Freightliner Trucks
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Cummins Engines

Cummins designs, manufactures and supports every component in their engines, making for an integrated, optimized system that delivers top performance and reliability. You get your choice of diesel or natural gas fuel, with horsepower ranges from 200 to 600 HP to handle any application: on-highway, pickup and delivery, construction and more.

 

Equipped to Take on Any Job

Every Cummins engine is built using the following features:

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  • Near-Zero Emissions from the integrated aftertreatment system combining cooled EGR with proven Selective Catalytic Reduction (SCR) technology
  • The Cummins VGT Turbocharger — Electric actuation through a sliding-nozzle design means you can adjust the turbo to deliver precisely the boost you need to respond to variable engine loads
  • Low Operating Cost through reduced maintenance and long service intervals
  • Cooled EGR (Exhaust Gas Recirculation) — next-generation system that lowers combustion temperatures, reducing emissions and optimizing fuel economy
  • Cummins Aftertreatment System — By minimizing particulate matter, it meets emissions requirements while maintaining high performance, reliability and durability
 

  Cummins ISB6.7 Engine

Cummins ISB6.7 Engine

Big Results for Every Job

With a Cummins ISB6.7 engine at the core of your medium-duty business, you get our most flexible engine option, delivering a low cost of operation with maximum uptime for your business. It’s available at 200–325 HP and 520–750 lb/ft. With the HPCR (High Pressure Common Rail) fuel system, flexible injection timing allows multiple injections per cycle, maximizing fuel economy and performance while decreasing noise and exhaust emissions.

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  Cummins ISL9 Engine

Cummins ISL9 Engine

Better Total Value Package for Every Mile

With one of the highest power-to-weight ratios in its class—and heavy-duty features like replaceable wet liners, XPI fuel system and an improved Electronic Control Module (ECM) along with enhanced airflow—the Cummins ISL9 Engine gives you the high-level performance and reliability you need to handle every load for every hour you’re on the road.

  • Heavy-Duty Design — Rugged features like roller followers, bypass oil filtration and targeted piston cooling means this engine works harder in even the toughest work environments
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  Cummins ISL G Engine

Cummins ISL G Engine

Natural Gas Engine Efficiency

Combining all the advantages of clean-burning natural gas with “no compromise” power and torque, the Cummins ISL G engine delivers lower emissions, improved performance and lower costs, making it the environmentally friendly solution for vocational, medium- and heavy-duty truck and tractor applications.

  • Advanced Combustion Technology — uses stoichiometric-cooled Exhaust Gas Recirculation (SEGR) combustion and proven EGR technology to create a high-performance natural gas engine
  • 30% more efficient idle and 5% better fuel economy than previous natural gas engines
  • Maintenance-Free Aftertreatment — SEGR combustion creates oxygen-free exhaust
  • Three-Way Catalyst (TWC) aftertreatment — effective, simple passive devices packaged as part of the muffler to provide a maintenance-free, consistent performance
  • Operates on compressed or liquefied natural gas (CNG, LNG)
  • 100% biomethane compatible — carbon-dioxide neutral fuel that reduces greenhouse gas emissions by up to 90%
  • Factory-installed and designed specifically for natural gas, it has simple parts and many other money and environment-saving features
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  Cummins ISX12 Engine

Cummins ISX12 Engine

Up to 425 Horsepower

Cummins ISX12 combines the strength and reliability of proven technology from the ISX15 with a high power-to-weight ratio and over 800 lb/ft of clutch engagement torque. The ISX12 is ideal in operations calling for a compact, heavy-duty engine.

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  Cummins ISX12 G Engine

Cummins ISX12 G Engine

The Game Changer

The ISX12 G suits a variety of heavy-duty vehicles, including regional-haul truck/tractor. With a displacement of 11.9 liters and up to 400 HP and 1450 lb/ft of torque, the ISX12 G is the natural choice when considering natural gas for demanding applications.

  • Advanced Combustion Technology — uses stoichiometric-cooled Exhaust Gas Recirculation (SEGR) combustion and proven EGR technology to create a high-performance natural gas engine
  • Maintenance-Free Aftertreatment — SEGR combustion creates oxygen-free exhaust
  • Three-Way Catalyst (TWC) Aftertreatment — effective, simple passive devices packaged as part of the muffler to provide a maintenance-free, consistent performance
  • Operates on compressed or liquefied natural gas (CNG, LNG)
  • 100% biomethane compatible — Bycarbon-dioxide neutral fuel that reduces greenhouse gas emissions by up to 90%
  • Factory-installed and designed specifically for natural gas, it has simple parts and many other money and environment-saving features
View the brochure
 

  Cummins ISX15 Engine

Cummins ISX15 engine

Up to 600 Horsepower

Every integrated element has been designed and manufactured to deliver the reliability and durability you’ve come to count on from Cummins.

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  • Models
  • ISB6.7
  • ISL9
  • ISL G
  • ISX12
  • ISX12 G
  • ISX15