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Dongfeng Cummins B6.2NS6B230 bus garbage trucks Diesel Engine

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  • B6.2NS6B230

  • Cummins

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Product Description: Cummins B6.2NS6B230 Diesel Engine

Dependable Power Meets Modern Efficiency for Diverse Demands
The Cummins B6.2NS6B230 is a technologically advanced, 6-cylinder diesel engine designed to deliver a robust blend of power, reliability, and superior fuel economy for a wide range of commercial vehicles. This engine is engineered for operators who demand high performance coupled with compliance to stringent emission standards. With its intelligent design and proven B-Series platform, it provides the perfect balance of strong low-end torque for demanding job sites and efficient operation for cost-sensitive transport applications.


Technical Specifications at a Glance

Feature Specification
Engine Model Cummins B6.2NS6B230
Configuration In-line 6 cylinders, 4-Stroke
Displacement 6.2 L
Rated Power 169 kW / 230 HP @ 2300 rpm
Peak Torque 950 N·m @ 1200-1700 rpm
Aspiration Turbocharged and Intercooled
Emission Standard China National Standard Stage VI (Euro VI Equivalent)
Aftertreatment SCR (Selective Catalytic Reduction)
Dry Weight Approximately 510 kg

Primary Equipment Applications

The versatility and power of the B6.2NS6B230 make it an ideal prime mover for various medium-duty commercial and specialized vehicles, including:

  • Commercial Buses: Engineered for urban and intercity buses, providing smooth and reliable power for passenger transport.

  • Specialized Trucks & Vocational Vehicles: Commonly specified for:

    • Tow Trucks: Powers models like the XCMG QZP0812ABD6, delivering the necessary torque for recovery and transport operations.

    • Emergency & Rescue Vehicles: Used in mobile lighting trucks and high-flow drainage rescue vehicles, where dependable auxiliary and traction power is critical.

    • General Cargo Trucks: A reliable power option for medium-duty truck platforms like the Dongfeng Duolika D9, suited for regional distribution and logistics.

Core Technologies & Design Advantages

  1. Integrated Turbocharger Design for Enhanced Efficiency: The engine features a unique integrated design of the turbocharger and turbine diffuser pipe. This innovation boosts intake efficiency and engine performance by 3-4%, directly translating to improved power output and superior fuel economy.

  2. Advanced Lightweight Architecture: Utilizing advanced materials and design, the B6.2NS6B230 achieves a remarkably low dry weight of approximately 510 kg. This significant weight reduction contributes directly to better vehicle fuel efficiency and increased payload capacity without compromising structural integrity.

  3. Optimized Thermal Management for Reliability: The engine incorporates an optimized cooling system designed to substantially reduce the thermal load on key components. This extends the service life of critical parts and ensures stable, reliable operation even under continuous high-load conditions.

  4. Low-Speed Torque & Responsive Performance: Engineered to produce a high peak torque of 950 N·m at a low rpm range (1200-1700 rpm), it offers exceptional transient response and pulling power. This makes vehicles more agile during acceleration and significantly eases climbing gradients, enhancing overall driving performance.

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