Pennsylvania Railroad class GG1

Specifications
Specifications
Configuration:;
• Whyte	4-6-0+0-6-4OE
• AAR	2-C+C-2
• UIC	(2′Co)(Co2′)
Gauge	4 ft 8+1⁄2 in (1,435 mm)
Leading dia.	36 in (914 mm)
Driver dia.	57 in (1,448 mm)
Wheelbase	Rigid: 13 ft 8 in (4.17 m); Overall: 69 ft 0 in (21.03 m)
Length	79 ft 6 in (24.23 m) over coupler pulling faces
Width	10 ft 4 in (3.15 m)
Height	15 ft 0 in (4.57 m) over locked-down pantographs
Adhesive weight	303,000 lb (137,000 kilograms)
Loco weight	475,000 lb (215,000 kilograms)
Fuel capacity	3,000 lb (1,360 kg) or 424 US gal (1,610 L; 353 imp gal) oil, for train heating
Water cap.	23,000 lb (10,400 kg) or 2,760 US gal (10,450 L; 2,300 imp gal) for train heating
Electric system/s	11-13.5 kV 25 Hz AC from overhead catenary
Current pickup(s)	Dual pantographs
Traction motors	12 × GEA-627-A1 385 hp (287 kW)
Transmission	Alternating current fed via a 22 position transformer tap changer to paired traction motors geared to a Quill drive
Train heating	One oil-fired 4,500 lb/hr steam generator

Type and origin
Type and origin
Power type	Electric
Designer	General Electric, Donald Dohner & Raymond Loewy
Builder	General Electric (15); Altoona Works (124)
Build date	1934 – 1943
Total produced	139

PRR Class GG1
PRR Class GG1
	4868 hauling The Congressional
Power type
Type and origin
Power type	Electric
Designer	General Electric, Donald Dohner & Raymond Loewy
Builder	General Electric (15); Altoona Works (124)
Build date	1934 – 1943
Total produced	139
Configuration:;
Specifications
Configuration:;
• Whyte	4-6-0+0-6-4OE
• AAR	2-C+C-2
• UIC	(2′Co)(Co2′)
Gauge	4 ft 8+1⁄2 in (1,435 mm)
Leading dia.	36 in (914 mm)
Driver dia.	57 in (1,448 mm)
Wheelbase	Rigid: 13 ft 8 in (4.17 m); Overall: 69 ft 0 in (21.03 m)
Length	79 ft 6 in (24.23 m) over coupler pulling faces
Width	10 ft 4 in (3.15 m)
Height	15 ft 0 in (4.57 m) over locked-down pantographs
Adhesive weight	303,000 lb (137,000 kilograms)
Loco weight	475,000 lb (215,000 kilograms)
Fuel capacity	3,000 lb (1,360 kg) or 424 US gal (1,610 L; 353 imp gal) oil, for train heating
Water cap.	23,000 lb (10,400 kg) or 2,760 US gal (10,450 L; 2,300 imp gal) for train heating
Electric system/s	11-13.5 kV 25 Hz AC from overhead catenary
Current pickup(s)	Dual pantographs
Traction motors	12 × GEA-627-A1 385 hp (287 kW)
Transmission	Alternating current fed via a 22 position transformer tap changer to paired traction motors geared to a Quill drive
Train heating	One oil-fired 4,500 lb/hr steam generator
Maximum speed
Performance figures
Maximum speed	Passenger: 100 mph (160 km/h); Freight: 90 mph (145 km/h)
Power output	Continuous: 4,620 hp (3,450 kW); Short duration: 8,500 hp (6,300 kW) @ 65 mph (105 km/h)
Tractive effort	65,500 lbf (291 kN)
Operators
Career
Operators	Pennsylvania Railroad; Penn Central; Conrail; Amtrak; New Jersey Transit
Locale	Northeast Corridor
First run	January 28, 1935
Last run	October 29, 1983
Disposition	Sixteen preserved, remainder scrapped

The Pennsylvania Railroad GG1 is a class of streamlined electric locomotives built for the Pennsylvania Railroad (PRR), in the northeastern United States. The class was known for its striking art deco shell, its ability to pull trains at up to 100 mph, and its long operating career of almost 50 years.

Between 1934 and 1943, General Electric and the PRR's Altoona Works built 139 GG1s. The GG1 entered service with the PRR in 1935 and later ran on successor railroads Penn Central, Conrail, and Amtrak. The last GG1 was retired by New Jersey Transit in 1983.

Most have been scrapped, but sixteen are in museums.

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