Kenworth Truck Co. has delivered the first Kenworth truck powered by the new 400-hp. Cummins Westport ISX12 G natural gas engine.

A special ceremony was held on Tuesday at the Kenworth assembly plant in Renton, WA, for the vehicle, which was delivered to Oilfield Trucking Solutions (OTS). The vehicle is a T800 extended day cab model.

“Kenworth has a commitment to providing the best natural gas trucks to our customers. With the new 400-hp rating, the Cummins Westport ISX12 G engine helps to expand Kenworth’s natural gas truck offering to more fleets. We especially thank Chesapeake Oilfield Services and Oilfield Trucking Solutions for its strong support of Kenworth trucks,” said Preston Feight, Kenworth assistant general manager for sales and marketing.

OTS is based in Oklahoma City, OK, and is part of Chesapeake Oilfield Services (COS). Jerry Winchester, CEO of COS, drove the truck off the assembly line. 

“This first Kenworth truck equipped with the 400-hp ISX12 G engine represents an important initial step in a cutting-edge change in how the oil and natural gas production industry fuels its field servicing trucks. By operating this truck at Oilfield Trucking Solutions, we’re committed to being the industry’s best oilfield service provider,” Winchester said.

The Cummins Westport ISX12 G engine requires a single fuel source and can run on either CNG or LNG (liquefied natural gas). Kenworth offers the ISX12 G for the T800 short hood with a 116.5-in. BBC and T660. Oilfield Trucking Solutions’ T800 short hood is equipped with two side-mounted Type 4 CNG cylinder tanks for a range of 450 mi.