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The following is a list of diesel-electric locomotives that meet or exceed EPA Tier 2 locomotive emissions regulations, sorted by builder. This is a non-exhaustive list of locomotives in North America. Furthermore, green/clean energy is an always developing sector and that more locomotives may be added to the list, while some will no longer meet current standards.
| Model designation | Wheel arrangement | Build year | Total produced | Power output | # of engines | Engine type | Image |
|---|---|---|---|---|---|---|---|
| BP4 | B-B | 2009 | 1 | 1,500 horsepower (1,120 kW ) [1] | 0 | 1080 12-volt rechargeable batteries [2] | |
| GP33ECO | B-B | 2015–present | 19 | 3,000 horsepower (2,240 kW ) [3] | 1 | EMD 12N-710G3B-T3 ECO |
Brandt Road-Rail is a company that mainly produces road–rail vehicles, especially railcar movers and maintenance of way equipment. [4] [5]
In addition, in 2006, it also built a single prototype genset locomotive. [6]
| Model designation | Wheel arrangement | Build year | Total produced | Power output | # of engines | Engine type | Image |
|---|---|---|---|---|---|---|---|
| Prototype | B-B | 2006 | 1 (prototype) | 1,800 horsepower (1,340 kW ) | 3 | John Deere 6135H (I6) | See here |
| Model designation | Wheel arrangement | Build year | Total produced | Power output | # of engines | Engine type | Image |
|---|---|---|---|---|---|---|---|
| BL12CG | B-B | 2015–present | 2 | 1,200 horsepower (895 kW ) | 2 | Cummins | |
| BL14CG | B-B | 2008–present | 2 | 1,400 horsepower (1,040 kW ) | 2 | Cummins QSK-19 (I6) | |
| BL20CG | B-B | 2007–present | 1 | 2,100 horsepower (1,570 kW ) | 3 | Cummins QSK-19 (I6) |  |
| BL20G | B-B | 2008–present | 2,000 horsepower (1,490 kW ) | 1 | MTU-Detroit Diesel 12V4000 (V12) | ||
| BL20GH | B-B | 2008–present | 12 | 2,000 horsepower (1,490 kW ) | 1 (plus HEP engine) | MTU-Detroit Diesel 12V4000 (V12) and Caterpillar C15 (I6) (HEP) |  |
| BL36PH | B-B | 2012 | 12 | 3,619 horsepower (2,700 kW ) | 1 (plus HEP engine) | MTU 20V4000 (V20) |  |
| Model designation | Wheel arrangement | Build year | Total produced | Power output | # of engines | Engine type | Image |
|---|---|---|---|---|---|---|---|
| F125 | B-B | 2015–2021 | 40 | 4,700 horsepower (3,500 kW ) | 1 | Caterpillar C175-20 (V20) |  |
| GP15D | B-B | 2000 | 10 | 1,500 horsepower (1,120 kW ) | 1 | Caterpillar 3512 (V12) (EMD 12-170B15-T2) |  |
| GP20D | B-B | 2000 | 40 | 2,000 horsepower (1,490 kW ) | 1 | Caterpillar 3516 (V16) (EMD 16-170B20-T2) |  |
| GP22ECO | B-B | 2009 | 2,150 horsepower (1,600 kW ) | 1 | EMD 8–710G3A–T2 |  | |
| SD22ECO | C-C | 2009 | 2,150 horsepower (1,600 kW ) | 1 | EMD 8–710G3A–T2 | ||
| SD32ECO | C-C | 2009 | 3,150 horsepower (2,350 kW ) | 1 | EMD 12–710G3B–T2 | ||
| SD70ACe | C-C | 2004–2014 | 1,034 | 4,300 horsepower (3,210 kW ) | 1 | EMD 16-710G3C-T2 (V16) |  |
| SD70M-2 | C-C | 2005–2010 | 331 | 4,300 horsepower (3,210 kW ) | 1 | EMD 16-710G3C-T2 (V16) |  |
| SD70ACe-T4 | C-C | 2015–present | 4,600 horsepower (3,430 kW ) | 1 | EMD 12-1010J3 (V12) |  |
