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- PRR_E2 length "20726.4".
- PRR_E2 abstract "The Pennsylvania Railroad's class E2, E3, E7 steam locomotives were of the 4-4-2 "Atlantic" passenger type, frequently called “light Atlantics” after the introduction of the heavier, more powerful E6 Atlantics. All locomotives were similar in terms of wheel configuration and size, boiler capacity but differed in firebox type, valves and valve gear, and cylinder diameter. Classes E2 and E3 were built simultaneously rather than consecutively. Starting in 1916 a rebuilding program converted ninety class E2a,b,c to class E7s by replacing slide valves with piston valves and increasing cylinder diameter from 20.5 to 22.5 inches (520 to 570 mm). Fourteen class E2 were similarly converted to class E7sa. Ninety class E2a,d, E3a,d were converted to class E3sd. These improvements allowed many of the engines to remain in active service into the 1930s.The sub-classes differed as follows:In the first decade of the twentieth century, classes E2 and E3 handled all of the fast passenger trains of the Pennsylvania Railroad. As train weights increased due to the switch to steel passenger cars and more cars per train, the “light” Atlantics were usually double-headed. Eventually, as Pacific class K2 and K3 became available, they were relegated to secondary service".
- PRR_E2 activeYearsEndYear "1916".
- PRR_E2 activeYearsStartYear "1916".
- PRR_E2 builder Altoona_Works.
- PRR_E2 builder American_Locomotive_Company.
- PRR_E2 cylinderCount "2".
- PRR_E2 length "20.7264".
- PRR_E2 numberBuilt "90".
- PRR_E2 thumbnail RRMOP_7002_b.JPG?width=300.
- PRR_E2 wikiPageID "25695027".
- PRR_E2 wikiPageRevisionID "562845419".
- PRR_E2 builddate "1916".
- PRR_E2 builder Altoona_Works.
- PRR_E2 builder American_Locomotive_Company.
- PRR_E2 caption "PRR 7002 at the Railroad Museum of Pennsylvania".
- PRR_E2 cylindercount "2".
- PRR_E2 fueltype "Coal".
- PRR_E2 hasPhotoCollection PRR_E2.
- PRR_E2 imagesize "280".
- PRR_E2 name "7.0".
- PRR_E2 powertype "Steam".
- PRR_E2 preservedunits PRR_7002.
- PRR_E2 totalproduction "90".
- PRR_E2 whytetype "4".
- PRR_E2 subject Category:4-4-2_locomotives.
- PRR_E2 subject Category:ALCO_locomotives.
- PRR_E2 subject Category:Baldwin_locomotives.
- PRR_E2 subject Category:Lima_locomotives.
- PRR_E2 subject Category:Pennsylvania_Railroad_locomotives.
- PRR_E2 subject Category:Railway_locomotives_introduced_in_1916.
- PRR_E2 subject Category:Steam_locomotives_of_the_United_States.
- PRR_E2 type Locomotive.
- PRR_E2 type MeanOfTransportation.
- PRR_E2 type Product.
- PRR_E2 type Place.
- PRR_E2 type DesignedArtifact.
- PRR_E2 comment "The Pennsylvania Railroad's class E2, E3, E7 steam locomotives were of the 4-4-2 "Atlantic" passenger type, frequently called “light Atlantics” after the introduction of the heavier, more powerful E6 Atlantics. All locomotives were similar in terms of wheel configuration and size, boiler capacity but differed in firebox type, valves and valve gear, and cylinder diameter. Classes E2 and E3 were built simultaneously rather than consecutively.".
- PRR_E2 label "PRR E2".
- PRR_E2 sameAs m.09v7219.
- PRR_E2 sameAs Q7120479.
- PRR_E2 sameAs Q7120479.
- PRR_E2 wasDerivedFrom PRR_E2?oldid=562845419.
- PRR_E2 depiction RRMOP_7002_b.JPG.
- PRR_E2 isPrimaryTopicOf PRR_E2.
- PRR_E2 name "Pennsylvania Railroad E7s".