Carrier Transicold has released upgrades in its new generation of ComfortPro diesel-powered auxiliary power units (APUs) from Carrier Transicold.

The latest generation of ComfortPro diesel-powered auxiliary power units (APUs) from Carrier Transicold includes upgrades that improve reliability, reduce maintenance and double the length of the service interval.

Among the latest enhancements are a new automotive-style multi-V drive belt and a tensioner that automatically adjusts the belt to help maintain full voltage output of the generator when the APU is running. This eliminates manual belt tensioning, as periodically required with earlier models. Also, the system now uses high-performance CK-4 heavy-duty engine oil, enabling the maintenance interval to be extended from 1,000 to 2,000 hours.

All together, the company says that the upgrades will double the length of the service interval.

“Backed by Carrier Transicold’s extensive dealer network, ComfortPro diesel APUs offer the trucking industry the most well-rounded suite of performance and features,” said Ryan Rubly, product manager for alternative power with Carrier Transicold. “When Carrier Transicold acquired the ComfortPro line last year, one of our top priorities was engaging our engineers to improve the APUs based on feedback from our dealers and customers. These latest design revisions significantly advance the product in terms of service ease.”