GN BOXCAB (3 PHASE)

Specifications
Specifications
Configuration:;
• AAR	B-B
• UIC	Bo′Bo′
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Wheel diameter	60 in (1.5 m)
Length	44 ft 2 in (13.46 m)
Width	10 ft 0 in (3.05 m)
Loco weight	230,000 lb (100,000 kg; 100 t)
Electric system/s	6.6 kV, 25 Hz AC ( 3-Phase)
Current pickup(s)	Pantograph
Traction motors	4 × GE-1506
Gear ratio	19/81

Type and origin
Type and origin
Power type	Electric
Builder	GE and ALCO
Serial number	Alco: 45289, 45286–45288; GE: 2895, 2892–2894;
Build date	February–March 1909

Great Northern Boxcab (3-Phase)
Great Northern Boxcab (3-Phase)
	Three Great Northern boxcabs
Power type
Type and origin
Power type	Electric
Builder	GE and ALCO
Serial number	Alco: 45289, 45286–45288; GE: 2895, 2892–2894;
Build date	February–March 1909
Configuration:;
Specifications
Configuration:;
• AAR	B-B
• UIC	Bo′Bo′
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Wheel diameter	60 in (1.5 m)
Length	44 ft 2 in (13.46 m)
Width	10 ft 0 in (3.05 m)
Loco weight	230,000 lb (100,000 kg; 100 t)
Electric system/s	6.6 kV, 25 Hz AC ( 3-Phase)
Current pickup(s)	Pantograph
Traction motors	4 × GE-1506
Gear ratio	19/81
Maximum speed
Performance figures
Maximum speed	15 mph (24 km/h)
Power output	1,500 hp (1,100 kW)
Tractive effort:;
• Starting	57,500 lbf (256 kN) at 25% adhesion
• 1 hour	38,000 lbf (170 kN)
• Continuous	34,800 lbf (155 kN)
Factor of adh.	25%
Operators
Career
Operators	Great Northern Railway
Number in class	4
Numbers	5000–5003
Delivered	1909
Retired	May 1927
Disposition	All scrapped

The GN boxcab locomotives were the first electric locomotives purchased by the Great Northern Railway (GN) for use through the Cascade Tunnel. Four locomotives were supplied were built in February and March 1909 by the American Locomotive Company, and delivered in Pullman Green; they used electrical equipment from General Electric and weighed 115 short tons (104 t) each.^[2]^[3]

They were three-phase electric locomotives with specifications calling for 1,000 hp (750 kW), but the actual output was substantially greater at 1,500 hp (1,100 kW) each, as described by the consultant engineer Cary T. Hutchinson.^[4] They had a B-B wheel arrangement. The GN numbered them 5000–5003 and they were used until May 1927, after which all were scrapped.^[5]

Initially, three locomotives were coupled together and hauled trains at a constant speed of 15.7 mph (25.3 km/h),^[6] but when larger trains required four locomotives the motors were concatenated (cascade control), so that the speed was halved to 7.8 mph (12.6 km/h) to avoid overloading the power supply.^[4]

References

^ ^a ^b ^c ^d Manson, Arthur J. (1923). Railroad Electrification and the Electric Locomotive. New York, NY: Simmons-Boardman Publishing Corporation. ISBN 978-587167932-6. Refer to Table F, p.318-319, Line 8
^ "Electric Locomotives for the Great Northern". The Railroad Gazette. 46 (1): 120-122. 1909.
^ Haut, F.J.G. (1969). The History of the Electric Locomotive. London: George Allen and Unwin Ltd. ISBN 004-385042-1.
^ ^a ^b Hutchinson, Cary T. (1909). "The electric system of the Great Northern railway company at Cascade tunnel". Proceedings of the American Institute of Electrical Engineers. 28 (11): 1409–1447. doi: 10.1109/PAIEE.1909.6660192. S2CID 51673934.
^ "GN Alco-GE 3-phase 5000s". The Great Northern Empire. 2005. Retrieved January 18, 2015.
^ American Railway Association, (Division V - Mechanical) (1922). Wright, Roy V.; Winter, Charles (eds.). Locomotive Cyclopedia of American Practice (6th ed.). New York, NY: Simmons-Boardman Publishing. p. 901. OCLC 6201422.

