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Cummins B5.9 Engine – Reliable Power for Industrial and Marine Applications
Cummins B5.9 Engine – Reliable Power for Industrial, Marine, and Construction Applications
Product Overview
The Cummins B5.9 engine is one of the most trusted and widely used mid-range diesel engines in the world. Known for its durability, fuel efficiency, and strong performance, the B5.9 has become the benchmark for reliability in industrial equipment, construction machinery, generators, trucks, and marine vessels.
With a 6-cylinder, 5.9-liter displacement, this turbocharged diesel engine is engineered to deliver consistent power while maintaining excellent fuel economy and lower operating costs. Whether used in heavy-duty machines or as a repowered solution, the Cummins B5.9 ensures outstanding performance across diverse applications.
Key Features & Specifications
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Engine Type: 6-cylinder, inline, turbocharged diesel
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Displacement: 5.9 liters
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Horsepower Range: 120 – 215 HP (depending on configuration)
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Torque Output: Up to 600 Nm
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Fuel System: Direct injection for improved efficiency
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Cooling System: Water-cooled design for optimal temperature control
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Reliability: Proven design with long service life and low maintenance requirements
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Compliance: Available in various emission standards (Tier 1 to Tier 3, depending on model)
Applications
The Cummins B5.9 engine is designed for a wide range of applications, including:
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Construction Equipment – Excavators, loaders, bulldozers, and cranes
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Industrial Machinery – Compressors, pumps, drilling rigs, and material handling equipment
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Agriculture – Tractors, harvesters, and irrigation systems
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Marine Use – Fishing boats, transport vessels, and workboats
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Power Generation – Diesel generator sets for standby or continuous operation
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On-road & Off-road Vehicles – Medium-duty trucks and specialized vehicles
Advantages of Cummins B5.9 Engine
✅ Proven Reliability – Trusted by global OEMs and operators for decades
✅ High Fuel Efficiency – Optimized combustion reduces fuel costs
✅ Long Service Life – Durable components extend operating hours before overhaul
✅ Easy Maintenance – Widely available spare parts and service support worldwide
✅ Versatile Power – Suitable for multiple industries and operating environments
Why Choose Us?
We provide genuine Cummins B5.9 engines, parts, and rebuild kits to meet your project needs. Our engines are tested, certified, and ready for installation. Whether you need a new, used, or remanufactured Cummins B5.9, we can supply with fast delivery and professional support.
👉 Contact us today for a Cummins B5.9 engine price quote or to request technical specifications tailored to your application.

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