110481
Throttle Lever
Cummins®

The Cummins 110481 Throttle Lever is a component designed for use in Cummins engines, specifically tailored for commercial truck applications. Its purpose is to facilitate the control of engine speed and power output, which is fundamental to the efficient operation of these vehicles. This Cummins part is integral to ensuring that the engine operates within its optimal performance range, thereby contributing to the overall functionality and reliability of the truck ¹.

Basic Concepts of Throttle Levers

A throttle lever is a mechanical device used in engine systems to regulate the amount of fuel and air mixture entering the engine. By adjusting the position of the throttle lever, the driver can control the engine’s speed and power output. This control is achieved through the modulation of the throttle plate within the carburetor or the electronic control unit in fuel-injected engines. The throttle lever’s role is significant in maintaining the desired engine performance under varying load conditions ².

Role of the 110481 Throttle Lever in Truck Operation

The Cummins 110481 Throttle Lever operates within Cummins engines by interacting with various engine components to modulate engine speed and power. When the driver moves the throttle lever, it sends a signal to the engine control system, which adjusts the fuel delivery and air intake accordingly. This interaction allows for precise control over the engine’s performance, enabling the truck to respond effectively to changes in driving conditions. The throttle lever’s design ensures smooth and responsive operation, which is vital for the safe and efficient operation of commercial trucks ³.

Key Features

The Cummins 110481 Throttle Lever is characterized by several key features that enhance its functionality and durability. Its design incorporates high-quality materials that are resistant to wear and corrosion, ensuring long-lasting performance in demanding environments. The lever is engineered for ease of use, with a contoured shape that provides a comfortable grip for the driver. Additionally, the throttle lever is equipped with precise calibration mechanisms that allow for accurate control of engine speed and power, contributing to the overall efficiency and reliability of the truck ⁴.

Benefits

The Cummins 110481 Throttle Lever offers several advantages that contribute to improved engine control and driver experience. By providing precise modulation of engine speed and power, it enables more efficient operation, potentially leading to increases in fuel efficiency and performance. The enhanced control offered by the throttle lever allows drivers to respond more effectively to varying road conditions, improving safety and driving comfort. Furthermore, the durable construction of the throttle lever ensures long-term reliability, reducing the need for frequent replacements and maintenance.

Troubleshooting and Maintenance

Common issues that may arise with the Cummins 110481 Throttle Lever include wear and tear, misalignment, or sticking due to dirt or debris. Regular maintenance practices, such as cleaning the lever and its components, checking for proper alignment, and lubricating moving parts, can help prevent these issues. If problems do occur, troubleshooting steps may involve inspecting the lever for damage, ensuring that all connections are secure, and adjusting the lever’s position as necessary. In cases where the throttle lever is beyond repair, replacement with a compatible part is recommended to restore optimal engine performance.

Compatibility with Cummins Engines

The Cummins Throttle Lever part number 110481 is designed to fit a variety of Cummins engines, ensuring smooth and precise control over engine power. This part is integral to the operation of several engine models, providing a reliable interface between the operator and the engine’s power output.

K-Series Engines

• K19: The Throttle Lever 110481 is compatible with the K19 engine, ensuring precise control over the engine’s power output.
• K38: This part fits seamlessly with the K38 engine, providing reliable and smooth throttle control.
• K50: The K50 engine is also compatible with the Throttle Lever 110481, offering consistent performance and ease of use.

L-Series Engines

• L10 MECHANICAL: The Throttle Lever 110481 is designed to fit the L10 MECHANICAL engine, ensuring that the operator can efficiently manage the engine’s power.

M-Series Engines

• M11 CELECT PLUS: The Throttle Lever 110481 is compatible with the M11 CELECT PLUS engine, providing precise control over the engine’s power.
• M11 MECHANICAL: This part fits the M11 MECHANICAL engine, ensuring smooth and reliable throttle operation.

N-Series Engines

• N14 MECHANICAL: The Throttle Lever 110481 is designed to fit the N14 MECHANICAL engine, offering consistent and precise control over engine power.

NH/NT Series Engines

• NH/NT 855: The Throttle Lever 110481 is compatible with the NH/NT 855 engine, ensuring efficient and reliable throttle control.

V-Series Engines

• V28: The Throttle Lever 110481 fits the V28 engine, providing smooth and precise control over engine power.
• V903: This part is also compatible with the V903 engine, ensuring reliable and consistent throttle operation.

The Cummins Throttle Lever part number 110481 is engineered to provide a seamless fit and function across these various engine models, ensuring that operators can manage engine power effectively and reliably.

Role of 110481 Throttle Lever in Engine Systems

The Throttle Lever, designated as part 110481, is an integral component within various engine systems, facilitating precise control over engine performance. This lever is directly connected to the carburetor or fuel injection system, allowing the operator to modulate the air-fuel mixture entering the engine.

When the throttle lever is moved, it adjusts the position of the throttle plate within the carburetor or the amount of fuel injected, thereby controlling the engine’s RPM (revolutions per minute). This action is essential for maintaining the desired engine speed and power output under varying operational conditions.

In conjunction with the governor system, the throttle lever ensures that the engine operates within its optimal range. The governor mechanism automatically adjusts the throttle setting to maintain a constant speed, compensating for changes in load or external conditions.

Additionally, the throttle lever interacts with the linkage system, which includes components such as the throttle cable and various brackets. This linkage system transmits the operator’s input from the throttle lever to the carburetor or fuel injectors, ensuring a smooth and responsive engine operation.

The integration of the throttle lever with the engine’s electronic control unit (ECU) in modern engines allows for more sophisticated control algorithms. These algorithms can adjust fuel delivery and ignition timing in real-time, enhancing efficiency and performance.

Overall, the throttle lever plays a significant role in the dynamic management of engine power, ensuring that the engine responds accurately and efficiently to the operator’s commands.

Conclusion

The Cummins 110481 Throttle Lever is a critical component in the efficient operation of Cummins engines, particularly in commercial truck applications. Its design and functionality ensure precise control over engine speed and power, contributing to the overall performance and reliability of the vehicle. Regular maintenance and proper troubleshooting can help maintain the lever’s effectiveness, ensuring long-term durability and optimal engine performance.