The EMD SDP40F is a six-axle 3,000 hp (2.2 MW) C-C diesel–electric locomotive built by General Motors Electro-Motive Division (EMD) from 1973 to 1974. Based on Santa Fe's EMD FP45, …

Feb 26, 2025 · The SDP40F was Amtrak's first new road power, acquired by the carrier between the summers of 1973 and '74. Outwardly, it rode on the stretched frame of the earlier FP45 but …

An SDP40 is a 6-axle passenger diesel-electric locomotive built by General Motors Electro-Motive Division (EMD) between June 1966 and May 1970.

The SDP40F utilized a unique hollow bolster version of EMD's standard HT-C truck. The carbody of the SDP40F followed the styling established by the FP45 several years earlier. The first …

Built in 1973/74, the SDP40F was in short a FP45 that incorporated Dash 2 technology, including the HT-C six-axle truck. On paper, the 3000-hp "F-unit" should have been a success.

The EMD SDP40F was a six-axle 3,000 hp (2.2 MW) C-C diesel–electric locomotive built by General Motors Electro-Motive Division (EMD) from 1973 to 1974. Based on Santa Fe's EMD …

The EMD SDP40F was a six-axle, 3000 HP diesel passenger locomotive produced by General Motors Electro-Motive Division specifically for Amtrak. It is essentially an SD40 locomotive with …

The Electromotive Division SDP40F is a 6 axle, 3,000 HP diesel-electric locomotive built by EMD for Amtrak from 1973 to 1974. The locomotive was a cowled, passenger version of the SD40-2.

The EMD SDP40F was Amtrak’s first, official, built to order locomotive (previously they had operated using second hand equipment, such as E8’s, F7’s and even GG1’s). A need for new …

4 days ago · The SDP40F seems like the worst offender, but the big six-axle passenger power of the 1970s seems to have had a bad reputation for ride safety, let alone ride quality. What …