Located in Knoxville, Tennessee, Knoxville Locomotive Works (reporting mark KLWX) is an affiliate of Gulf & Ohio Railways. Since its establishment in 1998, Knoxville Locomotive Works (KLW) has repowered, refurbished, remanufactured, and/or upgraded over 400 locomotives. Today, KLW offers its own line of green, single-engine, repowered locomotives from 1,000 hp four axle switchers up to 3,200 hp six axle line haul locomotives.
In addition to green locomotives, KLW also offers conventional services, such as locomotive rebuilding and refurbishment services for traditional locomotives. KLW has a field services branch with four service regions (Northeast, Southeast, Midwest, West Coast), and a locomotive leasing and sales division.[1]
| Model designation | Build year | Total produced[2] | AAR wheel arrangement | Prime mover | Power output | Image |
|---|---|---|---|---|---|---|
| SE10B[3] | 2015-Present | 11[4][5] | B-B | MTU Series 2000 12V | 1,050 hp (0.78 MW) | |
| SE15B[6] | 2016-Present | 10[7] | B-B | MTU Series 2000 16V | 1,560 hp (1.16 MW) | |
| SE20B | 2014-Present | 1 (Demonstrator) | B-B | MTU Series 4000 12V | 2,250 hp (1.68 MW) | |
| SE24B[8] | 2018-Present | 2 | B-B | MTU Series 4000 12V R54 | 2,400 hp (1.79 MW) | |
| SE24C | 2018-Present | 1 | C-C | MTU Series 4000 12V R54 | 2,400 hp (1.79 MW) | |
| SE32C[9] | 2014-Present | 2 | C-C | MTU Series 4000 16V R54 | 3,200 hp (2.39 MW) |