Peterbilt Provides Fuel Efficiency with Uncompromised Performance Through Expanded High-Performance NG Engine Offerings (USA)

Peterbilt Motors Company announced the expansion of liquefied natural gas (LNG) platforms meeting customer requirements for lowering operating costs while maintaining excellent performance.

As the leading manufacturer of alternative fuel system vehicles, Peterbilt offers the Models 367 LNG and 386 LNG with the Westport HD engine, providing equal horsepower, torque, and efficiency to a diesel-fueled engine.

“As diesel prices continue to rise, customers are looking for alternative fuel options without impacting performance or service,” said Bill Jackson, Peterbilt general manager and PACCAR vice president. “Peterbilt’s Models 367 LNG and 386 LNG with the Westport GX engine provide this alternative, with an added bonus of reduced greenhouse gas emissions.”

Powered by the Westport GX engine, Peterbilt’s Models 386 LNG and 367 LNG offer up to 475 horsepower and 1,750 ft-lbs of torque. The 15-litre Westport GX engine uses high pressure direct injection, proprietary fuel injectors, (HPDI) fuel system, specialized cryogenic fuel tanks, and associated electronic components to facilitate robust performance and reliable operation. This technology uses a low cost, cleaner-burning fuel than diesel with no compromises on engine torque, power, fuel economy, or driveability, in addition to reducing greenhouse gas emissions by 25%.

“Peterbilt’s design focus is to provide a wide profile of high performing, fuel efficient products for our customers,” said Landon Sproull, Peterbilt chief engineer. “Natural gas power systems complement our other products such as lightweight aerodynamic conventionals, medium-duty hybrid electrics, and idle reduction systems, all of which exceed customer expectations and requirements.”

Peterbilt continues to offer a full range of compressed natural gas (CNG) and liquefied natural gas (LNG) power platforms in the Models 384, 365 and 320, which are equipped with the Cummins Westport ISL-G engine. Efficient and emissions compliant, the ISL-G natural gas engine offers a 320 horsepower rating and 1,000 ft-lbs of torque, making it an excellent choice for short-haul, regional, refuse and dump trucks with GCW/GVW rated up to 66,000 lbs.

Peterbilt’s family of alternative fuel trucks forms the industry’s most comprehensive, high performing, fuel efficient, and environmentally responsible lineup.

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Source: Peterbilt, March 31, 2011;