Are you looking for the best Cummins M11 engine suppliers in China? If so, you’re in the right place. In this article, we’ll compare the top factories in China that produce the powerful and reliable Cummins M11 engine, helping you make an informed decision for your heavy-duty needs. Let’s dive in and explore the key players and what they have to offer.

M11 | Cummins Inc.

Cummins M11 China Manufacturer Guide

Product Details: The Cummins M11 engine is a straight-six diesel engine with a displacement of 10.8 liters (659.1 cu in). It was introduced in 1994 and is known for its various configurations such as M11, M11 CELECT Plus, ISM, and ISMe. The engine features a cylinder bore of 4.921 inches (125.0 mm) and a piston stroke of 5.787 inches (147.0 mm). It uses a Holset Variable Geometry Turbocharger and has a water-cooled cooling system. The engine is available in various power ratings, ranging from 280 to 500 horsepower, and is used in applications such as large transit buses, coaches, heavy-duty trucks, and

off-highway vehicles[1][2][3].

Pros:
– High power-to-weight ratio, especially in the ISM configurations
– Advanced electronics and digital engine diagnostics for improved fuel efficiency…
– Full-authority electronic fuel system (CELECT Plus) for optimized injection timi…
– Improved reliability and durability with features like micro-finished camshaft l…
– Better fuel economy through charge air cooling and optimized engine performance…

Cons:
– Some users reported issues with maintaining speed, especially when loaded, requi…
– Higher effort required to operate and louder cab noise compared to other engines…
– Potential for specific issues such as the stop engine light coming on and requir…

Cummins M11 ISM11 QSM11 10.8L 6 cylinder Mining …

Product Details: The Cummins ISM11 and QSM11 diesel engines are 6-cylinder, in-line, 4-stroke diesel engines with a displacement of 10.8 liters. They feature a turbocharged and aftercooled aspiration system. The ISM11 series offers power ratings from 345 to 440 HP at 1900 RPM, while the QSM11 series ranges from 300 to 715 HP. These engines are used in various applications including mining, drilling, crane operations, and marine vessels. Key specifications include a bore of 125 mm and a stroke of 147 mm, with a compression ratio of 16.3:1[1][4][5].

Pros:
– Excellent reliability and durability
– Fuel-efficient operation with advanced fuel systems like Cummins Celect
– High torque performance and proven acceleration
– Quiet and virtually smoke-free operation
– Extended engine life due to heavy-duty design elements
– Global service network and comprehensive warranty

Cons:
– Higher maintenance costs due to complex electronic systems
– Large size and weight, making installation and transportation challenging
– Higher initial purchase cost compared to smaller engines
– Requires specialized training for maintenance and repair

Viewing a thread – M11 cummins

Product Details: The SN74LS151 or 74151 is an 8-line to 1-line data selector/multiplexer. It has eight data inputs, three select inputs, and one output. The chip also includes a strobe input that enables or disables the output. It operates with a single 5V power supply and is commonly used in digital circuits for data selection and routing.

Pros:
– High speed operation with typical propagation delay times of 20 ns
– Low power consumption
– Multiple package options available
– Wide range of applications in digital circuits

Cons:
– Limited to 8 input lines
– Requires careful handling of select and strobe inputs to avoid data errors
– May require additional logic for more complex data routing

Cummins Engine M11-C for Truck And More

cummins m11 power

Product Details: The Cummins M11 is a straight-six diesel engine with a displacement of 10.8 liters. It was introduced in the late fall of 1993 and replaced the Cummins L10. The engine is known for its reliability and durability, often referred to as a ‘million mile engine.’ It is primarily used in over-the-road trucks, large transit buses, coaches, and heavy-duty trucks. The M11 can produce between 280 and 500 horsepower, depending on the configuration, with peak torque ratings varying accordingly. It features the CELECT Plus electronic control system, which improves fuel efficiency, performance, and reliability. The engine also includes a Holset Variable

Geometry Turbocharger and advanced metallurgy in its cylinder head for enhanced durability and fuel efficiency[1][3][4].

Pros:
– High reliability and durability, often referred to as a ‘million mile engine'[4] – Good fuel efficiency due to the CELECT Plus electronic control system and charge…
– Strong performance with maximum horsepower and greater torque at lower rpm[2][3] – Advanced metallurgy in the cylinder head for improved durability and emissions[2…
– Wide range of applications including over-the-road trucks, transit buses, and he…

Cons:
– Complexity of the electronic control system may require specialized maintenance[…
– Higher initial cost compared to some other diesel engine options[4] – Potential for higher oil consumption if not properly maintained, though the pate…

Cummins Diesel Engine M11/QSM11-C for Construction

QSM11 | Cummins Inc.