| Model designation | Wheel arrangement | Build year | Total produced | Power output | # of engines | Engine type | Image |
|---|---|---|---|---|---|---|---|
| ES40DC | C-C | 2004–2007 | 4,000 horsepower (2,980 kW ) | 1 | GE GEVO-12 (V12) |  | |
| ES44AC | C-C | 2003–2014 | 4,400 horsepower (3,280 kW ) | 1 | GE GEVO-12 (V12) |  | |
| ES44C4 | A1A-A1A | 2009–2014 | 4,400 horsepower (3,280 kW ) | 1 | GE GEVO-12 (V12) | ||
| ES44DC | C-C | 2004–2010 | 4,400 horsepower (3,280 kW ) | 1 | GE GEVO-12 (V12) |  | |
| ET44AC | C-C | 2015–present | 4,400 horsepower (3,280 kW ) | 1 | GE GEVO-12 (V12) | ||
| ET44C4 | A1A-A1A | 2015–present | 4,400 horsepower (3,280 kW ) | 1 | GE GEVO-12 (V12) |
Motive Power and Equipment Solutions was a locomotive manufacturer and rebuilder active in Greenville, South Carolina from 1999 until 2022. [7] [8] This company is not to be confused with MotivePower.
| Model designation | Wheel arrangement | Build year | Total produced | Power output | # of engines | Engine type | Image |
|---|---|---|---|---|---|---|---|
| MP-900 | B-B | 1999–2022 | 900 horsepower (671 kW ) | 2 | Cummins QSX15 (I6) Tier 2 | See here | |
| B-B | 2009–2022 | 2 | Cummins QSX15 (I6) Tier 3 | ||||
| B-B | 2012–2022 | 2 | Cummins QSX15 (I6) Tier 4 | ||||
| MP-1200 | B-B | 2012–2022 | 1,200 horsepower (895 kW ) | 2 | Cummins QSX15 (I6) Tier 4 | ||
| MP-1500 | B-B | 2007–2022 | 1,500 horsepower (1,120 kW ) | 2 | Cummins QSX19 (I6) Tier 3 | ||
| MP-1500 "Greenville" [9] | B-B | 2014–2022 | 1,500 horsepower (1,120 kW ) | 2 | Cummins QSK19 (I6) Tier 3 with CNG/Diesel Dual Fuel | ||
| MP550-B1 [10] | B-B | 2013 | At least 1 | 550 horsepower (410 kW ) | 1 | Cummins QSX15 Tier 3 |  |
| MP2000NG | B-B | 2018-2020 [lower-alpha 1] | 2 (for D&SNG) | 2,000 horsepower (1,490 kW ) | ? | See here |
| Model designation | Wheel arrangement | Build year | Total produced | Power output | # of engines | Engine type | Image |
|---|---|---|---|---|---|---|---|
| MP8AC-3 | B-B | 2012–2013 | 28 | 800 horsepower (597 kW ) | 1 (plus HEP engine) | Cummins QSK-23 (I6) |  |
| MP14B | B-B | 2008–present | 7 | 1,400 horsepower (1,040 kW ) | 2 | Cummins QSK-19C (I6) |  |
| MP21B | B-B | 2008–present | 1 | 2,100 horsepower (1,570 kW ) | 3 | Cummins QSK-19C (I6) | |
| MP20B | B-B | 2008–present | 21 | 2,000 horsepower (1,490 kW ) | 1 | MTU-Detroit Diesel 12v4000 (V12) | |
| MP20C | C-C | 2007–present | 14 | 2,000 horsepower (1,490 kW ) | 1 | MTU-Detroit Diesel 12v4000 (V12) | |
| MP36PH-3C | B-B | 2003–present | 113 | 3,600 horsepower (2,680 kW ) | 1 (plus HEP engine) | GE (EMD) 16-645F3B (V16) |  |
| MP36PH-3S | B-B | 2003–present | 27 | 3,600 horsepower (2,680 kW ) | 1 | GE (EMD) 16-645F3B (V16) |  |
| MP40PH-3C | B-B | 2008–present | 70 | 4,000 horsepower (2,980 kW ) | 1 (plus HEP engine) | EMD 16-710G3B-T2 (V16) |  |
| MP32PH-Q | B-B | 2014–present | 10 | 3,200 horsepower (2,390 kW ) | 1 (plus HEP engine) | GE (EMD) 16-645F3B (V16) |  |
| HSP46 | B-B | 2013–present | 40 | 4,650 horsepower (3,470 kW ) | 1 | GE GEVO-12 (V12) |  |
