Eaton announces new Endurant automated manual transmission | TRANSPORT NEWS

The joint venture between Eaton Group and Cummins Inc. was the focus of the Cummins exhibit at the North American Commercial Vehicle Show in Atlanta, offering a glimpse into their diversity of the X12 and X15 when paired with the Eaton Cummins Automated Transmission Technologies all-new Endurant transmission.

Endurant is the first automated heavy-duty transmission to be introduced as part of the newly formed joint venture between Eaton and Cummins. This 12-speed automated transmission is claimed by Eaton to be the lightest, most efficient 2508 Nm (1,850 lb.-ft.) capable heavy-duty transmission. Designed for linehaul applications where weight savings and efficiency can add to a fleet’s bottom line, the Endurant is more than 45 kg lighter than other competing transmissions and 90 kg lighter than the current Fuller Advantage Series transmission.

“It is important to note that Endurant is not an automated variant that has been adapted from a manual transmission,” said Gerard DeVito, vice president, Technology, Eaton Vehicle Group.

“Endurant was designed, engineered and created from a clean sheet to be an automated transmission, not simply an update to an AMT, allowing us to optimize the transmission’s weight, dimensions and features.”

The making of Endurant included valuable input from specially formed Customer Councils, Driver Councils and Service Councils – a diverse list of fleet customers in various locations with different wants and needs in a transmission. These groups helped identify features that are most important and useful to best accomplish their day-to-day jobs.

Reliability is key for linehaul fleets, so an extensive component and complete vehicle testing program put Endurant through extreme conditions at the Eaton Proving Grounds in Marshall, MI, in the high-heat of Death Valley, CA, and minus 40-degree temperatures in northern Minnesota. This grueling testing regimen resulted in more than two million equivalent field test miles.

More than 100 years of Eaton transmission experience has resulted in a host of Endurant features and benefits, including internal electrical system routing that minimizes exposure and corrosion to wires and connectors for improved reliability with a new smart prognostics feature provides clutch replacement notification to better plan maintenance scheduling. An industry-exclusive transmission fluid pressure sensor notifies drivers of low oil levels to provide burn-up warranty coverage.

Smooth and intuitive shift strategies enhance the operator’s driving experience while predictive shifting using look-ahead technology to execute shift decisions  improves fuel efficiency and provides additional driver comfort. The casing features a standard, 8-bolt PTO opening.

“With the lowest cruise RPM among competitive automated transmissions and the best overall ratios, Endurant is ideally engineered to fully support the growing move to downspeeding to help save fuel,” added DeVito.

“Among linehaul transmissions, Endurant has the deepest reverse ratio in the industry for slow speed maneuvering.”

Addressing costly and time-consuming maintenance requirements was taken into account when designing Endurant to further deliver in a key area amongst customers. These include 1.2 million km lube change intervals for linehaul applications, which is the industry’s longest and 400,000- 725,000 km longer than competitive models resulting in reduced downtime and maintenance costs.

A maintenance-free 430mm self-adjust clutch equires no grease and the Endurant requires only 7.5 litres of oil, about half the amount of competitive models.

A replaceable input shaft sleeve allows for affordable and quick repair, while competitive transmissions require a costly and time-consuming full teardown.

Like all automated transmissions from the Eaton Cummins joint venture, Endurant is available with IntelliConnect™, a telematics capable system that provides near real-time monitoring of vehicle fault codes, prioritizes the critical events and provides accurate and comprehensive action plans by technical experts at Eaton.

The primary objective of IntelliConnect is to increase a fleet’s uptime by reducing unplanned downtime and providing quicker repair diagnostics through remote communication with a vehicle’s transmission.

Endurant will be paired with the Cummins X15 Efficiency Series engine beginning in October for Peterbilt and Kenworth trucks. The standard Endurant transmission warranty is 5-year/1,200,000 km for linehaul commercial vehicles, and 3-year/563,000 km for the clutch. One-year and two-year extended protection plans are also available. Endurant’s maximum operating weight (GCVW) is 49,895 kg, the maximum horsepower is 510 HP (375 KW), and oil capacity is 7.5L.

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