Kenworth News

Kenworth Power Management System Expands Auto Start and Stop Features, Adds More Powerful Bunk Heater

The industry-leading Kenworth power management system, which is available on the flagship T680 and T880 models, has taken another step in performance by adding cab temperature monitoring to its Auto Start and Stop capability. Kenworth also will offer the Espar Airtronic D4 fuel-fired bunk heater, which produces nearly double the BTUs of Espar’s previous generation heater.

Kenworth T680 76-inch Sleeper

“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.”

Kenworth T880 52-inch Mid-Roof Sleeper

The Kenworth power management system’s core purpose is to keep the truck up and running, even in the coldest of temperatures. “The Engine Auto Start and Stop system monitors the starting batteries, as well as batteries used to power hotel loads,” Baney said. “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 fall below pre-determined level. This helps prevent fuel from gelling.”


Espar Airtronic D4

Drivers will benefit from the system’s ability to now monitor cab temperature. If the truck is not outfitted with the Kenworth Idle Management System or another APU, as the outside temperature rises, the system will start the main engine to support cab and sleeper air conditioning needs. A sleeper heater, such as the Espar Airtronic D4, is used to provide heat in cold climates, while also minimizing fuel usage.

The Kenworth Driver Performance Center on the Kenworth T680 and T880 provides the driver with real-time information on the battery state of charge. “This is very useful when the engine comes on for recharging – the driver can monitor the progress of battery re-charging,” said Baney. “If drivers need only an hour or two more power before leaving to deliver a load, they can shut down the system early and use the battery power – then recharge the battery banks while on the road.”

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