Cummins will expand its lineup of X15 diesel engines with two new additions to the family – a new X15 Efficiency Series engine and a new X15 Productivity Series diesel engine.
According to Cummins, the 2020 X15 Efficiency Series engine delivers up to 5% better fuel economy than the prior X15 Efficiency Series engine and is designed for increased uptime and improved driver satisfaction. It has a new maintenance schedule, including an oil-drain interval of up to 75,000 miles. An oil drain interval of up to 80,000 miles is available to customers using Valvoline Premium Blue 15W-40. For added value, customers participating in Cummins OilGuard program have the potential to increase to a 100,000-mile ODI. These extensions will decrease maintenance costs and improve vehicle uptime for customers, all while protecting their coverage under warranty should they need it, Cummins said.
“We are proud of the performance and reliability of the X15 engine platform,” said Brett Merritt, vice presidentt of Cummins' On-Highway Engine Business. “The new 2020 X15 Efficiency Series engine provides improved fuel economy and further reduces greenhouse gas emissions. That’s why we’re bringing our new X15 Efficiency Series engine and X15 Productivity Series offering to the market a year ahead of regulation requirements.”
Engine hardware enhancements to the Efficiency Series provide better air handling and lower friction, delivering up to 3.5% fuel economy improvements to the base engine offering, the manufacturer said. Lower oil consumption is expected with modified liner geometry in the power cylinder. Valve adjustments have been made for increased durability.
“Since the launch of the X15 platform in 2017, customers are hitting or exceeding fuel mileage targets and only performing preventative maintenance to the product. With a 2020 X15 Efficiency Series engine, customer benefits will only improve,” Merritt said.
The new EX ratings offered in the X15 Efficiency Series deliver expanded powertrain capabilities that can deliver up to an additional 1.5% fuel efficiency increase on top of the improvements gained through base engine hardware and feature enhancements, Cummins said. These ratings contain the full suite of powertrain features, including not only all prior ADEPT features, but new capabilities such as predictive gear shifting, predictive braking, on-ramp boost and dynamic power, delivering powertrain performance and driver satisfaction across an entire fleet. Powertrain features in the EX ratings are available exclusively with the X15 Efficiency Series engine when paired with the Endurant transmission from the Eaton Cummins Automated Transmission Technologies joint venture.
“The EX ratings represent the incredible gains that come from the integration of industry leading engine and transmission technologies. Customers, in one easy selection, receive an optimized powertrain already configured for the highest levels of efficiency and drivability. We were able to make these improvements without compromising the power drivers demand, which means everyone wins,” said Merritt.
The X15 Productivity Series ratings are designed for multi-purpose, vocational and heavy-haul customers who look not only for efficiency in their powertrain, but also response and performance needed to get the job done thanks to a wider engine speed range, according to Cummins.
The X15 Productivity Series now features six new ratings available in 2020, along with four former Performance Series ratings.
Cummins said the Productivity Series offering is comprised of two different engine hardware sets, common with either the 2020 X15 Efficiency Series or the X15 Performance Series. In 2020, Cummins will continue to offer the same X15 Performance Series engine with no changes. The 2020 X15 Performance Series consists of seven ratings, with four former Performance Series ratings moving to the Productivity Series offering.
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