Reading Company C1a Class
| P&RR C1a class |
| Type and origin |
| Power type |
Steam |
| Builder |
Reading Company |
| Build date |
1915 |
| Total produced |
4 |
|
| Specifications |
Configuration:
|
|
| • Whyte
|
4-4-4 |
| Gauge |
4 ft 8 1⁄2 in (1,435 mm) |
|
Driver dia. |
6 ft 8 in (2.032 m) |
| Loco weight |
230,800 lb (104,700 kg) |
| Fuel type |
Coal |
| Boiler pressure |
240 psi (1.65 MPa) |
| Cylinders |
Two, outside |
| Cylinder size |
23.5 in × 26 in (597 mm × 660 mm) |
|
|
|
|
|
| Type and origin |
| Power type |
Steam |
| Builder |
Reading Company |
| Build date |
1915 |
| Total produced |
4 |
| Specifications |
Configuration:
|
|
| • Whyte
|
4-4-4 |
| Gauge |
4 ft 8 1⁄2 in (1,435 mm) |
|
Driver dia. |
6 ft 8 in (2.032 m) |
| Loco weight |
230,800 lb (104,700 kg) |
| Fuel type |
Coal |
| Boiler pressure |
240 psi (1.65 MPa) |
| Cylinders |
Two, outside |
| Cylinder size |
23.5 in × 26 in (597 mm × 660 mm) |
The C1a Class were a type of 4-4-4 steam locomotive built for the Philadelphia and Reading Railway in 1915. Four locomotives were built, road numbers #110-113. They used front and rear trucks that were effectively identical. During a year of operation, they proved to be quite unstable; after that year, they were rebuilt to 4-4-2 "Atlantic" locomotives, reclassified as P7sa, and renumbered #350-353.
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