Kenworth Shows off Electric Trucks

Currently, Kenworth offers the Class 6/7 K270 and K370 medium-duty trucks in a battery-electric configuration, as well as its Class 8 T680E, which was just coming off of its public debut at the CES electronics show. Kenworth is also operating 10 fuel-cell-electric trucks developed with Toyota in California port operations.

The 26,000-square-foot center with its five-truck-bay lab “allows us to bring our products in and engage and show these tech start-up companies what it is we make,” said Stephan Olsen, general manager of the Paccar Innovation Center. He noted there are more than 100 automotive labs in the immediate vicinity. “We get out face to face, meet with these people in person and discover the technologies that bring value to our products,” he said.

California is where the biggest push to electrify transportation is coming from. By 2024, the state will require OEMS to ensure 9% of truck and 5% of tractor sales are of the zero-emission variety, with that jumping to 20% of trucks and 15% of tractors by 2027.

Kenworth is seeing other regions follow suit. But Joe Adams, Kenworth chief engineer, said it’s not just government pushing the move to electrify. Corporations are also seeing it as an opportunity to promote their environmental achievements.

“So many companies have come to us and said they’re interested in knowing what we do to reduce emissions and how we can help them with zero-emissions technology,” Adams told a group of trucking editors.

With electric trucks gaining real-world mileage, Adams said total cost of ownership benefits are becoming clearer. Fuel cost savings amount to about 50% versus diesel, with maintenance costs decreasing by about 30%.

“There’s just fewer moving parts,” Adams said of the maintenance savings. “It’s simplified over an internal combustion engine.”

But financial incentives are still required for fleets to justify the higher up-front acquisition costs. Adams said Kenworth has hired grant writers who work with customers – including in Canada – to learn what incentives are available, and how to access them.

More About Kenworth’s Electric Trucks

The T680E, with an e-axle design, has a 150-mile range and can produce about 536 hp/1,623 lb.-ft. torque. The motors are mounted on the drive axles and the batteries along the frame rails. The engine compartment is now occupied by electric accessories, pumps for the various coolants and lubricants required, and software.

The batteries add about 7,000 pounds of weight to the truck, so it’s a not a great fit for weight-sensitive truckers, Adams acknowledged.

The K270 E and K370 E provide a range of 100 to 200 miles, depending on configuration, making them ideal for urban P&D-type applications, the company says. They can be had with a 141 kWh or 282 kWh battery pack, which would dictate the range. These trucks put out 469 hp/2,540 lb.-ft. of torque and are available in three wheelbase configurations.

Kenworth also has a group that works with fleets to assess their site and determine the appropriate charging infrastructure requirements.

The fuel-cell-electric T680 is expected to get 300 to 500 miles of range and can fuel in 15 minutes, similar to diesel. Battery-electric trucks, by contrast, will take one to 16 hours to charge, depending on the capability of the charger.

Adams said a hydrogen fueling network will need to be established, but he believes private corporations will be eager to develop one, due to the fast fueling times associated with hydrogen and increased opportunity to profit based on greater throughput than electric charging.

Kenworth’s current hydrogen trucks produce 560 hp, house a 12-kW battery pack to aid in propulsion and take pressure off the fuel cells, and hold up to 60 kg of hydrogen.

James Menzies is editor of Today's Trucking, has been covering the Canadian trucking industry for more than 18 years and holds a CDL. This article is a version of one that appears on www.trucknews.com and is used with permission.