Cummins L9: Difference between revisions

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The Cummins L9 features enhanced on-board diagnostics (OBD) that ensure emissions stay within the EPA limits as well as enhanced electronic controls. Cummins has also added a particulate matter sensor. The engine meets EPA 2016 and GHG 2017 regulations. It boats a 15 percent improvement in fuel economy over the 2007 ISL.<ref name=brochure /> Engine electronic controls and optimized combustion formula help achieve Euro 6 Phase-C compliance.<ref>“CUMMINS BRING EURO 6 SMART EFFICIENCY TO FIAA SHOW.” Press release. Cummins, 23 May 2017.</ref> Further electronics refinement allowed the L9 to meet the more stringent Euro 6 Phase-D regulations in 2019. Phased-D required reduced Oxides of Nitrogen (NOx) emissions during lower speed city operations, as well as under cold engine start conditions. Real-world, on-road testing was also required during testing.<ref>[https://www.cummins.com/news/releases/2019/06/07/cummins-takes-euro-vi-step-ahead-phase-d-certified-diesels “Cummins Takes a Euro VI Step Ahead with Phase-D Certified Diesels.”] Press release. Cummins, 07 June 2019.</ref>
The Cummins L9 features enhanced on-board diagnostics (OBD) that ensure emissions stay within the EPA limits as well as enhanced electronic controls. Cummins has also added a particulate matter sensor. The engine meets EPA 2016 and GHG 2017 regulations. It boats a 15 percent improvement in fuel economy over the 2007 ISL.<ref name=brochure /> Engine electronic controls and optimized combustion formula help achieve Euro 6 Phase-C compliance.<ref>“CUMMINS BRING EURO 6 SMART EFFICIENCY TO FIAA SHOW.” Press release. Cummins, 23 May 2017.</ref> Further electronics refinement allowed the L9 to meet the more stringent Euro 6 Phase-D regulations in 2019. Phased-D required reduced Oxides of Nitrogen (NOx) emissions during lower speed city operations, as well as under cold engine start conditions. Real-world, on-road testing was also required during testing.<ref>[https://www.cummins.com/news/releases/2019/06/07/cummins-takes-euro-vi-step-ahead-phase-d-certified-diesels “Cummins Takes a Euro VI Step Ahead with Phase-D Certified Diesels.”] Press release. Cummins, 07 June 2019.</ref>
==Models for Transit Bus==
{| border="1" cellspacing="0" cellpadding="2" class=sortable
!Model
!Max. power
!Max. revs
!Max. torque
!Emmissions certifications
|- align="center"
|L9 280
|280hp
|2200 rpm
|900 lb-ft @ 1300 rpm
| EPA 2017
|- align="center"
|L9 330
|330hp
|2200 rpm
|1100 lb-ft @ 1400 rpm
|EPA 2017
|- align="center"
|L9 330H
|Up to 330 hp
|2200 rpm
|Up to 1100 lb-ft @ 1000 rpm
|EPA 2017
|}


==References==
==References==
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