School bus engines

With the Cummins diesel-powered B6.7, L9, or natural gas-powered B6.7N and L9N, you can’t go wrong with your first pick when it comes to providing a highly reliable, clean emissions power source.

School bus driver helping kids getting off bus
Consult the teacher’s assistant with connected diagnostics

School bus drivers have enough to pay attention to without being concerned about engine fault codes. In the rare event that one is triggered while the bus is in operation, it can be diagnosed immediately over the air, through the addition of Connected Diagnostics. Cummins Connected Diagnostics delivers real-time engine fault code analysis, with a probable diagnosis and a recommended action for school buses that are equipped with telematics.

Cummins employee working on repair
The valedictorian of coverage

Cummins engines feature the most comprehensive base warranty in the industry, and our extended coverage plans with up to 10 years of coverage is evidence of our complete confidence in their robust design and quality manufacturing.

Cummins customer service worker happy at work
Class-leading support

Cummins-powered buses are backed by the largest and most capable parts and service network in North America, with over 3,500 locations. Our authorized service technicians are fully trained on all of our engines and have the necessary equipment and Genuine Cummins Parts to promptly handle any type of service issue. The advantages of Connected Diagnostics add peace of mind for school bus fleets. Call 1-800-CUMMINS™ (1-800-286-6467) for information and service locations.

Helpful publications

DPF Maintenance For Your School Bus White Paper: The DPF Best Practices White Paper provides a mix of general and technical tips to prolong your DPF life and reduce the frequency of regeneration events. With helpful information regarding route types, electronic engine and feature settings, and details on the benefits of the DPF Exchange program and Aftertreatment Extended Coverage, following the guide is the first step in helping eliminate DPF Aftertreatment issues.

DPF Best Practices: In conjunction with the Best Practices White Paper, the DPF Check List provides a hands-on guide to document and measure the settings outlined in the Best Practices White Paper. The reverse side of the Check List provides additional information on how to use the check list effectively.

All engines are built in either Columbus, Indiana or the Rocky Mount, North Carolina engine plants, are Buy-America compliant, and meet or surpass the 2017 U.S. Environmental Protection Agency (EPA) regulations and greenhouse gas (GHG) emissions standards.

 


 

 

School Bus Engines

Intro

Cummins offers the reliability and durability operators expect.

Units

Power

260 - 360 hp

Power

194 - 268 kW

Torque

860 - 1150 lb-ft

Torque

1166 - 1559 N•m

Certification

EPA 2024

Power

250 - 320 hp

Power

186 - 239 kW

Torque

660 - 1000 lb-ft

Torque

895 - 1356 N•m

Certification

EPA 2018

Power

200 - 240 hp

Power

149 - 179 kW

Torque

520 - 560 lb-ft

Torque

705 - 759 N•m

Certification

EPA 2018

Power

260 - 350 hp

Power

194 - 261 kW

Torque

720 - 1000 lb-ft

Torque

976 - 1356 N•m

Power

200 - 240 hp

Power

149 - 179 kW

Torque

520 - 560 lb-ft

Torque

705 - 759 N•m

Certification

EPA 2017

Power

200 - 300 hp

Power

149 - 224 kW

Certification

EPA 2017

Power

260 - 350 hp

Power

194 - 261 kW

Torque

720 - 1000 lb-ft

Torque

976 - 1356 N•m

Certification

EPA 2013

Power

250 - 320 hp

Power

186 - 239 kW

Torque

730 - 1000 lb-ft

Torque

990 - 1356 N•m

Certification

EPA 2013

Power

200 - 300 hp

Power

149 - 224 kW

Certification

EPA 2013

Power

200 - 275 hp

Power

149 - 205 kW

Torque

520 - 560 lb-ft

Torque

705 - 759 N•m

Certification

EPA 2013

Power

250 - 320 hp

Power

186 - 239 kW

Torque

730 - 1000 lb-ft

Torque

990 - 1356 N•m

Certification

EPA 2010

Power

260 - 300 hp

Power

194 - 224 kW

Torque

660 - 860 lb-ft

Torque

895 - 1166 N•m

Certification

EPA 2010

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