| Model designation | Wheel arrangement | Build year | Total produced | Power output | # of engines | Engine type | Image |
|---|---|---|---|---|---|---|---|
| 1GS7B | B-B | 2008–present | 9 | 700 horsepower (522 kW ) | 1 | Cummins QSK19C (I6) | |
| 2GS12B | B-B | 2014–present | 4 | 1,200 horsepower (895 kW ) | 2 | Cummins QSX15 (I6) Tier 4 | |
| 2GS14B | B-B | 2005–present | 18 | 1,400 horsepower (1,040 kW ) | 2 | Cummins QSK19C (I6) | |
| 3GS21B | B-B | 2006–present | 171 | 2,100 horsepower (1,570 kW ) | 3 | Cummins QSK19C (I6) |  |
| 3GS21C | C-C | 2008–present | 3 | 2,100 horsepower (1,570 kW ) | 3 | Cummins QSK19C (I6) | |
| 2GS36C-DE | C-C | 2011–present | 1 | 3,600 horsepower (2,680 kW ) | 2 | Cummins QSK50L (V16) |
| Model designation | Wheel arrangement | Build year | Total produced | Power output | # of engines | Engine type | Image |
|---|---|---|---|---|---|---|---|
| PR15B | B-B | 2008–present | 1,490 horsepower (1,110 kW ) | 2 | Caterpillar C18 (I6) | ||
| PR22B | B-B | 2008–present | 2,235 horsepower (1,670 kW ) | 3 | Caterpillar C18 (I6) | ||
| PR30C | C-C | 2009–present | 3,005 horsepower (2,240 kW ) | 1 | Caterpillar 3516 (V16) | ||
| PR43C | C-C | 2009–2011 | 12 | 4,300 horsepower (3,210 kW ) | 2 | Caterpillar C175 (V16) and Caterpillar C18 (I6) |
| Model designation | Wheel arrangement | Build year | Total produced | Power output | # of engines | Engine type | Image |
|---|---|---|---|---|---|---|---|
| GGS2000D "Emerald" | B-B | 2001 | 1 (prototype) | 2,000 horsepower (1,490 kW ) | 1 | 130 Hp Caterpillar | |
| GG20B "Green Goat" | B-B | 2004–present | 55 | 2,000 horsepower (1,490 kW ) | 1 | 300 Hp Caterpillar |  |
| GG10B "Green Goat" | B-B | 2005–present | 6 | 1,000 horsepower (746 kW ) | 1 | 300 Hp Caterpillar | |
| GK10B "Green Kid" | B-B | 2005–present | 4 | 1,000 horsepower (746 kW ) | 1 | 300 Hp Caterpillar | |
| RP20BH (Hybrid) | B-B | 2006–present | 1 (prototype) | 2,000 horsepower (1,490 kW ) | 2 | Deutz | |
| RP20BD (Genset) | B-B | 2008–present | 116 | 2,000 horsepower (1,490 kW ) | 3 | Deutz | |
| RP14BD | B-B | 2008–present | 8 | 1,400 horsepower (1,040 kW ) | 2 | Deutz |  |
| RP20CD | C-C | 2007–present | 6 | 2,000 horsepower (1,490 kW ) | 3 | Deutz | |
| RP27CD | C-C | 2009–present | 0 | 2,667 horsepower (1,990 kW ) | 4 | Deutz |
| Model designation | Wheel arrangement | Build year | Total produced | Power output | # of engines | Engine type | Image |
|---|---|---|---|---|---|---|---|
| Siemens Charger | B-B | 2016–present | 392 | 4,000 horsepower (2,980 kW ), 4,200 horsepower (3,130 kW ), 4,400 horsepower (3,280 kW ) | 1 | Cummins QSK95 |  |
In 2009, a company called Vehicle Projects, in cooperation with BNSF Railway, rebuilt one Railpower GG20B locomotive into a prototype hydrogen-powered locomotive, called an HH20B. [11] [12]
| Model designation | Wheel arrangement | Build year | Total produced | Power output | # of engines | Engine type | Image |
|---|---|---|---|---|---|---|---|
| HH20B | B-B | 2009 [lower-alpha 2] | 1 | 2,000 horsepower (1,490 kW ) | 0 | Hydrogen fuel cell |
