4067618
Starting Motor
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$3,899.95 $4,640.94

Oversize Item

This is an oversize product. Additional shipping fees may apply.

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

Introduction

The Cummins 4067618 Starter Motor is a component designed for use in commercial trucks. Its purpose is to initiate the engine’s operation by engaging with the flywheel and turning the engine over until it starts running on its own. This part ensures reliable and efficient engine starts, which is essential for the vehicle’s overall performance and uptime.

Basic Concepts of Starter Motors

A starter motor is an electric motor that converts electrical energy into mechanical energy to start an internal combustion engine. It functions by drawing electrical current from the vehicle’s battery and using it to turn a small gear, known as the pinion, which engages with the flywheel of the engine. This engagement causes the engine to rotate, allowing it to start. The principles of electric motors, such as electromagnetic induction, are applied in starter motors to facilitate this process 1.

Purpose of the 4067618 Starter Motor

The Cummins 4067618 Starter Motor plays a role in the operation of a truck by providing the necessary torque to turn the engine over. When the ignition is activated, the starter motor engages with the engine’s flywheel, initiating the starting process. This engagement is essential for the engine to reach the speed required for combustion to begin 2.

Key Features

The Cummins 4067618 Starter Motor incorporates several key features that enhance its performance and durability. These include a robust design that ensures reliable operation under various conditions, high-quality construction materials that resist wear and corrosion, and unique attributes such as advanced electrical components that improve efficiency and reduce the risk of failure 3.

Benefits

Using the Cummins 4067618 Starter Motor offers several benefits. These include improved reliability due to its sturdy construction, enhanced performance through efficient electrical components, and longevity that ensures it can withstand the demands of commercial truck operations. These attributes contribute to reduced downtime and maintenance costs for truck operators.

Installation and Compatibility

Proper installation of the Cummins 4067618 Starter Motor involves following specific procedures to ensure it functions correctly and safely. This includes securing the motor in place, ensuring electrical connections are properly made, and verifying that it is compatible with the truck’s engine and electrical system. Compatibility with various truck models and engine types is a key consideration to ensure optimal performance.

Maintenance and Troubleshooting

Routine maintenance practices for the Cummins 4067618 Starter Motor include regular inspection of electrical connections, cleaning the motor to prevent buildup of dirt and debris, and checking for signs of wear or damage. Common troubleshooting tips for issues such as slow cranking, clicking sounds, or failure to start involve checking the battery’s charge, ensuring electrical connections are secure, and inspecting the starter motor for any visible damage.

Performance Enhancements

Potential performance enhancements for the Cummins 4067618 Starter Motor may include upgrading electrical components to improve efficiency, applying protective coatings to enhance durability, or modifying the motor’s design to increase torque output. These enhancements can further improve the motor’s reliability and performance in demanding applications.

Safety Considerations

When working with the Cummins 4067618 Starter Motor, it is important to observe safety precautions and best practices. This includes ensuring the vehicle’s battery is disconnected before beginning any work to prevent electrical shock, using appropriate tools and equipment to avoid injury, and following maintenance procedures to ensure the motor operates safely and efficiently.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a reputation for quality in the automotive industry, Cummins is committed to providing reliable and efficient solutions for its customers. The company’s dedication to quality and innovation is evident in its diesel engines and related components, including the Cummins 4067618 Starter Motor.

Compatibility of Cummins Starter Motor Part 4067618 with Various Engine Models

The Cummins Starter Motor part 4067618 is designed to be compatible with a range of Cummins engine models, ensuring reliable performance across different applications. This starter motor is engineered to meet the specific requirements of the engines it supports, providing robust and efficient starting capabilities.

QSK19 and CM2350 Engines

The QSK19 and CM2350 engines are part of Cummins’ lineup of high-performance, heavy-duty engines. These engines are commonly used in various industrial and marine applications, where reliability and power are essential. The starter motor part 4067618 is specifically designed to interface seamlessly with these engines, ensuring quick and reliable engine starts even under demanding conditions.

K105 Engine

The K105 engine is another robust model in Cummins’ portfolio, known for its durability and efficiency. This engine is often utilized in agricultural and construction equipment, where it needs to perform consistently in tough environments. The starter motor part 4067618 is engineered to provide the necessary power and reliability for the K105 engine, ensuring that it starts efficiently and reliably, regardless of the operating conditions.

Grouping of Engines

The QSK19 and CM2350 engines, while distinct in their specific applications, share common design principles and performance characteristics. The starter motor part 4067618 is designed to be compatible with both these engines, making it a versatile choice for users operating either of these models. This compatibility allows for easier maintenance and part replacement, as the same starter motor can be used across different engine types within this group.

The K105 engine, while part of a different series, also benefits from the robust design of the starter motor part 4067618. This engine is typically used in applications where heavy-duty performance is required, and the starter motor is engineered to provide the necessary power and reliability for these demanding conditions.

Role of Part 4067618 Starter Motor in Engine Systems

The part 4067618 Starter Motor is an integral component in the starting system of an engine. It is responsible for initiating the engine’s operation by converting electrical energy into mechanical energy. When the ignition key is turned, the starter motor engages with the flywheel or flexplate, which is connected to the crankshaft. This engagement causes the engine to rotate, allowing the pistons to move within the cylinders and begin the combustion process.

In a typical starting system, the starter motor is powered by the vehicle’s battery. The electrical current flows through the starter solenoid, which then activates the starter motor. The starter motor’s gear, known as the pinion gear, meshes with the ring gear on the flywheel or flexplate. As the starter motor spins, it turns the flywheel, which in turn rotates the crankshaft. This rotation compresses the air-fuel mixture in the cylinders, leading to ignition and the subsequent operation of the engine.

The starter motor’s performance is influenced by several factors, including the condition of the battery, the integrity of the electrical connections, and the mechanical condition of the starter motor itself. A well-maintained starter motor ensures reliable engine starts, while a faulty one can lead to starting difficulties or complete failure to start.

Conclusion

The Cummins 4067618 Starter Motor is a critical component in the starting system of commercial trucks, ensuring reliable and efficient engine starts. Its robust design, high-quality construction, and advanced features contribute to its durability and performance. Proper installation, maintenance, and troubleshooting are essential to maximize the benefits of this Cummins part, ensuring optimal engine performance and reduced downtime for truck operators.


  1. Carroll, Douglas R. Energy Efficiency of Vehicles. SAE International, 2020.

  2. Nunney, MJ. Light and Heavy Vehicle Technology, Fourth Edition. Butterworth-Heinemann, 2007.

  3. Reif, Konrad. Automotive Mechatronics. Springer Vieweg, 2015.

SPECIFICATIONS

Package Dimensions
25.75 x 12.75 x 16.75 in
Weight
80.22 lb
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.