KLW SE24B

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 2,400 horsepower (1,790 kW). To date, one SE20B locomotive has been produced for KLWX, and it operates on the Gulf and Ohio Railways.^[2] Furthermore, at least 6 SE24B locomotives have also been produced, including for the San Joaquin Valley Railroad.^[3]

KLW SE20B KLW SE24B[1]
Type and origin Power type Diesel-electric Builder Knoxville Locomotive Works Model SE20B SE24B Build date 2011 – present Total produced 1 SE20B demonstrator 6+ SE24Bs
Specifications Gauge 4 ft 8+1⁄2 in (1,435 mm) Prime mover MTU Series 4000 12V R54
Performance figures Power output SE20B: 2,250 hp (1,680 kW) SE24B: 2,400 hp (1,790 kW)
Career Operators See list

Original buyers

SE20B

Railroad	Quantity	Road numbers	Notes
Knoxville Locomotive Works[4]	1	KLWX 2250	Demonstrator. Rebuilt from ex-NS EMD GP38 2002[2]
Total	1

SE24B

Railroad	Quantity	Road numbers	Notes
San Joaquin Valley Railroad[3]	6	2405-2410	Acquired beginning in 2019. Rebuilt from ex-CSX NRE 3GS21B locomotives
Total	+6

See also

• Knoxville Locomotive Works
• National Railway Equipment, which produced the locomotives used to produce the SJV's SE24Bs

References

1. "KLW SE24B: For Yard and Road Switching". 2016. Archived from the original on 21 October 2019. Retrieved 20 December 2016.
2. "Pictures of KLWX 2250". 2016. Retrieved 21 December 2016.
3. "San Joaquin Valley Locomotives". www.thedieselshop.us. Retrieved 25 July 2024.
4. Knoxville Locomotive Works

External links

• – Official KLW Website
• – Official SE24B Page (archived)