Kenworth Offers Several New Options for T680 and T880

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Heavy Duty Trucking  /  October 10, 2016

Kenworth is offering a few new options for its heavy-duty trucks, including a new natural gas engine and bunk heater system fo the T680 and T880 and a FlowBelow AeroKit for the T680.

Kenworth will offer the Cummins Westport ISL G Near Zero NOx emissions natural gas engine on its T680 and T880 model. The engine produces emissions that are 90% lower than the current NOx limit of 0.2 gram per brake horsepower-hour and it meets the 2017 EPA greenhouse gas emission reduction requirements.

The 8.9-liter Cummins Westport ISL G Near Zero comes with ratings up to 320 horsepower and 1,000 lb-ft. of torque. The engine can operate on 100% natural gas, which can be carried on the vehicle in either compressed natural gas or liquefied natural gas form. The ISL G Near Zero is also compatible with renewable natural gas, which allows for even further reductions in GHG emissions.

“The Kenworth T680 and T880 equipped with the ISL G Near Zero emissions engine is well suited for regional haul, vocational and refuse fleets focused on the reduced environmental impact of natural gas use and reducing their operating costs,” said Jason Skoog, Kenworth assistant general manager for sales and marketing.

Kenworth is also adding cab temperature monitoring for the T680 and T880 with its Auto Start and Stop Capability and an optional Espar Airtronic D4 fuel-fired bunk heater. The Espar bunk heater produces nearly double the BTUs of Espar’s previous generation heater.

“For operators who run in cold temperatures, or shut down for a 34-hour reset, our new offerings give a one-two punch in vehicle performance and driver comfort,” said Kevin Baney, Kenworth chief engineer. “We’ve built our power management system into what we feel is the most comprehensive system in the market. And, for engine-off, constant heat in the sleeper, the new Espar Airtronic D4 heater has a BTU rating up to 13,650, and is available for the Kenworth T680 and T880 specified with either the 76-inch or 52-inch sleepers.”

The Engine Auto Start and Stop system monitors the starting batteries and batteries used to power hotel loads. When the batteries need to be recharged, the system starts the engine to begin battery charging. The system also monitors oil temperature, starting the engine when the temperature falls below a pre-determined level.

Additionally, Kenworth and FlowBelow have partnered to develop the FlowBelow Tractor AeroKit as an option on the T680.

The kit consists of an AeroKit fairing fitted to each side of the truck between the Kenworth T680’s tandem axles along with a fairing directly behind the rear drive axle. The fairings are constructed of a durable and flexible thermoplastic polyolefin. The system also uses quick-release aerodynamic wheel covers that are designed to reduce turbulence within the wheel itself.

“The tandem axle fairing and wheel cover combination enhances the T680’s superior aerodynamics by keeping airflow moving even more efficiently around the end of the tractor and onto the trailer, especially when the trailer is outfitted with its own side fairings, and reduces drag and turbulence around the tractor’s rear wheels,” said Kenworth's Baney. “This option offers our T680 customers an additional option to help optimize fuel economy.”

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Kenworth T680 and T880 Add Cummins Westport ISL G Near Zero Emissions Natural Gas Engine

Kenworth Truck Company Press Release  /  October 1, 2016

Kenworth will offer the Cummins Westport ISL G Near Zero NOx emissions natural gas engine as an option in its model T680 and T880 trucks.

Emissions from the ISL G Near Zero natural gas engine are 90 percent lower than the current NOx limit of 0.2 gram per brake horsepower-hour, and meet the 2017 EPA greenhouse gas emission reduction requirements. The new engine achieves this reduction through the introduction of advanced engine calibration, a unique maintenance-free, three-way catalyst after-treatment system, and a closed crankcase ventilation system.

“The Kenworth T680 and T880 equipped with the ISL G Near Zero emissions engine is well suited for regional haul, vocational and refuse fleets focused the reduced environmental impact of natural gas use and reducing their operating costs,” said Jason Skoog, Kenworth assistant general manager for sales and marketing.

The 8.9-liter Cummins Westport ISL G Near Zero comes with ratings up to 320 hp and 1,000 lb-ft of torque. The engine can operate on 100 percent natural gas, which can be carried on the vehicle in either compressed natural gas (CNG) or liquefied natural gas (LNG) form. The new ISL G Near Zero is also compatible with renewable natural gas (RNG) which allows for even further reductions in GHG emissions.

The new engine will become available in the Kenworth T680 and T880 in early 2017.

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