Keyes, Norman C. Jr.; Middleton, Kenneth R. (Autumn 1980). "The Great Northern Railway Company: All-Time Locomotive Roster, 1861–1970". Railroad History. 143 (143). Boston, Mass.: Railway and Locomotive Historical Society: 117. ISSN 0090-7847. JSTOR 43523930.

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[Manson1923-1] Manson, Arthur J. (1923). Railroad Electrification and the Electric Locomotive. New York, NY: Simmons-Boardman Publishing Corporation. ISBN 978-587167932-6. Refer to Table F, p.318-319, Line 8

[2] "Electric Locomotives for the Great Northern". The Railroad Gazette. 46 (1): 120-122. 1909.

[3] Haut, F.J.G. (1969). The History of the Electric Locomotive. London: George Allen and Unwin Ltd. ISBN 004-385042-1.

[Hutchinson-4] Hutchinson, Cary T. (1909). "The electric system of the Great Northern railway company at Cascade tunnel". Proceedings of the American Institute of Electrical Engineers. 28 (11): 1409–1447. doi: 10.1109/PAIEE.1909.6660192. S2CID 51673934.

[5] "GN Alco-GE 3-phase 5000s". The Great Northern Empire. 2005. Retrieved January 18, 2015.

[6] American Railway Association, (Division V - Mechanical) (1922). Wright, Roy V.; Winter, Charles (eds.). Locomotive Cyclopedia of American Practice (6th ed.). New York, NY: Simmons-Boardman Publishing. p. 901. OCLC 6201422.

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v t e Great Northern Railway steam and electric locomotives
0-6-0	A-1 A-2 A-3 A-4 A-5 A-6 A-7 A-8 A-9 A-10 A-11
4-4-0	1 ( 1 William Crooks) B-1 B-2 B-3 B-4 B-5 B-6 B-7 B-8 B-9 B-10 B-11 B-12 B-13 B-14 B-15 B-16 B-17 B-18 B-19 B-20 B-21 B-22 B-23
0-8-0	C-1 C-2 C-3 C-4 C-5
2-6-0	D-1 D-2 D-3 D-4 D-5 D-6 D-7 D-8
4-6-0	E-1 E-2 E-3 E-4 E-5 E-6 E-7 E-8 E-9 E-10 E-11 E-12 E-13 E-14 E-15
2-8-0	F-1 F-2 F-3 F-4 F-5 F-6 F-7 F-8 ( 1147) ( 1246) F-9 F-10 F-11 F-12
4-8-0	G-1 G-2 G-3 G-4 G-5 G-6
4-6-2	H-1 H-2 H-3 H-4 H-5 ( 1355) H-6 H-7
2-6-2	J-1 J-2 J-3
4-4-2	K-1
2-6-6-2	L-1 L-2
2-6-8-0	M-1 M-2
2-8-8-0	N-1 N-2 N-3
2-8-2	O-1 ( 3059) O-2 O-3 O-4 O-5 O-6 O-7 O-8
4-8-2	P-1 P-2 ( 2507) ( 2523)
2-10-2	Q-1 Q-2
2-8-8-2	R-1 R-2
4-8-4	S-1 S-2 ( 2584)
4-6-6-4	Z-6
Electric	3-phase boxcab Z-1 Y-1 W-1
List of Great Northern Railway (U.S.) locomotives

