Komatsu’s new technology engines

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New technology engines

 

Technologies introduced in these new engines include:

  • A heavy-duty after-treatment system
  • An advanced Electronic Control System
  • A heavy-duty cooled Exhaust Gas Recirculation (EGR) system
  • A Komatsu Variable Geometry Turbocharger (KVGT) system
  • Heavy-duty High-Pressure Common Rail (HPCR) fuel injection system
  • Upgraded KOMTRAX Step 5 remote monitoring technology

 
Heavy-duty after-treatment system:
This new system combines a Komatsu Diesel Particulate Filter (KDPF) and Selective Catalytic Reduction (SCR), which injects the correct amount of Diesel Exhaust Fluid (DEF) at the required rate, thereby decomposing NOx into non-toxic water vapor (H2O) and nitrogen gas (N2).


Heavy-duty cooled exhaust gas recirculation (EGR) system:
The EGR system in Komatsu’s new technology engines recirculates a portion of exhaust gas into the air intake and lowers combustion temperatures, thereby reducing NOx emissions.


EGR gas flow has also been decreased on our new technology engines through the addition of SCR technology, dramatically reducing NOx, while helping cut fuel consumption below levels on previous-generation machines.


Advanced electronic control system:
The electronic control system on Komatsu’s new technology engines performs high-speed processing of all signals from sensors installed in the machine, providing total control of all components.


Engine condition information is displayed on the monitor inside the cab, providing all necessary information to the operator, as well as being uploaded to KOMTRAX for ongoing monitoring by machine owners and fleet managers.


Komatsu variable geometry turbocharger (KVGT) system:
The KVGT system incorporates proven Komatsu design hydraulic technology for variable control of air-flow, supplying the optimum amount of air according to load conditions. This upgraded version also provides better exhaust temperature management.


Heavy-duty high-pressure common rail (HPCR) fuel injection system:
Designed to achieve an optimal injection of high-pressure fuel digitally, this system ensures near complete combustion, significantly reducing PM emissions.


In addition all Komatsu’s new technology engines incorporate mode selection systems that help best match engine, hydraulics and/or transmission output to different applications – further contributing to lower fuel consumption and improved operating efficiency.


Komtrax Step 5 technology and our new technology engines:
Komatsu’s latest Komtrax Step 5 telematics-based remote monitoring system on our new technology engine-powered machines gives owners and fleet managers unprecedented visibility and up-to-date operating data on their equipment.


It’s the most sophisticated version of Komtrax to date, designed to provide equipment managers with data that increases their peace of mind, knowing that the advanced technologies incorporated in today’s equipment are working reliably to deliver operational efficiencies.


Komtrax Step 5 technology has been developed to ensure that key operational criteria of these engines engines are all working correctly, delivering data reporting on:

  • Komatsu Diesel Particulates Filter (KDPF) soot count
  • Active KDPF soot removal regeneration time and fuel used
  • Any KDPF cautions
  • Diesel Exhaust Fluid levels.

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