Products Description
The Cummins QSB5.9 engine is a robust and reliable diesel engine widely recognized for its performance, efficiency, and versatility in various applications. As part of Cummins’ QSB series, the QSB5.9 is engineered to meet the demands of numerous industries, including agriculture, construction, industrial, and marine. Below is a detailed product description highlighting its key features, specifications, and common applications.
Cummins QSB5.9 Engine Overview
1. Engine Type:
- Configuration: Inline 6-cylinder, four-stroke diesel engine.
- Aspiration: Turbocharged with a wastegate; some variants may include an intercooler, enhancing power output and thermal efficiency.
2. Displacement:
- Engine Displacement: Approximately 5.9 liters (5,900 cc).
3. Power Output:
- Maximum Power: Ranges from 130 HP (approximately 97 kW) to 300 HP (approximately 224 kW) depending on the model specification and intended application.
- Maximum Torque: Delivers torque in the range of 500 Nm (approximately 369 lb-ft) to 1,050 Nm (approximately 775 lb-ft).
4. Dimensions and Weight:
- Bore x Stroke: Approximately 102 mm x 120 mm (4.02 in x 4.72 in).
- Weight: Varies based on configuration and options, typically around 350 kg to 450 kg (approximately 772 lbs to 992 lbs).
5. Cooling System:
- Cooling Method: Water-cooled, featuring a robust cooling system that ensures optimal operating temperatures even in demanding conditions.
6. Fuel System:
- Fuel Type: Diesel, utilizing a high-pressure common rail fuel injection system that provides superior fuel atomization for improved combustion efficiency and power delivery.
- Fuel Efficiency: Designed for competitive fuel consumption rates, contributing to reduced operating costs and environmental impact.
7. Emissions Compliance:
- The QSB5.9 engine complies with various emissions regulations, including EPA Tier 4 Final and EU Stage V, ensuring that it meets stringent environmental standards while delivering substantial performance.
Features
- Advanced Technology: Incorporates Cummins’ latest engine technologies, such as electronic fuel control and advanced combustion techniques, resulting in higher efficiency and lower emissions.
- Durable Design: Designed with high-strength materials and robust engineering, ensuring longevity and reliability under heavy loads and harsh operating conditions.
- Low Operating Costs: Its fuel efficiency paired with maintenance-friendly design leads to lower total cost of ownership.
- Quiet Operation: Engineered for reduced noise and vibration, enhancing operator comfort and compliance with noise regulations.
Applications
The Cummins QSB5.9 engine is versatile and widely used across various sectors, including:
- Agriculture: Commonly found in tractors, harvesters, and other agricultural machinery that require reliable power for field operations.
- Construction: Utilized in backhoes, excavators, and other construction equipment demanding robust performance and efficiency.
- Industrial: Suitable for generator sets and material handling equipment, where durability and high performance are critical.
- Marine: Used in small to medium-sized vessels, providing power for propulsion and auxiliary applications.
- Mining and Forestry: Employed in machinery for mining operations as well as equipment used in timber harvesting and processing.
Conclusion
The Cummins QSB5.9 engine embodies Cummins’ commitment to quality and innovation. With its reliable performance, fuel efficiency, and compliance with environmental standards, it continues to be a popular choice in multiple industries. The engine’s versatility, combined with its advanced features, makes it well-suited for operators seeking reliable, high-performance power solutions for their equipment in a variety of demanding applications. Whether in agricultural fields or construction sites, the QSB5.9 is engineered to meet the needs of modern engine users, ensuring that it remains a leader in its class.

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Company Profile
Hebei Keluo Construction Machinery Co., Ltd
Certainly! Here is marketing copy for the engines available in your company across pre-sales, after-sales, warranty, maintenance, and other aspects:

Pre-Sales:
Power Up Your Performance with Our Engine Selection!
Explore a diverse range of top-tier engines from renowned brands like Deutz, Cummins, Kubota, Volvo, Yanmar, Isuzu, Perkins, Weichai, and more. Enhance your operations with our reliable and efficient engine solutions tailored to meet your needs. Contact us today to find the perfect powerhouse for your application!
After-Sales Support:
Unmatched Service Every Step of the Way
Our commitment doesn't end at a sale. Count on our dedicated after-sales support team for expert guidance, maintenance, and troubleshooting. Trust in our comprehensive services to keep your engine running at its best, ensuring uninterrupted performance and maximum efficiency for years to come.
Warranty Assurance:
Peace of Mind Guaranteed
Rest easy with our extensive warranty coverage on all engines. We stand by the quality and durability of our products, offering industry-leading warranties to safeguard your investment. Drive with confidence knowing that your engine is protected by our reliable warranty, delivering peace of mind and long-term value.
Maintenance Services:
Sustained Performance, Sustained Excellence
Ensure optimal performance and longevity with our tailored maintenance services. Our team of skilled technicians is equipped to handle all your servicing needs, from routine checks to comprehensive overhauls. Keep your engine in peak condition with our proactive maintenance solutions, designed to maximize uptime and minimize downtime.
Other Aspects:
- Performance Enhancement: Boost your operations with engines designed for superior performance and efficiency.
- Environmental Responsibility: Embrace eco-friendly solutions with engines that prioritize sustainability and emissions control.
- Customization Options: Tailor your engine specifications to meet your unique requirements and optimize performance.
- Industry Expertise: Benefit from our deep industry knowledge and experience in delivering top-of-the-line engine solutions to diverse sectors.
Feel free to customize this content further to align with your company's specific messaging and branding strategies.
Certifications
FAQ
Q1: What is your delivery time?
A: The delivery time is within 15 working days.
Q2: What is the payment term?
A: Normally we accept 30% deposit by TT for production, 70% balance by TT before shipping.
Q3: What color can I choose?
A: We can customize the color according to your color number.
Q4: Can I see the production progress after order?
A: Yes, during production, we can make video call and we could take photos/videos for your reference.
Q5: What kind of service can I get from you if I buy? How can I get parts?
A: We have 1 year warranty for each machine.Within 1 year warranty, if any parts failure caused by quality issues, the new parts would be sent to you free of charge within 5 working days. We have professional after sales department to support for you at any time.