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Construction Diesel Engine Assembly QSB 6.7 for Excavator

After-sales Service Provided: Video technical support, Online support, Spare parts.
194KW @ 2200 RPM
Place of Origin: China
After-sales Service Provided: Overseas service center available.
Warranty: One year
  • QSB 6.7
  • DCEC
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For construction machinery enterprises, 2016 is the first year of the implementation of national three standards. Upgrading the emission standard of construction machinery from "national second" to "national third" not only speeds up the pace of green transformation of construction machinery products, but also promotes the transformation of construction machinery products to high-end in the long run.

The upgrading of "national second" to "national third" is not a simple emission standard upgrade, but also a complex product system upgrade. From the engine technology upgrade to the whole machine system matching, it reflects the advanced productivity everywhere. As a national high-tech enterprise, Dongfeng Cummins is the most representative in engine upgrading and reform. Among them, qsb4.5/6.7, as a star product, is even more popular. Today I'd like to introduce this engine to you

Engine features: ■ five key engine systems are developed and optimized by Cummins company to ensure engine reliability ■ high pressure common rail fuel system (HPCR), with injection pressure up to 1600bar, fast throttle response at different speeds, more efficient power output, better fuel economy and lower noise ■

Mature intelligent electronic control technology improves the overall performance of the engine, and the engine specifications can be customized according to the application requirements,

Stronger self diagnosis and self-protection ability ■ redesigning filtration system for oil products, strong fuel adaptability, suitable for application in various fields ■ strong environmental adaptability, good cold start performance ■ overall modular design, less total parts, low failure rate, compact structure, easy maintenance ■ Two stage dual fuel filter ensures a balanced level of particle dispersion, protects the main components of the fuel system, and maximizes engine life ■ new high-strength cylinder design, improves displacement, improves reliability, reduces noise, and prolongs service life ■ exhaust bypass turbocharger is adopted, which makes supercharging smoother at low speed, and power output more stable at high speed ■ The power output of the rear gear chamber is obvious.


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