Lub Evolution Series yog ib txoj kab ntawm diesel locomotives tsim los ntawm GE Transportation Systems (tam sim no muaj los ntawm Wabtec), pib tsim los ua kom tau raws li US EPA's Tier 2 locomotive emissions qauv uas tau siv rau xyoo 2005. Cov kab yog tus ncaj qha mus rau GE Dash 9. Series. Thawj cov khoom ua ntej tau tsim nyob rau xyoo 2003. Evolution Series locomotives yog nruab nrog AC lossis DC traction motors, nyob ntawm tus neeg siv khoom nyiam. Tag nrho cov yog powered los ntawm GE GEVO engine.[4]

Lub Evolution Series tau raug hu ua ib qho ntawm "10 Locomotives That Changed Railroading" los ntawm Trains Magazine thiab yog tib lub locomotive series qhia tom qab 1972 kom suav nrog hauv cov npe ntawd.[5]

Lub Evolution Series locomotives yog qee qhov muag khoom zoo tshaj plaws thiab muaj kev vam meej tshaj plaws hauv lub tebchaws United States keeb kwm.

Cov locomotives no tau nruab nrog Nathan Airchime K5HL horns, nrog rau kev hloov 2 configuration, ua ib tug K5HLR2. Lub horns yog mounted rov qab nrog 2 tswb tsuas yog tig mus rau pem hauv ntej thiab lub tswb 4 tig rov qab. Tag nrho cov locomotives siv cov horns, tshwj tsis yog rau ET23DCM thiab thoob ntiaj teb locomotives.