Tennessee locomotive maker earns Tier 4 certifications

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A Knoxville Locomotive Works six-axle unit.
Knoxville Locomotive Works
KNOXVILLE, Tenn. — Knoxville Locomotive Works, an original equipment manufacturer of switcher and road-switcher locomotives, was recently awarded EPA Tier 4 emission certifications for its SE Series four- and six-axle locomotive designs. The Tier 4 certifications include the switch duty cycle for KLW models rated at 2,000, 2,200 and 2,300 brake horsepower and the line haul duty cycle for Knoxville models rated at 2,400 through 3,200 brake horsepower. Knoxville is the only freight locomotive manufacturer to have achieved Tier 4 switch and line haul certifications in this broad range of horsepower classifications with single engine prime movers.

“KLW’s strategy was to assimilate a team of industry experts and supplier resources capable of advancing to the stringent requirements of Tier 4 locomotive air quality standards. These locomotives use [diesel exhaust fluid] at a rate of less than 2.5-percent per gallon of diesel fuel while delivering significantly improved fuel savings and tractive effort versus their conventional locomotive counterparts,” says Knoxville Locomotive Works’ Chairman Pete Claussen.

More information is available online.

— A Knoxville Locomotive Works news release. Aug. 22, 2017.

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