v t e Electric locomotives built by GE
DC Electrics (Bipolar motors)	NYC S-Motor NYC T-Motor MILW EP-2 “Bi-polar”
DC Electrics	Canadian National Class Z-1-a JNR ED11 [ ja] JNR ED14 [ ja] MILW EF-1 / EP-1 MILW ES-1 MILW ES-2 GE 289A Boxcab Mexican Railway Boxcabs NYC P Motor NYC Q-Motor NYC R-Motor CUT P1-a Tri-power boxcab NYC R-2 Paulista Rwy. 2-C+C-2 “Little Joe” CN Centercab Electric NJ E-10
AC Electrics	New Haven EP3 PRR P5a PRR GG1 New Haven EP4 New Haven EF3a PRR E2b
AC Electrics (3 phase)	GN boxcab
AC Electrics (motor generator)	New Haven EF2 New Haven EY3 GN Y-1 / PRR FF2 GN W-1 VGN EL-2B
AC Electrics (Ignitron Rectifier)	New Haven EP-5 VGN EL-C / New Haven EF-4 / PC E33 PRR E44
AC Electrics (Silicon Rectifier)	E50C E60C E60CH / E60CP / E60MA E25B E60C-2
(see also: List of GE locomotives)

v t e Great Northern Railway steam and electric locomotives
0-6-0	A-1 A-2 A-3 A-4 A-5 A-6 A-7 A-8 A-9 A-10 A-11
4-4-0	1 ( 1 William Crooks) B-1 B-2 B-3 B-4 B-5 B-6 B-7 B-8 B-9 B-10 B-11 B-12 B-13 B-14 B-15 B-16 B-17 B-18 B-19 B-20 B-21 B-22 B-23
0-8-0	C-1 C-2 C-3 C-4 C-5
2-6-0	D-1 D-2 D-3 D-4 D-5 D-6 D-7 D-8
4-6-0	E-1 E-2 E-3 E-4 E-5 E-6 E-7 E-8 E-9 E-10 E-11 E-12 E-13 E-14 E-15
2-8-0	F-1 F-2 F-3 F-4 F-5 F-6 F-7 F-8 ( 1147) ( 1246) F-9 F-10 F-11 F-12
4-8-0	G-1 G-2 G-3 G-4 G-5 G-6
4-6-2	H-1 H-2 H-3 H-4 H-5 ( 1355) H-6 H-7
2-6-2	J-1 J-2 J-3
4-4-2	K-1
2-6-6-2	L-1 L-2
2-6-8-0	M-1 M-2
2-8-8-0	N-1 N-2 N-3
2-8-2	O-1 ( 3059) O-2 O-3 O-4 O-5 O-6 O-7 O-8
4-8-2	P-1 P-2 ( 2507) ( 2523)
2-10-2	Q-1 Q-2
2-8-8-2	R-1 R-2
4-8-4	S-1 S-2 ( 2584)
4-6-6-4	Z-6
Electric	3-phase boxcab Z-1 Y-1 W-1
List of Great Northern Railway (U.S.) locomotives

v t e Electric locomotives built by GE
DC Electrics (Bipolar motors)	NYC S-Motor NYC T-Motor MILW EP-2 “Bi-polar”
DC Electrics	Canadian National Class Z-1-a JNR ED11 [ ja] JNR ED14 [ ja] MILW EF-1 / EP-1 MILW ES-1 MILW ES-2 GE 289A Boxcab Mexican Railway Boxcabs NYC P Motor NYC Q-Motor NYC R-Motor CUT P1-a Tri-power boxcab NYC R-2 Paulista Rwy. 2-C+C-2 “Little Joe” CN Centercab Electric NJ E-10
AC Electrics	New Haven EP3 PRR P5a PRR GG1 New Haven EP4 New Haven EF3a PRR E2b
AC Electrics (3 phase)	GN boxcab
AC Electrics (motor generator)	New Haven EF2 New Haven EY3 GN Y-1 / PRR FF2 GN W-1 VGN EL-2B
AC Electrics (Ignitron Rectifier)	New Haven EP-5 VGN EL-C / New Haven EF-4 / PC E33 PRR E44
AC Electrics (Silicon Rectifier)	E50C E60C E60CH / E60CP / E60MA E25B E60C-2
(see also: List of GE locomotives)

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