The EMD F40PH is a four-axle 3,000–3,200 hp (2.2–2.4 MW) B-B diesel-electric locomotive built by General Motors Electro-Motive Division in several variants from 1975 to 1992. Intended for use on Amtrak 's short-haul passenger routes, it became the backbone of Amtrak's diesel fleet after the failure of the EMD SDP40F.

F40PH型柴油机车 是 美国 通用汽车 易安迪公司 （GM-EMD）于1970年代推出的一款干线客运 柴油机车。 1970年，为了挽救岌岌可危的美国铁路客运业务， 美国国家铁路客运公司 （美铁）经 国会 批准成立，并于1971年5月1日起开始营运，接管了当时全美20家大型铁路公司的客运业务。 1970年代初，为了汰换各种各样从不同铁路公司接手的柴油机车，美铁首先向易安迪公司订购了 SDP40F型柴油机车，随后又向 通用电气公司 订购了 P30CH型柴油机车，用于牵引 长途城际 …

F40PH和GP40/SD40系列机车一样，装备了EMD 16-645E型16缸二冲程涡轮增压柴油机，标称功率为 3000hp（2200kw） （1985年后的批次提升到了3200hp），采用 交-直传动，四轴，AAR轴式为 B-B。 机车长度17.1m，宽3.23m，高4.76m，标准重量为 117.9t。 机车设计运行速度为103mph（166km/h），但美铁部分批次的机车通过改变齿轮比，运行速度达到了110mph（177km/h）。 F40PH的命名方式为： F ull-width cowl body, Model- 40, P …

2025年2月26日 · Electro-Motive's F40PH series became the face of Amtrak for more than two decades. The model was originally designed to operate in commuter and short haul service. However, the SDP40F's failure prompted Amtrak to look elsewhere for a long-haul road locomotive. In response, EMD redesigned the F40PH.

2025年2月24日 · 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.

M-K began constructing the F40PHL-2s by purchasing and rebuilding five GP40s of Penn Central heritage (to become Conrail locomotives, then sold to Itel Corp). The locomotives were upgraded with EMD Dash 2 electonics, and a shaft driven HEP generator was added to provide power to trailing coaches.

The EMD F40PH is a four-axle 3,000–3,200 hp (2.2–2.4 MW) B-B diesel-electric locomotive built by General Motors Electro-Motive Division in several variants from 1975 to 1992. Intended for use on Amtrak 's short-haul passenger routes, it became the backbone of Amtrak's diesel fleet after the failure of the EMD SDP40F.

The General Motors Electro-Motive Division F40PH series is a 4-axle lightweight diesel-electric locomotive originally designed for service with Amtrak.

Morrison-Knudson F40PHL-2 shoving a mid-day train at the former Seaboard Air Line Hollywood Florida depot. 801 was rebuilt by combining the frame from Conrail GP40 #3230 with the cowls of two Burlington Northern F45s #6630 and #6637. The result really looks like an F45 until you gaze down at those B-B trucks.

The EMD F40PH is a full cowl-bodied, 3,000 hp to 3,200 hp four-axle diesel-electric locomotive, which was originally built by Electro-Motive Division between 1975 to 1992 and was then built by Morrison-Knudsen Rail and then MPI (Motive Power Inc) in the 1990s and early 2000s.