Are you looking for the best QSL9 Cummins factories in China? If so, you’re in the right place. China is home to several top-notch Cummins factories, each specializing in different aspects of diesel engine production. Let’s dive into the top QSL9 Cummins factories and see what sets them apart.

QSL9 | Cummins Inc.

Product Details: The Cummins QSL9 engine is an in-line, 6-cylinder, 4-stroke diesel engine with a displacement of 8.9 L (542 in^3) and a bore and stroke of 114 x 145 mm (4.49 x 5.71 in). It is turbocharged and aftercooled. The engine is rated at 290-410 hp (216-306 kW) with a torque range of 1064-1162 lb-ft (1443-1575 N•m). It complies with U.S. EPA Tier 3 emissions regulations without the use of aftertreatment and meets International Association of Classification Societies (IACS) and SOLAS requirements. The engine features a high-pressure common-rail fuel system, a robust design with metric O-ring seals and edge molded gaskets,

and a single loop, low temperature aftercooling system.

Pros:
– High power output with ratings of 290-410 hp (216-306 kW) and torque of 1064-116…
– Robust engine design for long life with aluminum pistons and metric O-ring seals…
– High-pressure common-rail fuel system providing constant high injection pressure…
– Excellent fuel economy and clean, quiet operation with virtually no startup smok…
– Global service network and comprehensive technical support.
– Flexible cooling system options including single loop, low temperature aftercool…

Cons:
– No significant drawbacks mentioned in the provided sources, but potential higher…
– May require specialized knowledge for maintenance and repair due to its complex…

Diesel QSL9-Series

QSL9 I-Range | Cummins Inc.

QSL9 (Tier 4 Final/Stage IV)

QSL9 (Tier 4 Interim)

Product Details: The Cummins QSL9 (Tier 4 Interim) engine is rated at 230-400 hp (172-298 kW) and produces torque ranging from 675-1200 lb-ft (915-1627 N•m). It features a high-pressure common rail fuel system for greater fuel efficiency, lower noise, and reduced emissions. The engine uses a diesel particulate filter (DPF) system to meet EPA Tier 4 Interim and EU Stage IIIB emissions standards. It requires Ultra Low Sulfur Diesel (ULSD) fuel with a maximum sulfur content of 15 ppm. The engine has full-authority electronic controls to optimize engine operation and provide critical information for cost control. The QSL9 has a bore and

stroke of 4.49 in (114 mm) and 5.69 in (145 mm), respectively, and is used in various applications including construction, agriculture, and logging equipment[3][4][5].

Pros:
– High power-to-weight ratio
– Optimized fuel economy with minimal impact on cooling package
– Full-authority electronic controls for efficient engine operation
– Reduced emissions through advanced DPF system
– Versatile use in multiple heavy-duty applications

Cons:
– Requires Ultra Low Sulfur Diesel fuel, which may not be universally available
– Higher initial cost due to advanced emissions technology
– Potential complexity in maintenance due to sophisticated electronic controls and…

QSL9-G5 | Cummins Inc.

Used Cummins QSL9 Truck Engine for sale in China

Product Details: The Cummins QSL9 engine is a 4-stroke, in-line 6-cylinder diesel engine with a bore and stroke of 114 mm x 145 mm (4.49 in x 5.71 in) and a displacement of 8.9 L (542 in^3). It is turbocharged and aftercooled, featuring a high-pressure common-rail fuel system. The engine is rated at 250-400 hp (186-298 kW) for Tier 4 Final and Stage IV emissions standards. It has a 24-valve cylinder head, integrated block design, and a Coolpac integrated cooling package. The QSL9 is used in various applications including construction equipment, agricultural tractors, and logging machinery[1][3][5].

Pros:
– High power-to-weight ratio and excellent fuel economy
– Clean and quiet operation with virtually no startup smoke
– Better cold starting capability and lower operational noise
– Full-authority electronic engine controls for optimized performance
– Integrated emissions aftertreatment system for near-zero emissions
– Global service network and comprehensive technical support

Cons:
– Reports of issues with shorted injector leads leading to de-rated engine perform…
– Potential for increased complexity due to advanced emissions aftertreatment syst…

Cummins engine

QSL9 G7 & G2

China Manufacturer 1 Set Valve Train Kit Fits For Cummins …

Comparison Table

Frequently Asked Questions (FAQs)

Frequently Asked Questions About QSL9 Cummins Factories in China

Where are the QSL9 Cummins engines manufactured in China?

The QSL9 Cummins engines are manufactured in several joint-venture factories in China. One of the key locations is the Guangxi Liugong Cummins Engine Company, which is invested in by the Liugong Machinery Group. This factory specifically produces the QSL9 engine for various applications, including construction equipment.

What types of engines are produced by the joint-venture factories in China?

The joint-venture factories in China, such as Dongfeng Cummins Engine Company, Chongqing Cummins Engine Company, and Xi’an Cummins Engine Company, produce a wide range of Cummins diesel engines. These include small to medium horsepower engines like the Family 4B, 6B, and 6C, as well as higher horsepower engines like the NTA855, M11, KTA19, KTA38, and KTA50.

What are the key features of the QSL9 engine?

The QSL9 engine is known for its high efficiency and compliance with Tier 4 Final/Stage IV emissions regulations. It uses an XPI (Xtra-High Pressure Injection) fuel system, which enhances power output and reduces fuel consumption. The engine also features a Cummins VGT™ turbocharger, cooled Exhaust Gas Recirculation (EGR), and EcoFit™ Ultra-Low Emission Systems for optimal performance and emissions control.

What applications are QSL9 engines typically used for?

QSL9 engines are widely used in various heavy-duty applications, including construction equipment such as excavators, cranes, wheel loaders, and compactors. They are also used in agricultural tractors and sprayers, logging equipment like chippers and feller bunchers, and material-handling equipment like heavy forklifts and container-handling trucks.

How do the Chinese factories ensure the quality and reliability of the QSL9 engines?

The Chinese factories, such as those under Cummins Power Generation, adhere to stringent quality and performance standards. They conduct thorough tests, including Installation Quality Assurance (IQA) tests, continuous load tests, and overload tests to ensure the engines meet the required specifications and deliver stable operation, low noise, and low emissions. This commitment to quality helps maintain the high reliability of the QSL9 engines.