface form: United States
cylinderConfiguration simple expansion
cylinderCount 2
designer Pennsylvania Railroad Altoona Works
surface form: Altoona Works mechanical engineering department

Pennsylvania Railroad Altoona Works
driverDiameter 80 in
era first half of the 20th century
frameType conventional bar frame
fuelType coal
gauge 4 ft 8 1⁄2 in standard gauge
heritage symbol of Pennsylvania Railroad passenger era
nickname Standard Passenger Pacific of the PRR
notableFor being the standard passenger locomotive of the Pennsylvania Railroad
iconic status in American steam locomotive history
operator Pennsylvania Railroad Company
surface form: Pennsylvania Railroad
powerType steam
precededByClass PRR K2
PRR K2
surface form: PRR K3
preservedAt Railroad Museum of Pennsylvania, Strasburg, Pennsylvania
Railroaders Memorial Museum, Altoona, Pennsylvania
preservedLocomotive PRR K4s self-linksurface differs
surface form: PRR 1361

PRR K4s self-linksurface differs
surface form: PRR 3750
primaryUse passenger service
railroadClass K4s Pacific
surface form: K4s
railway Pennsylvania Railroad Company
surface form: Pennsylvania Railroad
region Northeastern United States
retirementPeriod 1950s
serviceEntry 1914
succeededByClass PRR E8
PRR T1
survivingUnits 2
tenderType coal and water tender
totalProduced 425
tractiveEffort about 44,460 lbf
UICClassification 2′C1′ h
usedOnRoute New York–Philadelphia–Pittsburgh–Chicago
surface form: New York–Chicago

New York–St. Louis route
surface form: New York–St. Louis

New York City–Washington, D.C.
surface form: Washington, D.C.–New York
usedOnService Pennsylvania Railroad mainline passenger trains
valveGear Walschaerts
wheelArrangement 4-6-2

Referenced by (7)

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

K4s Pacific famousExample PRR K4s
this entity surface form: PRR 1361
K4s Pacific famousExample PRR K4s
this entity surface form: PRR 3750
K4s Pacific precededByClass PRR K4s
this entity surface form: PRR K2
K4s Pacific precededByClass PRR K4s
this entity surface form: PRR K3
PRR K4s preservedLocomotive PRR K4s self-linksurface differs
this entity surface form: PRR 1361
PRR K4s preservedLocomotive PRR K4s self-linksurface differs
this entity surface form: PRR 3750
K4s Pacific railroadClass PRR K4s