GE Genesis

General Electric Genesis (officially trademarked GENESIS) is a series of passenger diesel locomotives produced by GE Transportation, then a subsidiary of General Electric. Between 1992 and 2001, a total of 321 units were built for Amtrak, Metro-North, and Via Rail.

GE Genesis
GE P42DC #174 on the Winter Park Express in 2024
Type and origin
Power typeDiesel–electric or dual-mode
BuilderGE Transportation Systems
ModelP40DC, P32AC-DM, P42DC
Build date1992–2001
Total produced321
Number rebuilt19
Specifications
Configuration:
  AARB-B
  UICBo′Bo′
Gauge4 ft 8+12 in (1,435 mm) standard gauge
TrucksKrupp-MaK high-speed bolsterless
Wheel diameter40 in (1,016 mm)
Minimum curve251 ft (77 m) radius/ 22.85° (single unit)
318 ft (97 m) radius/ 18.2° (coupled)
Wheelbase43 ft 2+12 in (13.17 m) (between truck centers)
Length69 ft 0 in (21.03 m)
Width10 ft 0 in (3.05 m)
Height14 ft 4 in (4.37 m)
Axle load72,000 lb (32,659 kg) Max
Adhesive weight100%
Loco weightP40DC, P42DC: 268,240 lb (121,672 kg)
P32AC-DM: 274,400 lb (124,466 kg)
Fuel typeDiesel
Fuel capacity2,200 US gal (8,300 L) (DC)
1,800 US gal (6,800 L) (AC)
Lubricant cap.410 US gal (1,600 L) (DC)
365 US gal (1,380 L) (AC)
Coolant cap.380 US gal (1,400 L) (DC)
210 US gal (790 L) (AC)
Sandbox cap.26 cu ft (740 L) (DC)
8.5 cu ft (240 L) (AC)
Prime moverGE 7FDL16 (P40DC, P42DC), GE 7FDL12 (P32AC-DM)
RPM range200–1050 (600–900 while supplying HEP)
Engine type45° V16, four stroke cycle (P40DC, P42DC), 45° V12, four stroke cycle (P32AC-DM)
AspirationTurbocharged
Displacement175.2 L (10,690 cu in) (7FDL16)
131.4 L (8,020 cu in) (7FDL12)
AlternatorGMG 195 (P40DC, P42DC)
GMG 195A1 (P32AC-DM)
Traction motorsGE 752AH (DC), GE GEB15 (AC)
Cylinders16 (P40DC, P42DC)
12 (P32AC-DM)
Cylinder size10.95 L (668 cu in)
TransmissionAC-DC
MU workingYes
Train heatingLocomotive-supplied head-end power
Loco brakeDynamic / Regenerative / Electropneumatic
Train brakesElectropneumatic
Performance figures
Maximum speed103 mph (166 km/h) (original P40DC)
110 mph (177 km/h) (P42DC, P32AC-DM, upgraded P40DC)
60 mph (97 km/h) (in electric mode; P32AC-DM only)
Power output
  • 3,200 hp (2,400 kW) (P32AC-DM)
  • 4,000 hp (3,000 kW) (original P40DC)
  • 4,250 hp (3,170 kW) (upgraded P40DC, P42DC)
Tractive effortP40DC, P42DC:
280.25 kN (63,000 lbf) Starting
169 kN (38,000 lbf) Continuous @38 mph (61.2 km/h)
P32AC-DM:
275.8 kN (62,000 lbf) Starting @ Stall to 14 mph (23 km/h)
113.43 kN (25,500 lbf) Continuous @64 mph (103 km/h)
Factor of adh.4.25 (DC)
4.4258 (AC)
Career
OperatorsAmtrak, Metro-North Railroad, Via Rail, CT Rail
NumbersAmtrak: P42DC 1-207; P32AC-DM 700-717; P40DC 800-843 (15 in service, 12 sold)
Metro-North: P32AC-DM 201-231
VIA Rail Canada: P42DC 900-920
CT Rail: P40DC 6700–6711
Official nameGenesis
DispositionOperational

The Genesis series of locomotives was designed by General Electric in response to a specification published by Amtrak. At 14 feet 4 inches (4.37 m) tall, the Genesis series are the lowest North American diesel-electric locomotives, being lower than the previous-generation F40PH by 14 inches (356 mm). This height restriction allows the locomotive to travel easily through low-profile tunnels in the Northeast Corridor.

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