The EMD GP30 is a 2,250 hp (1,680 kW) four-axle diesel-electric locomotive built by General Motors Electro-Motive Division of La Grange, Illinois between July 1961 and November 1963. A total of 948 units were built for railroads in the United States and Canada, including 40 cabless B units for the Union Pacific Railroad.
The EMD F7 is a model of 1,500-horsepower (1,100 kW) diesel-electric locomotive produced between February 1949 and December 1953 by the Electro-Motive Division of General Motors (EMD) and General Motors Diesel (GMD).
The EMD SD70 is a series of diesel-electric locomotives produced by the US company Electro-Motive Diesel in response to the GE Dash 9-44CW. This locomotive family is an extension and improvisation to the EMD SD60 series. Production commenced in late 1992 and since then over 5,700 units have been produced; most of these are the SD70M, SD70MAC, and SD70ACe models. While the majority of the production was ordered for use in North America, various models of the series have been used worldwide. All locomotives of this series are hood units with C-C trucks, except the SD70ACe-P4 and SD70MACH which have a B1-1B wheel configuration, and the SD70ACe-BB, which has a B-B-B-B wheel arrangement.
The EMD SD90MAC is a model of 6,000 hp (4,470 kW) C-C diesel-electric locomotive produced by General Motors Electro-Motive Division (EMD). It is, with the SD80MAC, one of the largest single-engined locomotives produced by EMD, surpassed only by the dual-engined DDA40X.
The EMD GP38 is a four-axle diesel-electric locomotive built by General Motors Electro-Motive Division between January 1966 and December 1971. The locomotive's prime mover was an EMD 645 16-cylinder engine that generated 2,000 horsepower (1.49 MW). The company built 706 GP38s for North American railroads.
The EMD GP38-2 is an American four-axle diesel-electric locomotive built by General Motors, Electro-Motive Division. Part of the EMD Dash 2 line, the GP38-2 was an upgraded version of the earlier GP38. Power is provided by an EMD 645E 16-cylinder engine, which generates 2,000 horsepower.
The EMD SD9 is a model of diesel locomotive built by General Motors Electro-Motive Division between January 1954 and June 1959. An EMD 567C 16-cylinder engine generated 1,750 horsepower (1.30 MW). Externally similar to its predecessor, the SD7, the SD9 was built with the improved and much more maintainable 567C engine.
The EMD SD40 is an American 6-axle diesel-electric locomotive built by General Motors Electro-Motive Division between January 1966 and August 1972. 1,268 locomotives were built between 1966 and 1972. In 1972, an improved version with new electronics was developed and marketed as a new locomotive, the SD40-2.
Railpower Technologies is a subsidiary of R.J. Corman Railroad Group that builds environmentally friendly hybrid Green Goat and Genset switching locomotives, founded by Frank Donnelly and Gerard Koldyk. Its locomotives have been purchased by Canadian Pacific Railway, BNSF Railway, Kansas City Southern Railway and Union Pacific Railroad among others.
