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.

Jan 3, 2016 · SD-CB-C trucks (EMD part number 8408453) are distinguished by three brake cylinders, lack of small rectangular bumps below the side frame holes, prominent side frame stiffening bulges above the journals, and massive bolster …

EMD SD45 Data Sheet

Feb 1, 2025 · While only a few dozen each of the SD38 and SD39 were sold, the SD40 and SD45 both sold more than 1,200 locomotives, marking the first time EMD's SD series outsold their GP counterparts.

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.

Introduced with the other EMD 'Dash 2' models in 1972, the SD45-2 had improved electrical systems, higher capacity D77 traction motors, 4000 gallon fuel tank, and a redesigned HT-C truck.

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).

Dec 16, 2024 · "SD45" Model A new version of the Flexicoil Truck began appearing during early 1965 when EMD tested the C2L on a demonstrator SD45 during February of that year. This model also started appearing on late production SD35s as well as early SD40s.

Nov 6, 2024 · In 1972 EMD released the SD45-2, which featured upgraded "Dash 2" components such as improved electronics and high traction trucks. A variant of the new model was the SD45T-2, with the "T" denoting its design tunnel use.

EMD SD45X Data Sheet