EMD F40PHR

EMD F40PHR
Type and origin Power type Diesel-electric Builder Electro-Motive Division (EMD) Build date June 1973 – August 1974 (40 of them as EMD SDP40F locomotives) 1977 (40 rebuilt as F40PHRs) Total produced 40 (from 40 EMD SDP40F) 176 (additional) Total: 216
Specifications Configuration: ​  • AAR B-B  • UIC Bo'Bo' Gauge 4 ft 8 1⁄2 in (1,435 mm) standard gauge Trucks Blomberg M Length 56 ft 2 in (17.12 m) Width 10 ft 7 in (3.23 m) Height 15 ft 7.5 in (4.763 m) Loco weight 260,000–282,000 lb (118,000–128,000 kg) Prime mover EMD 645E3 Engine type V16 Diesel Alternator AR10/D14 Traction motors D77 Cylinders 16
Performance figures Maximum speed 103–110 mph (166–177 km/h) Power output 3,000–3,200 hp (2.2–2.4 MW)

The EMD F40PHR is a rebuild from EMD SDP40F locomotives that were originally built by the Electro-Motive Division (EMD) as EMD SDP40Fs between June 1973 – August 1974.

History

As problems with the EMD SDP40F had mounted, Amtrak had adopted the F40PH as its long-term solution nationwide for diesel service. In the spring of 1977 Amtrak had traded a total of 40 EMD SDP40F locomotives back to the Electro-Motive Division (EMD) to be rebuilt; components including the prime mover were installed into an F40PH's frame. The 40 rebuilt locomotives were designated as the "F40PHR" and were identical to new build F40PH locomotives, incorporating the larger fuel tank and more powerful HEP generator which had become standard.

Amtrak ultimately acquired 132 F40PHRs in this manner, which combined with new orders between 1975 and 1988, and the purchase of six GMD F40PHs from GO Transit in 1990, led to a fleet of 216 locomotives, the country's largest fleet.

Further reading

• Cook, Preston (February 1991). "The SDP40F: From Varnish to Vanquished (Part 2)". Railfan & Railroad. 10 (2): 42–50.
• Graham-White, Sean; Weil, Lester (December 1999). "The little locomotive that did". Trains. 59 (12): 52–61.
• Simon, Elbert; Warner, David C. (2011). Holland, Kevin J., ed. Amtrak by the Numbers: A Comprehensive Passenger Car and Motive Power Roster – 1971–2011. Kansas City, Missouri: White River Productions. ISBN 978-1-932804-12-6. Search this book on
• Holland, Kevin J. (Spring–Summer 2009). "Amtrak's F40PH: From dark clouds, a silver lining". Railroad History (200): 56–65.

External links

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