Locomotives / Train Sets

EMD F40PH

Diesel-Electric Locomotive

Entry Last Edited: 01/17/2024 | Content ©www.RailRoadJunction.net | The following text is exclusive to this site.

The EMD F40PH was introduced in the mid-1970s and has endured decades of faithful commuter-minded service.

The F40PH is a diesel-electric locomotive primarily operated by AMTRAK for short-ranged passenger railway service. It is based in the EMD GP40-2 freight hauler which began appearing in 1972 and were built in over 1,100 examples. Using the same engine as the GP40-2, the F40PH was born in 1975 under General Motor's (GM) Electro-Motive Division (EMD) and were manufactured from then until 1992 to the tune of 475 examples (including some from General Motors Diesel = GMD). Additional builds (mostly rebuilt units totaling 31 examples) were had under the Morrison-Knudsen (MK) and MotivePower, Incorporated (MPI) brand labels from 1988 until 1998.

The F40PH was procured by AMTRAK to succeed the troublesome SDP40Fs (EMD) and P30CHs (General Electric) which were ordered by the company for service in 1973 to replace a fleet of aging types. After introduction, the F40PH eventually found its home and has remained a consistent player for AMTRAK services as well as other North American railway companies.

In the F40PH design, the wheel configuration is of B-B (four-axle), identifying a pair of identical trucks with two powered axles each - suitable for high-speed / low-weight travel endeavors. The driver's cab sits over the front section of the locomotive with access doors positioned along both sides of the cab. There is a short hood over the bow as well as access staircases and hand rails. The rectangular form of the locomotive is unbroken heading aft behind the driving cab. Large windscreens are positioned forward of the driver and to either side of the cab. Overall length of the unit is 56.1 feet with a width of 10.6 feet and a height of 15.7 feet.

The prime mover in the arrangement is the EMD 645E3 V16 (16-cylinder) diesel engine with AR10/D14 alternator and D77 traction motors. Total output power is 3,000 to 3,200 horsepower allowing the unit to reach a maximum speed of 110 miles-per-hour (177kmh).

Variants of the line include the EMD F40PH-2 of 1985 bringing about the 3,200 horsepower output engine. The F40PHR were forty EMD rebuilds of the troublesome SDP40F engines. F40PH-2C and F40PH-CAT included separate Cummins and Caterpillar (respectively) Head-End Generator ("HEP" in 3-phase AC power form) generator sets along within lengthened loco frames. F40PH-2D were Canadian market-modified units. The F40PHM-2 (F40PHM-3) were the last 30-batch units AMTRAK purchased and these were notable for their switch to "sloped" cab approach.

The F40PH-2M were four locomotives procured by Speno (Serial Nos. S1 through S4) and lacked turbocharger components which restricted output to just 2,000 horsepower. The F40PHL-2 were five locomotives constructed in 1998 for TriRail by MK. The F40PH-3 were rebuilds by Progress Rail for Metra. The F40M-2F was a modified F40PH to serve in freight service.

Some locomotives were reconstituted by AMTRAK, essentially gutted of their internal operating gear, to become dedicated non-powered baggage cars - twenty-two being completed in this way.

Companies having operated (or continue to do so) the EMD F40PH include Caltrain (20 units, F40PH-2 models), Metra (41 units, F40PH-2 and F40PHM-2 models), and Via Rail Canada, Incorporated (59 units, GMD F40PH-2).

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Specifications [ EMD F40PH ]

Electro-Motive Division (EMD) of General Motors / General Motors Diesel (GMD) / Morrison-Knudsen (MK) / Motive Power (MPI) - USA
Builder

United States
Origin

1975 - 1998
Production Run

506 units
Production Total

Front-Right
Driver Position

17.1m | 56.2 ft
Length
NOTE: May include length of entire train set

122,000 kg
(269,010 lb | 134 US Tons)
Weight

Diesel-Electric
Power Source

1 x EMD 645E3 V16 diesel engine with AR10/D14 alternator set.
Engine / Drive Source

D77 series.
Traction Motor / Sets

177.0 kph
(110.0 mph)
Max Speed

Wheel Arrangement
(Loco Facing Left)

Series Variants
F40PH - Base Series Designation.
F40PH-2 - Model of 1985; 3,200 horsepower output.
F40PH-2C - Lengthened form with Cummins HEP generator.
F40PH-CAT - Lengthened form with Caterpillar HEP generator.
F40PH-2D - Via Rail loco with Canadian market modifications.
F40PHM-2 - Sloped cab form for AMTRAK; 30 examples.
F40PHM-3 - Rebuilt F40PHM-2s.
F40PH-2M - Sans turbocharger equipment for operator Speno.
F40PHL-2 - Five EMD GP40 series locos rebuilt by Morrison-Knudsen in 1988 for Tri-Rail.
F40PH-3 - Forty-one rebuilds for Metra by Progress Rail with remanufactured powerplants and traction motors and microprocessor traction control scheme.
F40PHM-2C - Twelve locos for MBTA with new EMD components.
F40PH-3 - Six locos for Altamont Commuter Express with new EMD components.
F40M-2F - Freight service model.

Operating Countries
Canada; United States

Customers / Operators:
Altamont Commuter Express; AMTRAK; Caltrain; Coaster; GO Transit; Massachusetts Bay Transportation Authority (MBTA); Metra; NJ Transit; Regional Transportation Authority (RTA); Speno; TriRail; Via Rail (Canada)
NOTE: Includes both past and present

Image of the EMD F40PH

Side profile illustration of the EMD F-40PH diesel-electric locomotive.
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