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Dongfanghong LR4A Series Diesel Engine

Product Advantages & Features

Engine Block Structure: Reinforced engine block, integrated high-strength cylinder head, and two-stage balance design, ensuring high reliability and low vibration.

Low-Pressure Fuel System: 500-hour long-life engine fuel filter extends maintenance intervals and reduces maintenance costs.

Electronic Control System: BOSCH intelligent ECU control system enables remote data monitoring and fault diagnosis, ensuring worry-free operation.

Fuel System: Equipped with BOSCH high-pressure common rail system, delivering excellent fuel economy and powerful performance.

Lubrication & Cooling System: Increased oil pump flow rate guarantees bearing shells lubrication and piston cooling; built-in engine cooling structure achieves high thermal efficiency and superior heat dissipation.

Economic Efficiency: Equipped with a four-speed multi-mode switch, the engine selects the appropriate power output curve according to different operating conditions, thereby reducing the overall fuel consumption of the vehicle.

Comfort: Adopts two-axis balance technology, which reduces overall engine vibration and noise and enhances engine comfort.

Multiple Power Output Interfaces: Meets various power output requirements and facilitates the layout of the main engine structure.

After-Treatment System: Adopts the EGR+DOC+DPF technical route with a modular design, minimizing changes during overall engine upgrades and ensuring excellent continuity; equipped with Bosch in-line after-treatment device (vertical installation), which simplifies overall engine layout and subsequent maintenance while guaranteeing reliability.

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