4012060
Starting Motor Spacer
Cummins®

The Cummins 4012060 Starting Motor Spacer is a component designed to facilitate the proper operation of the starting system in commercial trucks. Its primary role is to ensure the correct alignment and spacing between the starter motor and the engine, which is vital for the efficient and reliable starting of the vehicle ¹.

Function and Operation

The Starting Motor Spacer functions by providing the necessary distance and alignment between the starter motor and the engine. This spacing is crucial for the starter motor to engage properly with the flywheel or flexplate, allowing for a smooth and effective start. Proper alignment and spacing help prevent undue stress on the starter motor and other components, ensuring a consistent and reliable starting process ².

Key Features

The Cummins 4012060 Starting Motor Spacer is constructed from durable materials, ensuring it can withstand the rigors of commercial truck operation. Its design includes precise dimensions to maintain the correct spacing and alignment. Additionally, the spacer may feature anti-corrosive coatings or treatments to enhance its longevity and performance in various operating conditions ³.

Benefits

The use of the Starting Motor Spacer offers several benefits. It contributes to improved starting reliability by ensuring the starter motor engages correctly with the engine. This proper engagement reduces wear on starter components, leading to longer component life. Additionally, the spacer helps maintain overall engine performance by ensuring that the starting process is smooth and efficient ⁴.

Installation and Maintenance

Proper installation of the Starting Motor Spacer involves ensuring that the spacer is correctly positioned between the starter motor and the engine. This may require specific preparation steps, such as cleaning the mating surfaces and verifying that all components are free of debris. Torque specifications should be followed to secure the spacer in place without over-tightening, which could lead to damage. Routine maintenance checks should include inspecting the spacer for signs of wear or damage and ensuring that it remains properly aligned ⁵.

Troubleshooting Common Issues

Common issues with Starting Motor Spacers can include misalignment or wear, which may lead to starting difficulties or increased wear on the starter motor. Troubleshooting these issues involves checking the spacer for proper positioning and condition. If misalignment is detected, realigning the spacer and ensuring it is securely fastened can resolve the issue. Worn spacers should be replaced to maintain reliable starting performance ⁶.

Manufacturer Overview

Cummins Inc. is a renowned manufacturer in the commercial truck industry, known for its high-quality engines and components. The company has a long history of innovation and commitment to customer satisfaction. Cummins’ product offerings include a wide range of engines, powertrains, and components designed to meet the demanding needs of commercial trucking. The reputation of Cummins is built on its dedication to quality, reliability, and performance ⁷.

Compatibility of Cummins Part 4012060 with Various Engine Models

The Cummins part 4012060, identified as a Starting Motor Spacer, is designed to fit seamlessly with a range of engine models. This part is crucial for ensuring the proper alignment and functionality of the starting motor within the engine assembly.

QSV81G and QSV91G Engines

The Starting Motor Spacer part 4012060 is compatible with the QSV81G and QSV91G engines. These engines are known for their robust design and reliability, often used in heavy-duty applications. The spacer ensures that the starting motor is correctly positioned, facilitating efficient operation and reducing the risk of mechanical failure ⁸.

QSV91-G4 CM558/CM700 V102 Engine

For the QSV91-G4 CM558/CM700 V102 engine, the part 4012060 plays a similar role. This engine variant is engineered for high performance and durability, making the correct installation of the starting motor spacer essential. The spacer aids in maintaining the integrity of the engine’s mechanical components, ensuring optimal starting performance and longevity ⁹.

Grouping of Compatible Engines

The engines QSV81G and QSV91G share a commonality in their design and operational requirements, making the part 4012060 interchangeable between these models. This compatibility simplifies maintenance and repair processes, as technicians can use the same part across multiple engine types.

The QSV91-G4 CM558/CM700 V102 engine, while distinct in its specifications, also benefits from the use of the part 4012060. The design of this engine variant necessitates precise alignment of the starting motor, which the spacer provides, ensuring that the engine operates at peak efficiency ¹⁰.

Role of Part 4012060 Starting Motor Spacer in Engine Systems

The Part 4012060 Starting Motor Spacer is an essential component in the assembly and operation of engine systems, particularly in the context of starting motors and their associated mechanisms.

When integrating the Starting Motor Spacer into an engine system, it is positioned between the starting motor and the engine’s mounting surface. This spacer ensures proper alignment and spacing, which is vital for the efficient operation of the starting motor.

In systems that employ a barring motor, the Starting Motor Spacer helps maintain the correct distance between the barring motor and the drive components. This is important for the smooth rotation of the engine during startup, reducing the risk of mechanical stress or damage.

Furthermore, the spacer plays a role in the overall mounting stability of the starting motor. By providing a consistent and reliable gap, it allows for the starting motor to engage with the drive components without interference, ensuring a seamless start-up process.

Conclusion

In summary, the Part 4012060 Starting Motor Spacer is a key element in the precise assembly and functional integrity of engine systems, particularly in the coordination between the starting motor, barring motor, and drive components. Its proper installation and maintenance are crucial for ensuring reliable and efficient engine starting, contributing to the overall performance and longevity of the engine.