What have been engine clas that have been built 1906-?
Class Firebox Cylinder size Valves Valve gear Number built Years built
PRR E2
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1-25695027-1
Engine #7002
E2 Radial-stay 20 ½” x 26” Slide Stephenson 88 1901-02
E2a Belpaire 20 ½” x 26” Slide Stephenson 93 1902-05
E2b Belpaire 20 ½” x 26” Piston Stephenson 70 1903-04
E2c Belpaire 20 ½” x 26” Slide Stephenson 22 1903
E2d Belpaire 20 ½” x 26” Piston Walschaerts 32 1906-08
E3 Radial-stay 22” x 26” Slide Stephenson 8 1901-02
E3a Belpaire 22” x 26” Slide Stephenson 114 1903-05
E3d Belpaire 22” x 26” Piston Walschaerts 56 1906-10
E7s Belpaire 22 ½” x 26” Piston Stephenson 90 conv. fr. E2a,b,c 1916-20
table_25695027_1
SELECT Class FROM table WHERE Years built = 1906-08
1906-08