A scarce photograph of the lone PRR Class CC1s 0-8-8-0 experimental Steam Locomotive.

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A scarce photograph of the lone PRR Class CC1s 0-8-8-0 experimental Steam Locomotive.
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Pennsylvania Railroad CC1s Class 0-8-8-0 Articulated Steam Locomotive
The Pennsylvania Railroad (PRR) class CC1s consisted of a single experimental 0-8-8-0 steam locomotive built by Baldwin Locomotive Works in 1912. It was assigned road number No. 3397 and placed in service at the PRR Pitcairn yard in Pitcairn, Pennsylvania, near Pittsburgh. A subsequent class, the CC2s, was constructed after the tests conducted with this locomotive. Finding little advantage to articulated steam locomotives, the PRR scrapped 3397 in 1932.

Pennsylvania Railroad CC1s Overview
Type and origin
Power type: Steam
Builder: Baldwin Locomotive Works
Model: Baldwin 16-44/72 EE
Build date: 1912
Total produced: 1
Specifications
Configuration: 0-8-8-0 (Mallet)
Gauge: 4 ft 8 1⁄2 in (1,435 mm)
Driver diameter: 56 in (1,400 mm)
Adhesive weight: 370,000 lb (167,800 kg)
Fuel type: Coal
Firebox:
 • Firegrate area: 78 sq ft (7.2 m2)
Boiler pressure: 205 psi (1.41 MPa)
Heating surface: 4,953 sq ft (460.1 m2)
Superheater:
​ • Heating are:a 988 sq ft (91.8 m2)
Cylinders: Four - Mallet compound
High-pressure cylinder: 25 in × 30 in (635 mm × 762 mm)
Low-pressure cylinder: 39 in × 30 in (991 mm × 762 mm)
Career
Operator: Pennsylvania Railroad
Number: 3397
Disposition: Scrapped in 1932

See also:

Erie L-1

Pennsylvania Railroad

Steam Locomotives