The NRE 3GS21C is a low-emissions diesel genset locomotive built by National Railway Equipment (NRE). It is powered by three Cummins QSK19C I6 engines with each one developing 700 horsepower (522 kW) and creating a total power output of 2,100 horsepower (1,570 kW).

The NRE 3GS21C is a genset switcher locomotive built by National Railway Equipment. It is powered by three Cummins QSK19C engines with each one producing 700 horsepower and creating a total power output of 2,100 horsepower.

The NRE 3GS21B is a low-emissions diesel genset locomotive built by National Railway Equipment (NRE). Instead of a single prime mover, the NRE genset locomotive is powered by three separate 700 horsepower (522 kW) Cummins QSK19C engines providing a total power output of 2,100 horsepower (1,570 kW).

The NRE 3GS21B is a low - emissions diesel road switcher locomotive built by National Railway Equipment. It is powered by three Cummins QSK19C I6 engines with each one developing 700 horsepower ( 522 kW) and creating a total power output of 2, 100 horsepower ( 1, 570 kW ).

NRE offers four different genset models - a single engine 700hp model 1GS7B, the twin engine 1,400hp model 2GS14B, the three engine 2,100hp 4 axle 3GS21B, and the three engine 2,100hp six axle 3GS21C. A fifth variant, the six axle, four engine 3GS28C, has been announced, but as of Sept. 2009 none have been built.

IHB 3GS21C #2161 was built on the frame of NREX 9323/SP 9323, an SD45T-2.

Switching cuts of well cars at BNSF's San Bernardino intermodal facility are 3GS21C-DE 1310 (created by NRE on an SD45-2 frame [ex-BNSF 6482; ex-ATSF 5832; nee-ATSF 5696] and SD40-2 1893 (ex-BNSF 6806; nee-ATSF 5122). It was 102º on this August 13, 2016, afternoon.

PHL 80 is the first 3GS21C. According to reports, it's built on an SD45 frame, with trucks from an SD40-2. Heritage of the donor unit is not known at this time. The 3GS21C has six axles and 3 …

NRE 3GS21C Data Sheet

Notes : Built by NRE, Paducah KY. (8/2007) as NRE 3GS21C Demonstrator NREX #2009. Acquired by CP for testing at Alyth, Calgary AB. (11/2007).