2871253
Starting Motor
Cummins®

Introduction

The Cummins 2871253 Starter Motor is a component designed for use in commercial trucks. Its purpose is to initiate the engine start-up process, ensuring that the truck can be reliably powered on. This starter motor is significant in the operation of commercial trucks as it provides the necessary torque to turn the engine over, allowing for combustion to begin ¹.

Basic Concepts of Starter Motors

A starter motor is an electric motor that rotates the engine to start the combustion process. It functions by converting electrical energy from the truck’s battery into mechanical energy, which is used to turn the engine’s flywheel. This action compresses the air-fuel mixture in the cylinders, leading to ignition ². The starter motor plays a role in the ignition system by providing the initial mechanical force needed to start the engine.

Purpose of the 2871253 Starter Motor

The Cummins 2871253 Starter Motor is designed to initiate engine start-up in commercial trucks. It ensures reliable performance by providing the necessary torque to turn the engine over. This action allows the engine to reach the speed required for combustion to occur, facilitating a smooth and efficient start-up process ³.

Key Features

The Cummins 2871253 Starter Motor incorporates several key features that enhance its performance and reliability. Its design includes a robust housing that protects internal components from damage. The construction materials used are chosen for their durability and resistance to wear. Additionally, the starter motor may incorporate unique technological advancements such as improved electrical contacts or enhanced gear mechanisms to ensure efficient operation ⁴.

Benefits

The Cummins 2871253 Starter Motor offers several advantages. It provides improved starting performance, ensuring that the engine can be started quickly and reliably. Its durable construction allows it to withstand the rigors of commercial truck operation, contributing to its longevity. Furthermore, the starter motor is designed to operate efficiently in various conditions, reducing the strain on the truck’s battery and electrical system.

Installation and Compatibility

Proper installation of the Cummins 2871253 Starter Motor is important for ensuring optimal performance. It is designed to be compatible with a range of truck models and engine types, though specific compatibility details should be consulted for each application. Installation procedures typically involve securing the starter motor to the engine, connecting electrical leads, and ensuring all connections are tight and secure.

Maintenance and Troubleshooting

Routine maintenance practices for the Cummins 2871253 Starter Motor include checking electrical connections for corrosion or looseness, ensuring the starter motor is securely mounted, and inspecting for any signs of wear or damage. Common issues that may arise include difficulty starting the engine, unusual noises during start-up, or the starter motor not engaging. Troubleshooting tips may involve checking the battery’s charge, inspecting the starter motor’s electrical connections, and ensuring the engine is not seized.

Performance in Various Conditions

The Cummins 2871253 Starter Motor is designed to perform under a range of environmental and operational conditions. It can operate effectively in extreme temperatures, whether hot or cold, and is built to handle the demands of heavy-duty applications. Its robust design and durable construction allow it to maintain performance even in challenging conditions, ensuring reliable start-up for commercial trucks.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a strong reputation in the commercial truck industry for producing reliable and high-performance components. Its product portfolio includes a wide range of engines, powertrains, and related technologies, serving customers in construction, mining, oil and gas, transportation, and other industries. Cummins is known for its commitment to innovation, quality, and customer satisfaction.

Compatibility of Cummins Starter Motor Part 2871253

The Cummins Starter Motor part number 2871253 is designed to be compatible with a range of Cummins engines, ensuring reliable performance across various applications. This starter motor is engineered to fit seamlessly with the following engines:

ISX Series

• ISX CM570
• QSNT14 CM876 N102

The ISX series engines, including the ISX CM570 and QSNT14 CM876 N102, benefit from the robust design of the 2871253 starter motor. This compatibility ensures that the starter motor can handle the high torque demands of these engines, providing consistent starting power even in demanding conditions.

M11 Series

• M11 CELECT PLUS

The M11 CELECT PLUS engine is another model that is compatible with the 2871253 starter motor. This compatibility is crucial for maintaining the engine’s efficiency and reliability, ensuring that the starter motor can deliver the necessary power to start the engine quickly and reliably.

QSM Series

• QSM11 CM570

The QSM11 CM570 engine is also designed to work with the 2871253 starter motor. This compatibility is essential for ensuring that the engine can start efficiently, even in challenging environments.

QSX Series

• QSX15 CM2250
• QSX15 CM2250 ECF
• QSX15 CM2350 X105

The QSX series engines, including the QSX15 CM2250, QSX15 CM2250 ECF, and QSX15 CM2350 X105, are compatible with the 2871253 starter motor. This compatibility ensures that these high-performance engines can start reliably, even under heavy loads and in extreme conditions.

NH/NT Series

• NH/NT 855

The NH/NT 855 engine is also compatible with the 2871253 starter motor. This compatibility is crucial for ensuring that the engine can start efficiently, even in demanding applications.

By ensuring compatibility with these engines, the 2871253 starter motor from Cummins provides a reliable and efficient solution for starting a wide range of Cummins engines. This compatibility is a testament to Cummins’ commitment to quality and performance in their engine components.

Role of Part 2871253 Starter Motor in Engine Systems

The part 2871253 starter motor is a component in the engine system, facilitating the initial rotation of the engine to start the combustion process. When the ignition key is turned, the starter motor engages with the flywheel or flexplate through the starter solenoid and pinion gear. This engagement allows the starter motor to transfer rotational force, initiating the engine’s operation.

In conjunction with the battery, the starter motor draws electrical current to power its operation. The battery supplies the necessary voltage to the starter motor, enabling it to generate the torque required to turn the engine over. The starter motor’s performance is influenced by the condition of the battery, as a weak battery may not provide sufficient power for reliable starting.

The starter motor also interacts with the ignition system. Once the engine starts, the ignition system takes over, igniting the air-fuel mixture in the cylinders to maintain engine operation. The starter motor disengages from the flywheel or flexplate, allowing the engine to run independently.

Additionally, the starter motor works in tandem with the engine’s lubrication system. Before the engine reaches operating temperature, the lubrication system ensures that vital components, including the starter motor, receive adequate oil flow to reduce friction and wear.

In summary, the part 2871253 starter motor plays a role in the engine system by providing the initial rotational force needed to start the engine. Its interaction with the battery, ignition system, and lubrication system ensures a smooth and reliable starting process.

Conclusion

The Cummins 2871253 Starter Motor is a critical component for the reliable start-up of commercial truck engines. Its robust design, compatibility with various Cummins engines, and integration with the engine system ensure efficient and reliable performance. Proper installation, maintenance, and troubleshooting are essential for maximizing the lifespan and performance of this Cummins part.