Product Details: The Cummins QSM11 is a 4-stroke, 6-cylinder inline diesel engine with a displacement of 10.8 liters. It features a power range of 330 to 715 HP and up to 2,450 lb-ft of torque. The engine is equipped with a high-pressure Common Rail fuel injection system, wastegated turbocharging, and electronic controls via Cummins’ Quantum System. It offers freshwater cooling with heat exchanger or keel-cooled options and meets IMO Tier II and EPA Tier 3 emissions standards. The engine is available in various duty ratings including Continuous Duty, Heavy Duty, Medium Continuous Duty, and Intermittent Duty[1][3][4].

Pros:
– Advanced fuel system providing precise fuel delivery, improved fuel efficiency,…
– Electronic controls enabling easy integration, onboard diagnostics, fault report…
– Turbocharging and wastegated design for enhanced power delivery and boost contro…
– Reliable cooling system with flexible configurations to prevent corrosion and pr…
– Excellent fuel economy and long-range cruising capabilities[4].
– Global service network and dependable long life proven through commercial and tr…

Cons:
– Historical issues with dry exhaust manifolds and turbo bases, such as warping, c…
– Need for careful engine propelling to maintain service life, particularly for hi…
– Potential for manifold and turbo wear, especially in higher HP versions like the…

CCEC Cummins M11-C380 Construction diesel …

Cummins M11-C Series – Diesel Engine – COOPAL

Product Details: The Cummins M11-C engine is a 6-cylinder, inline diesel engine. Key specifications include a rated power range of 228-284 kW (310-380 HP), a rated speed of 1800-2100 RPM, a bore and stroke of 125 mm * 147 mm, and a displacement of 10.8 liters. The engine features a compression ratio of 16.2:1, is turbocharged with a water-cooled cooling method, and uses a Cummins PT fuel system. It has a peak torque range of 1234-1559 N.m @ 1300 rpm and a fuel consumption of 64.4 L/hr. The engine dimensions are 1306mm * 914mm * 1280mm and it weighs 984 Kg[1][2][3].

Pros:
– High power and torque output suitable for heavy-duty applications
– Advanced fuel system with CELECT Plus for optimized fuel efficiency and performa…
– Durable design with features like micro-finished camshaft lobes and advanced cyl…
– Improved reliability and durability with components such as the Holset HX55 turb…
– Good fuel economy due to charge air cooling and optimized injection timing

Cons:
– High fuel consumption at 64.4 L/hr
– Significant weight at 984 Kg, which can affect vehicle balance and handling
– Complex electronic systems may require specialized maintenance and repair
– Potential for higher operating costs due to the high power output and fuel consu…

Comparison Table

Frequently Asked Questions (FAQs)

FAQs About Cummins M11 Engines

What is the Cummins M11 engine and when was it introduced?

The Cummins M11 is an inline six-cylinder, 10.8-liter diesel engine that was introduced in the late fall of 1993. It replaced the Cummins L10 and was used in various applications, including transit buses and motorcoaches.

What are the key features and improvements of the Cummins M11 engine?

The Cummins M11 engine is known for its advanced electronics, particularly the CELECT Plus electronic control system introduced in 1996, which improved fuel efficiency, performance, and reliability. It also features a Holset HX55 turbocharger for better efficiency and performance, and advanced components like micro-finished camshaft lobes and a patented mid-stop cylinder liner design.

What are the horsepower ratings available for the Cummins M11 engine?

The Cummins M11 engine comes in various horsepower ratings, ranging from 280 to 400 horsepower. Specific models include the M11-280E, M11-330E, and higher ratings like the M11-370E and M11-400E, each designed for different on-highway applications.

How does the Cummins M11 engine perform in terms of fuel efficiency and reliability?

The Cummins M11 engine is designed to deliver outstanding performance and fuel efficiency, especially in the 1200-1800 rpm range. The CELECT Plus system optimizes injection timing and metering, and features like charge air cooling help lower intake manifold temperatures, improving fuel efficiency and reducing emissions.

What maintenance and service considerations should you be aware of for the Cummins M11 engine?

To maintain your Cummins M11 engine, ensure you follow the manufacturer’s specifications for oil and fuel use. Regular checks include the coolant filter and combination full-flow and bypass oil filter, which help minimize oil filter replacement and disposal costs. Digital engine diagnostics also help reduce downtime by providing detailed performance data.