PRR 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
AAR wheel arr.	B-B-B
UIC class	Bo'Bo'Bo'
Gauge	4 ft 8 ¹⁄₂ in (1,435 mm) standard gauge
Electric system(s)	11 kV, 25 Hz AC
Current collection	Pantograph (2 off)
Traction motors	Westinghouse 370 (6 off)
Transmission	AC current 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 (E2c), while the other two had three two-axle trucks (E3b).

The locomotives were scrapped in 1964.

Footnotes

1 2 3 Middleton (2002), p. 108.

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 978-0944513040. 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.

Electric locomotives built by the Westinghouse Electric Company

DC Electrics	PRR AA1 MILW EP-3

AC Electrics	NH EP-1 CN Z-2 NH EY2 NH EF1 NH EP2 PRR P5a PRR R1 NH EF3b

AC Electrics (side rod)	N&W LC-1 N&W LC-2 VGN EL-3a

AC Electrics (motor generator)	GN Z-1

AC Electrics (Ignitron rectifier)	PRR E3b PRR E2c

(see also: List of Westinghouse locomotives)

Pennsylvania Railroad locomotives

A (0-4-0):	A1 A2 A3 A4 A5s

B (0-6-0):	B1 (s) B2 B3 B4 B5 B6 B7 B8 B1 (e)

C (0-8-0):	C1 C29 C30 C31

D (4-4-0):	D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 D16 D21 D22 D23 D24 D25 D26 D30 D31 D32 D33 D34 D35 D36 D37 D38 D39 D61 "Odd D" #10003

E (4-4-2):	E1 E2 E3 E4 E5 E6 E7 E21 E22 E23 E28 de Glehn

F (2-6-0):	F1 F2 F3 F21 F22 F23 F24 F25 F26 F27 F30 F31 F61

G (4-6-0):	G1 G2 G3 G4 G5 G53

H (2-8-0):	H1 H2 H3 H4 H5 H6 H8 H9 H10

I (2-10-0):	I1s

J (2-6-2 and 2-10-4):	J1 J28

K (4-6-2):	K1 K2 K3s K4s K5

L (2-8-2):	L1s L2s L5 L6

M (4-8-2):	M1

N (2-10-2):	N1s N2s

O (4-4-4):	O1

P (4-6-4):	P5

Q (4-6-4-4 and 4-4-6-4):	Q1 Q2

R (4-8-4):	R1

S (6-4-4-6 and 6-8-6):	S1 S2

T (4-4-4-4):	T1

Articulated steam locomotives:	CC1s CC2s HC1s HH1s HH2s

Articulated electric locomotives:	AA1 BB1 BB2 BB3 DD1 DD2 FF1 FF2 GG1

Non-standard:	E2b E2c E3b E44

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