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Genuine Cummins B5.9-150G Gas Engine: The 110kW/150HP Powerhouse for Commercial Vehicles
Finding a reliable DCEC Cummins B5.9-150G supplier is critical for fleet operators and industrial manufacturers. At HekoPower, we specialize in providing the original Cummins B5.9-150G gas engine, a 6-cylinder, 5.9L turbocharged powerhouse engineered specifically for efficiency and durability. Whether you are looking for a wholesale Cummins B5.9-150G 112kW 150HP engine or a single unit for vehicle replacement, we ensure every engine meets strict Euro II emission standards.
Tech Specs of Cummins B5.9-150G
General Engine Data
Engine Model: Cummins B5.9-150G
Type: 6 Cylinders in Line
Displacement: 5.9 L
Bore * Stroke: 102 * 120
Net Weight (with flywheel & alternator): 413 Kg
Overall Dimension: 1026mm*699mm*912mm
Key Performance Data
Rated Power: 112 kW/150 HP
Rated Speed: 2500 rpm
Max Torque/Speed: 508 N.m @ 1500 rpm
Fuel Consumption @ Rated Power: 232 g/Kw.h
Torque/rated Speed: 427 N.m @ 2500 rpm
Torque Available @ Clutch Engagement: 386 N.m
Max. Altitude for Continuous Opera: 2700 m
More Technical Data
Certification: Euro II
Aspiration: Turbocharged & Air-Air Intercooled
Fuel System: Cummins Fuel System
Compression Radio: 10.5:1
Starting System: Electrical Starting Motor 24V(510A)
Lowest Starting Temp Without auxiliary system: -10℃/-25℃
Cooling Method: Water cooled
Engine Cooling Fluid Volume: 12.3 L
Key Features and Technical Advantages
Efficient Natural Gas Performance
The B5.9-150G gas engine is engineered for optimized combustion efficiency, providing cleaner energy output while maintaining strong torque performance of up to 508 N.m at 1500 rpm.
Durable 5.9L 6-Cylinder Structure
Built on the proven Cummins B-series platform, this engine features:
- Inline 6-cylinder configuration
- Turbocharged and air-to-air intercooled system
- High durability for long-term commercial operation
Low Emissions and Compliance
The engine meets Euro II emission standards, making it suitable for regions with strict environmental regulations and urban transportation applications.
Cummins B5.9-150G Applications
The Cummins B5.9-150G engine is widely used in:
- Commercial trucks (especially Dongfeng platforms)
- City buses and public transport fleets
- Logistics and distribution vehicles
- Gas-powered fleet conversions
Its balance of fuel efficiency and reliability makes it ideal for medium-duty commercial operations.
Maintenance and Reliability: Is Cummins B5.9 Reliable?
A common question from fleet managers is, "is Cummins B5.9 reliable?" The answer lies in its heritage. Derived from the legendary B-series diesel, the DCEC B5.9-150G 6-cylinder gas engine shares many heavy-duty components with the 6BT. However, maintenance differs slightly.
How to Maintain a Cummins B5.9-150G in Tropical Climates
High humidity and heat can stress engine components. To ensure longevity:
- Monitor Coolant: Maintain the 12.3L coolant level and use high-quality corrosion inhibitors.
- Oil Quality: Check the Cummins B5.9 engine oil capacity (approx. 14.2L-16.3L depending on the pan) and use gas-specific lubricants.
- Turbocharger Care: Inspect the B5.9-150G turbocharger model for oil leaks after long hauls in high temperatures.
Comparative Analysis: Cummins B5.9-150G vs B5.9-195G and 6BT
When choosing an engine, understanding the Cummins gas vs diesel engine difference is key. While the 6BT Cummins engine is a diesel legend, the B5.9-150G offers lower operating costs in regions where natural gas is subsidized.
- B5.9-150G vs. B5.9-195G: The 150G is optimized for fuel economy and urban duty cycles, whereas the 195G provides higher torque for heavier loads.
- Difference between Cummins B5.9 and 6BT: The B5.9 (Gas) utilizes spark-ignition and specific B5.9 Engine Parts like gas-specific cylinder heads and spark plugs, whereas the 6BT is compression-ignition.
Maintenance and Reliability
The Cummins B5.9 engine platform is widely recognized for its durability and ease of maintenance.
Maintenance Tips
- Regular oil and filter replacement
- Use high-quality natural gas fuel
- Check turbocharger and cooling system periodically
Reliability in Harsh Environments
The engine performs well in high-temperature and high-altitude conditions (up to 2700m), making it suitable for tropical and developing markets.
Procurement and Global Export
HekoPower makes it easy to buy Cummins B5.9 gas engines. We offer a 10-day lead time for the Cummins B5.9-150G 150HP engine to ensure your fleet downtime is minimized. As a leading Cummins B5.9 engine supplier in China, we provide:
- 12-month warranty on all original units.
- Complete B5.9-150G Technical Datasheets and repair manual PDFs upon request.
- Competitive Cummins B5.9-150G engine price for export to South East Asia, Africa, and the Middle East.
DCEC Gas Engine Series, original products from Dongfeng Cummins Engine Plant (DCEC), Cummins Joint Venture Plant since 1986, 50% shareholding by Cummins USA. This series mainly includes B5.9-150G, BGe 150-30, B5.9-195G, BGe 195-31, BGe 200-30, B5.9-230G, BGe 230-31.
Frequently Asked Questions (FAQ)
What is the price of Cummins B5.9-150G engine?
Prices vary depending on quantity and shipping terms. Contact HekoPower for the latest wholesale price.
Is this engine original Cummins?
Yes, all engines supplied are genuine DCEC Cummins products.
What vehicles use the B5.9-150G engine?
It is commonly used in Dongfeng trucks, buses, and commercial vehicles.
