4064171
Starting Motor
Cummins®

Introduction

The Cummins 4064171 Starting Motor is a critical component for commercial trucks, designed to convert electrical energy from the battery into mechanical energy to initiate engine operation ¹. This ensures reliable and efficient engine starts, which are essential for the vehicle’s performance and uptime.

Basic Concepts of Starting Motors

Starting motors, or starters, are vital for internal combustion engines. They engage with the engine’s flywheel to rotate it, initiating the combustion process. Key components include the solenoid, starter motor, and pinion gear ².

Role of the 4064171 Starting Motor in Truck Operation

This Cummins part interacts with the battery and ignition system. When the ignition key is turned, electrical current flows to the starter solenoid, engaging the starter motor. The motor turns the pinion gear, which meshes with the flywheel, cranking the engine to start ¹.

Key Features of the 4064171 Starting Motor

The 4064171 is known for its robust design and high-quality materials. It features a durable housing, superior electrical components, and a precision-machined pinion gear, ensuring efficient operation and longevity under demanding conditions ².

Benefits of Using the 4064171 Starting Motor

Using this part offers improved starting performance, quick and reliable engine starts, enhanced longevity, and reduced electrical draw, contributing to overall vehicle efficiency ¹.

Troubleshooting Common Issues with Starting Motors

Common issues include slow cranking, clicking sounds, or failure to start, often due to battery issues, solenoid malfunctions, or worn-out motor components. Troubleshooting involves checking the battery, inspecting the solenoid, and examining the starter motor for wear or damage ².

Maintenance Tips for Starting Motors

Regular maintenance is recommended to ensure optimal performance. This includes inspecting for wear, cleaning electrical connections, ensuring proper alignment and wear of the pinion gear and flywheel, and lubricating moving parts as per manufacturer’s recommendations ¹.

Cummins: A Brief Overview

Cummins Inc. is renowned for producing high-quality automotive components, with a history of innovation and excellence. Their starting motors, including the 4064171, are designed to meet the demanding requirements of commercial truck applications ².

Compatibility of Cummins Part 4064171 with Various Engine Models

This part is compatible with several engine models, including QSB4.5 CM2250 EC, QSB6.7 CM2250, QSB6.7 CM850 (CM2850), and QSB7 CM2880 B117. It is engineered to handle varying torque requirements and electrical demands, ensuring consistent performance across different engine configurations ¹.

Grouping by Engine Series

The compatibility of the 4064171 can be grouped by engine series. The QSB4.5 CM2250 EC, QSB6.7 CM2250, and QSB6.7 CM850 (CM2850) engines are part of the QSB series, known for versatility and reliability. The QSB7 CM2880 B117 engine, a higher power output variant, also benefits from this starting motor ².

Design Considerations

The design of the 4064171 considers specific needs of each engine model, including electrical system requirements, available space, and environmental conditions. This ensures it can be used across multiple engine models without modification ¹.

Role of Part 4064171 Starting Motor in Engine Systems

This part is integral in the ignition process, converting electrical energy into mechanical energy to initiate engine operation. It engages with the flywheel or flexplate via the starter solenoid and pinion gear, cranking the engine and allowing piston movement. The efficiency of the Starting Motor is influenced by battery condition, electrical connections, and the mechanical integrity of the solenoid and pinion gear ².

Conclusion

The Cummins 4064171 Starting Motor is a vital component in the ignition process of various engine systems. Its robust design, compatibility with multiple engine models, and efficient operation contribute to reliable engine starts and overall vehicle performance.