The KLW SE24B or KLW SE20B is a low-emissions diesel switcher locomotive built by Knoxville Locomotive Works (KLWX). It is powered by a single MTU Series 4000 12V R54 (TIER 3) diesel engine which develops a total power output of . To date, one SE20B locomotive has been produced for KLWX, and it operates on the Gulf and Ohio Railways. Furthermore, at least 6 SE24B locomotives have also been produced, including for the San Joaquin Valley Railroad.
Original buyers SE20B Railroad Quantity Road numbers NotesKnoxville Locomotive WorksKnoxville Locomotive Works 1 KLWX 2250 Demonstrator. Rebuilt from ex-NS EMD GP38 2002Total 1
NZE15B Railroad Quantity Road numbers NotesNapa Valley Wine Train 1 1864Acquired beginning in 2023. Rebuilt from ex-CSX NRE 3GS21B #1304.Total +1 SE24B Railroad Quantity Road numbers NotesSan Joaquin Valley Railroad 6 2405-2410Acquired beginning in 2019. Rebuilt from ex-CSX NRE 3GS21B and 2GS14B locomotivesCalifornia Northern Railroad 3 2401-2403Acquired beginning in 2019. Rebuilt from ex-CSX NRE 3GS21B locomotivesTotal +9
See also Knoxville Locomotive Works National Railway Equipment, which originally manufactured the locomotives used to produce the SE24Bs
References
External links – Official KLW Website – Official SE24B Page (archived)