Pennsylvania Railroad class E3b

Pennsylvania Railroad E3b class
Type and origin
Power type Electric
Builder Baldwin-Lima-Hamilton
Serial number 75482, 75483
Build date November 1951
Total produced 2
Specifications
Configuration:
 ​
 • AAR B-B-B
 • UIC Bo'Bo'Bo'
Gauge 4 ft 8 1⁄2 in (1,435 mm) standard gauge
Electric system/s 11 kV, 25 Hz AC
Current pickup(s) Pantograph (2 off)
Traction motors Westinghouse 370 (6 off)
Transmission AC fed via a transformer tap changer through 12 Ignitron (Mercury arc) rectifier to DC traction motors.
Performance figures
Power output 3,000 hp (2,200 kW)
Career
Operators Pennsylvania Railroad
Class E3b
Numbers 4995, 4996[1]
Scrapped 1964

Pennsylvania Railroad class E3b was an experimental electric locomotive supplied by Westinghouse Electric & Manufacturing Co.[1] The locomotive was of the two unit design, with each unit having a B-B-B (AAR) or Bo-Bo-Bo (UIC) wheel arrangement.[1] The bodywork and running gear was produced by Baldwin-Lima-Hamilton while the electrical equipment was provided by Westinghouse, who also acted as the main contractor.

In 1952 and 1953 the Pennsylvania Railroad took delivery of ten experimental locomotives, six from General Electric and four from Westinghouse. While GE's were all of the same class (E2b), the Westinghouse locomotives were split into two classes. Two locomotives had two three-axle trucks (E3c), while the other two had three two-axle trucks (E3b).[2]

The locomotives were scrapped in 1964.

Footnotes

  1. 1 2 3 Middleton (2002), p. 108.
  2. ↑ Staufer, p. 300

References

  • Middleton, William D. (2002). The Pennsylvania Railroad - Under Wire (1st ed.). Milwaukee, WI: Kalmbach Publishing. ISBN 978-0-89024-617-7. OCLC 51208625.
  • Staufer, Alvin F.; Pennypacker, Bert (1962). Pennsy Power: Steam and Electric Locomotives of the Pennsylvania Railroad, 1900-1957. Research by Martin Flattley. Carollton, OH: Alvin F. Staufer. pp. 300–301. ISBN 978-0-9445-1304-0. LCCN 62020878. OCLC 602543182.
  • Volkmer, William D. (1991). Pennsy Electric Years. Edison, NJ: Morning Sun Books, Inc. pp. 31, 126. ISBN 1-878887-01-7. LCCN 90063156.
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