The SD45 is a six-axle diesel-electric locomotive class built by General Motors Electro-Motive Division between 1965 and 1971. It has an EMD 645E3 twenty- cylinder engine generating 3,600 hp (2,680 kW) on the same frame as the SD38, SD39, SD40, and SDP40.

Dec 20, 2024 · The SD45 was the most powerful and entered EMD's catalog in December, 1965 with the unveiling of Demonstrator #4351. The big locomotive was equipped with a 20-cylinder variant of the builder's new model 645E3 prime mover.

The EMD SD45-2 is a 6-axle diesel-electric locomotive built by General Motors Electro-Motive Division (EMD). EMD built 136 locomotives between 1972 and 1974, primarily for the Atchison, Topeka and Santa Fe Railway (ATSF).

EMD SD45 Data Sheet

The SD45T-2 is a variant of the venerable SD45 that featured the "Dash 2" upgrade components such as improved electronics and high traction trucks, with the "T" denoting its cooling system modifications.

Feb 1, 2025 · The SD45 also marked the end of EMD's horsepower race of the 1960s, with the comparative reliability and versatility of the 3,000-horsepower SD40 paving the way for the hugely successful SD40-2.

Jan 3, 2016 · Over the period of 1966 to 1972, when production began on the SD45-2, EMD built 1,260 SD45s. While other western roads eventually bought hundreds of the new SD45, Union Pacific limited its orders to 50 units total.

Mar 16, 2020 · •MANUFACTURER: EMD •OPERATED ON: Most North American Class I freight railroads •NAMES: Hustle Muscle, Flares, Speed Machines, Tunnel Motor (for SD45T-2) •QUANTITY: 1,695 (1,312 SD45, SDP45), (383 SD45-2, SD45T-2) •HORSEPOWER: 3,600 •KNOWN FOR: Angled radiators at the rear on the SD45, grills by walkways at …

The EMD (Electro Motive Division) SD45 is a series of six-axle 3,600 hp diesel locomotives which were built from December 1965 to December 1971. 1,260 were built before the SD45-2 super-ceded it.

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