The GE C40-8W is a 6-axle diesel-electric locomotive built by GE Transportation Systems from 1989 to 1994. Often referred to as the Dash light series, it is part of the GE Dash 8 Series of freight locomotives. This locomotive model is distinguished from the predecessor Dash 8-40C by the addition of a newer "wide" or "safety" cab. A cowl-bodied version of this locomotive, built only for the Canadian market, was the GE Dash 8-40CM.
The MPI MPXpress is a line of diesel-electric locomotives built by MotivePower for commuter rail service. There are five MPXpress models: MP36PH-3S, MP36PH-3C, MP40PH-3C, MP32PH-Q, and MP54AC.
National Railway Equipment Company is an American railroad equipment rebuilding, leasing, and manufacturing company, headquartered in Mt. Vernon, Illinois. NREC sells new and rebuilt locomotives to railroad companies worldwide, with an emphasis on the North American market.
The GE Dash 9-40C, also called a C40-9, was a 4,000-horsepower (3,000 kW) diesel locomotive that was built by GE Transportation Systems of Erie, Pennsylvania, between January 1995 and March 1995. The C40-9 was equipped with the 16-cylinder 7FDL-16 prime mover which is rated at a lower power than the 4,400 hp (3,300 kW) GE Dash 9-44CW that debuted a year earlier in 1994. It featured GE's direct current B13B traction motors.
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). Each engine could be individually started or shut off depending on load reducing overall diesel emissions and improving fuel efficiency. More than 150 of the 3GS21B genset locomotives have been produced to date, with the majority of these units being manufactured at NRE's Mount Vernon shops in Southern Illinois. In addition, three road slug models have also been produced.
The Railpower GG20BGreen Goat is a low-emissions diesel hybrid switcher locomotive built by Railpower Technologies Corp. It is powered by a single Caterpillar C9 six cylinder inline engine developing 300 horsepower (224 kW), which is also connected to a large battery bank where both sources combine for a total power output of 2,000 horsepower (1,490 kW). To date, there have been more than 50 GG20B diesel-electric hybrid switchers manufactured since their first introduction in 2004.
The Altoona Works BP4 is a 1,500 hp (1,120 kW) B-B battery-electric locomotive rebuilt by the Altoona Works of the Norfolk Southern Railway. It was created in 2007 by replacing the diesel prime mover of an EMD GP38 with 1,080 12-volt lead-acid batteries and associated control equipment. The converted locomotive was redesignated Norfolk Southern #999.
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). Instead of a single prime mover, the NRE genset locomotive has three engines that each can be turned off or on as power is needed reducing overall diesel emissions and improving fuel efficiency. At least 27 3GS21C genset locomotives have been produced to date at NRE's Mount Vernon shops in Southern Illinois.
The Dash 9 Series is a line of diesel locomotives built by GE Transportation. It replaced the Dash 8 Series in the mid-1990s, and was superseded by the Evolution Series in the mid-2000s. Dash 9 series locomotives are some of the most common in the United States.
The GE AC44C6M is an AC-traction 4,400-horsepower (3,300 kW) diesel locomotive, rebuilt from GE Transportation Dash 9 locomotives. AC44C6M rebuilds have been done by GE, American Motive Power, Inc., and Norfolk Southern Railway's Juniata and Roanoke Shops, starting in September 2015. The AC44C6M retains the 16-cylinder 7FDL-16 prime mover used in the core locomotive prior to rebuilding, but replaces the Dash 9's DC traction motors with alternating current GE 5GEB13B7 traction motors. Externally, the rebuilds have received new wide-nosed cabs, a new front hood section, and a new inverter cabinet behind the cab, while retaining the underframe and engine and radiator compartments of the original Dash 9 units.
The NRE 2GS12B is a low-emissions diesel genset switcher locomotive built by National Railway Equipment Company as part of its N-ViroMotive series of low-emission locomotives. It is powered by two Cummins QSK15, a straight-six engine, with each one developing 600 horsepower (450 kW) and creating a total power output of 1,200 hp (890 kW). The locomotives are compliant with the EPA's Tier 4 emissions standards requirements for non-road diesel engines.
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