1915 Reading Company
NO. 110 4-4-4
FOUR ENGINES of this type, the only ones of their kind on the Reading, were built at the company's shops. They had front and rear trucks very much alike, but being unstable were rebuilt in 1916 into Atlantics. They were renumbered 350 to 353 and reclassified as P7sa. These were particularly powerful engines for their type and were assigned to fast passenger service.

Builder-Reading Company
CylinderS-23½" X 26"
Weight, engine-230,800 lb.
Steam Pressure-240 lb.
Dia. Drivers-80"
Tractive Effort-36,604 lb.
R.R. Class (orig.)-C1a

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