Heavy-duty fleets looking to maximize fuel economy should look no further; the X15 Efficiency Series engine with the Endurant transmission is the right powertrain for the job.

2020 X15 FUEL ECONOMY IMPROVEMENTS*

*** All fuel economy improvements are up to the listed percentage over the 2017 model engine depending on spec, duty-cycle and optimization of powertrain.

*** 1.5% is from EX features with up to an additional 2.5% coming from predictive features being newly integrated with the Freightliner and X15 package

*** Additional features to be released that will not require changes to hardware.

ADDITIONAL 4% with Endurant, EX ratings (require Endurant and GPS data) and predictive capabilities**

ADDITIONAL 3.5% Additional future feature releases***

OPTIMIZED FOR EFFICIENCY.

WITH ENDURANT™

ALWAYS N.

TECHNOLOGY DRIVING DOWN TCO*.■ Up to 16%** increase in fuel economy by

replacing a 2013 Freightliner Cascadia with a new model featuring X15 with Endurant

■ 75,000 mile oil drain interval for light duty cycles with up to 100,000 mile oil drain interval using OilGuard™ program

■ 50% less transmission oil used than competitors with 750,000-mile interval

■ Longest DPF maintenance interval in its class at 600,000 – 800,000 miles

■ Reduced weight and complexity with the Single Module™ aftertreatment

■ Strongest engine brake in the industry lengthens life of service brakes

*All intervals and improvement data is up to the respective number.

** Increase calculated based on percentage increase of X15 with Endurant over 2013 Cummins ISX15 base engine.CUSTOMER FOCUSED.

The goal with Cummins X Series isn’t just maximum reliability – it’s also ensuring customers can achieve their objectives as efficiently as possible. The right combination of horsepower, torque, gearing and transmission allows customers to not only get the job done but also save fuel in the process.

2020 X15 Base Engine3.5%

Cummins Inc. Box 3005 Columbus, IN 47202-3005 U.S.A.

1-800-CUMMINS™ (1-800-286-6467) cummins.com

Printed in US. Rev. 12/19

©2020 Cummins Inc

■ Predictive Gear Shifting (PGS) looks at the grade and length of a hill climb ahead and determines the best gear selection for performance and fuel economy

EXPECTING THE ROAD AHEAD. Integrated Power features available exclusively with EX ratings

■ On-ramp Boost unleashes the engine’s full potential, allowing safer merging speeds when needed

■ Predictive Engine Braking scans the route ahead, identifying potential overspeed conditions, and automatically activates engine braking and downshift procedures

On-ramp merging interstate

VehicleSpeed

Merging traffic

Speed

On-ramp —>

Without On-ramp Boost

With On-ramp Boost

TerrainProfile

VehicleSpeed

BrakingPower

Baseline

Concept

Max Braking SpeedMax Braking Speed

Max Braking Speed

Elevation

Look ahead information

Gear Number

Vehicle Speed

Without PGS

With PGS

Cruise Set Speed

Top DropTime Saved

Max set speed deviation

Reduction in setspeed deviation

EX RATINGS X15 EX ratings* include additional powertrain features designed to provide improved fuel economy, drivability and powertrain performance for end users.

Sales Code Rating RPM Torque101-29C X15 400 EX HP 1700 1650 LB/FT @ 950 RPM101-29E X15 400 EX HP 1700 1750 LB/FT @ 950 RPM

101-3CC X15 400 EX HP 1700 1850 LB/FT @ 950 RPM

101-3CD X15 450 EX HP 1700 1750 LB/FT @ 950 RPM101-3CE X15 450 EX HP 1700 1850 LB/FT @ 950 RPM101-3CF X15 500 EX HP 1700 1850 LB/FT @ 950 RPM

* Require look ahead data enabled through in-cabin connectivity module

EFFICIENCY RATINGS Sales Code Rating RPM Torque101-28X X15 450 ST HP 1700 1450/1650 LB/FT @ 950 RPM101-28Y X15 450 ST HP 1700 1550/1750 LB/FT @ 950 RPM101-29A X15 450 ST HP 1700 1650/1850 LB/FT @ 950 RPM101-29B X15 450 HP 1700 1850 LB/FT @ 950 RPM101-29D X15 500 HP 1700 1650 LB/FT @ 950 RPM101-29F X15 400 ST HP 1700 1450/1650 LB/FT @ 950 RPM101-29G X15 400 ST HP 1700 1550/1750 LB-FT @ 950 RPM101-29H X15 450 HP 1700 1650 LB/FT @ 950 RPM101-29J X15 450 HP 1700 1750 LB/FT @ 950 RPM101-28W X15 500 HP 1700 1850 LB/FT @ 950 RPM101-29K X15 500 ST HP 1700 1650/1850 LB/FT @ 950 RPM101-3C4 X15 400 ST HP 1700 1650/1850 LB-FT @ 950 RPM

ENDURANT TRANSMISSIONSales Code

Series Name

342-619 EEO-14F112C Endurant Automated Manual Transmission

342-620 EEO-15F112C Endurant Automated Manual Transmission

342-621 EEO-16F112C Endurant Automated Manual Transmission

342-622 EEO-17F112C Endurant Automated Manual Transmission

342-623 EEO-18F112C Endurant Automated Manual Transmission

Download PowerSpec at cummins.com/powerspec

Cummins is not responsible for the accuracy of this information if printed. For the most updated content, please refer to the digital copy on freightliner.cummins.com

PRODUCTIVITY RATINGS Sales Code Rating RPM Torque101-3CG X15 430V HP 2000 1650 LB/FT @ 950 RPM101-3CH X15 470V HP 2000 1750 LB/FT @ 950 RPM101-3CJ X15 500V HP 2000 1850 LB/FT @ 950 RPM101-3CR X15 450V HP 2000 1650 LB/FT @ 950 RPM101-3CT X15 450V HP 2000 1750 LB/FT @ 950 RPM101-3CU X15 500V HP 2000 1650 LB/FT @ 950 RPM

An X15 Productivity Series engine spec’ed with these ratings comes on an X15 Efficiency hardware set