The QSL9-300 engineering machinery engine has a displacement of 9.3 liters and adopts an inline six-cylinder design, which is powerful. At a speed of 2200rpm, it can burst out a maximum power of 300 horsepower (about 220kW) and a maximum output torque of up to 1187N・m. The exquisite design of the exhaust bypass valve greatly optimizes the low-speed performance of the engine. It can respond quickly when starting, climbing and heavy-load operations, providing a steady stream of strong power, easily coping with various complex working conditions, and greatly improving the working efficiency of engineering machinery.
▸ Power performance: 300 horsepower @ 2200rpm, peak torque 1200N·m @ 1400-1600rpm
▸ Fuel system: high-pressure common rail technology (injection pressure 1800bar) + intelligent electronic control module
▸ Emission standards: National VI/Euro VI dual certification, DOC+DPF+SCR post-treatment system
▸ Durable design: reinforced cast iron cylinder (B10 life exceeds 30,000 hours), 50℃ ambient temperature adaptation
▸ Applicable fields: excavators, loaders, mining equipment
Core advantages
• Fuel consumption optimization: intelligent combustion control technology reduces fuel consumption by 12%
• Convenient maintenance: modular design reduces daily maintenance time by 40%
• Intelligent interconnection: support remote fault diagnosis and OTA parameter upgrade
Good cold start performance
In response to the operating needs in cold areas, the QSL9-300 engine is specially equipped with an intake electric preheating setting and a 6.6KW high-power starter. This combination significantly improves the engine's starting performance in low-temperature environments and has successfully passed the rigorous testing of the extremely low-temperature environment of -36 degrees Celsius in Mohe, China's Arctic Village, ensuring that the equipment can start quickly and work normally in cold weather without fear of severe cold challenges.
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