EMD GP28

{{distinguish|text=the EMD GP28M, a rebuild of the EMD GP9}}

{{more footnotes|date=September 2016}}

{{Infobox locomotive

| name=EMD GP28

| image=ALM RR IMG 8746.JPG

| caption=Arkansas, Louisiana and Mississippi Railroad #1812 in Irondale, Alabama in 2010.

| powertype=Diesel-electric

| gauge={{track gauge|ussg|allk=on}}

| builder=General Motors Electro-Motive Division (EMD)

| buildmodel=GP28

| builddate=March 1964 – November 1965

| primemover=EMD 16-567D1

| enginetype=V16 diesel engine

| cylindercount=16

| poweroutput={{convert|1800|hp|MW|2|abbr=on|lk=in}}

| totalproduction=31

| locale=United States, Mexico, and Peru

}}

An EMD GP28 is a 4-axle diesel-electric locomotive built by General Motors Electro-Motive Division between March 1964 and November 1965. Power was provided by an EMD 16-567D1 16-cylinder engine which generated {{convert|1800|hp|MW|2|lk=in}}. This locomotive was basically a naturally aspirated version of the EMD GP35.{{cite book |last1=Foster |first1=Gerald L. |title=A field guide to trains of North America |date=1996 |publisher=Houghton Mifflin |location=Boston |isbn=0-395-70112-0 |page=32}}

16 examples of this locomotive model were built for American railroads, 10 were built for Mexican railroads, and five were built for use in Peru.