P E N N S Y L V A N I A   R A I L R O A D   S Y S T E M  11
Cylinders  13" x 18" 
Drivers, diam.  46"
Weight, total engine 34,675 lb.

     Equipped with Baldwin flexible beam truck.
     Originally built for the Harrisburg & Lancaster R.R. and transferred to the Pennsylvania in October, 1849. Subsequently partially rebuilt, and finally retired in 1858.
Six Coupled Locomotive Washington
Six-coupled Locomotive "Washington," built by The Baldwin Locomotive Works, 1847 
 
   Among the most notable builders whose locomotives were among those first used on the Pennsylvania, the names of M. W. Baldwin and of Norris Bros., of Philadelphia; Ross Winans, of Baltimore, and Smith & Perkins, of Alexandria, Virginia, stand out conspicuously. In addition to the locomotives ordered by and especially built for the Pennsylvania Railroad Company, a number  to 133 by the close of 1856. In view of the variety of types and designs represented by these early locomotives, it is possible to refer rather briefly to only the most notable engines then in service. 
     Records show that the first Baldwin locomotives completed for the Pennsylvania were the "Dauphin" and "Perry," which were finished by the builders in November, 
 
Eight Coupled Freight Locomotive - 1848
Eight-coupled Freight Locomotive with Flexible Beam Truck and Half-stroke Cut-off, built by The Baldwin Locomotive Works, 1848
Cylinders  17" x 22"
Drivers, diam. 43"
Weight, total engine  50,975lb.

     This and a similar locomotive, the "Dauphin," were the first Baldwin engines completed for the Pennsylvania. The "Dauphin" was placed in service 1849 and the "Perry" in 1850. Both were shortly after sold to the Philadelphia & Reading Ry. 
 
were transferred from the Harrisburg and Lancaster Railroad, the operation of which was taken over by the Pennsylvania at the time of opening the First Division of the latter road in 1849. Frequent additions were made to the equipment as the line was extended and business increased, so that at the close of 1853, there were 79 locomotives in service, and this number had been increased  1848, previous to the opening of the road. They bore the Baldwin construction numbers 333 and 334, and were finally placed in service on the new line in November, 1849, and January, 1850, respectively. They were of the 0-8-0 type with Baldwin flexible beam trucks, and had hook motion valve gear for the main valves, and also independent valves which, when in operation, cut off the steam 
 
Cylinders 14" x 20"
Drivers, diam. 72"
Weight on drivers 18,000-24,000 lb.
Weight, total engine 47,000 lb. 

     Weight could be transferred from intermediate to driving wheels by means of a lever.
     There were three locomotives of this class.
Single-drive fast passenger loco - 1849
Single-driver Fast Passenger Locomotive, built by The Baldwin Locomotive Works, 1849


 
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