4959505
Engine Alignment Screw
Cummins®

Introduction

The Cummins 4959505 Engine Alignment Screw is a component designed to facilitate the proper alignment and mounting of the engine within the chassis of heavy-duty trucks. Its role is significant in ensuring that the engine operates within specified parameters, contributing to the overall stability and performance of the vehicle ¹.

Purpose and Function

This Cummins part plays a role in ensuring that the engine is correctly positioned within the truck’s chassis. This alignment is vital for the engine’s stability and performance, as it helps to maintain the engine’s balance and reduces the potential for excessive vibration. Proper alignment also ensures that the engine mounts are under the correct amount of stress, which can contribute to the longevity of both the engine and the mounts ².

Key Features

The 4959505 is crafted from high-quality materials that provide durability and resistance to the stresses encountered in heavy-duty applications. Its design includes precise threading and a robust construction that allows it to withstand the rigors of engine operation. These characteristics enhance the screw’s effectiveness in maintaining engine alignment over time ³.

Benefits

Utilizing this part offers several advantages. It contributes to improved engine stability by ensuring that the engine is mounted correctly. This can lead to reduced vibration during operation, which in turn can enhance the longevity of engine components. Additionally, proper alignment can improve the efficiency of the engine, potentially leading to better fuel economy and performance ⁴.

Installation Process

Installing the 4959505 requires attention to detail to ensure proper function. The procedure involves securing the screw in the designated location on the engine mount, ensuring that it is aligned correctly with the chassis. It is important to use the recommended torque settings to avoid over-tightening, which could damage the screw or the engine mount, or under-tightening, which could lead to improper alignment ⁵.

Maintenance and Troubleshooting

Regular maintenance of the 4959505 is important to ensure continued optimal performance. This includes checking the screw for signs of wear or damage and ensuring that it remains properly torqued. Common issues may include loosening of the screw or damage due to corrosion. Troubleshooting these issues typically involves re-torquing the screw or, in the case of damage, replacing it with a new one ⁶.

Manufacturer Information

Cummins Inc. is a well-established company with a long history in the automotive industry, particularly in the manufacturing of diesel engines and related components. The company is known for its commitment to quality and innovation, which is reflected in the design and manufacturing of components like the 4959505. Cummins’ reputation for producing reliable and high-performance engine parts makes it a trusted name in the industry ⁷.

Compatibility with Cummins Engines

The Engine Alignment Screw, identified by part number 4959505, is a component used in the assembly and maintenance of various Cummins engines. This screw is designed to ensure precise alignment during the engine assembly process, which is crucial for optimal performance and longevity of the engine.

KTA19GC Series

The KTA19GC engine is a part of the KTA series, which is known for its robust design and reliability in industrial applications. The 4959505 is integral to the assembly of the KTA19GC engine, ensuring that all components are correctly aligned during installation.

KTA19GC CM558

The KTA19GC CM558 is a variant of the KTA19GC engine, featuring specific modifications for enhanced performance and efficiency. The alignment screw (4959505) plays a pivotal role in maintaining the precise alignment of the engine components, ensuring that the engine operates smoothly and efficiently.

KTA38GC CM558

Similar to the KTA19GC CM558, the KTA38GC CM558 is another variant in the KTA series. This engine is designed for heavy-duty applications, and the 4959505 is essential for achieving the necessary alignment during assembly, which is critical for the engine’s performance and durability.

QSK38 Series

The QSK38 series engines are known for their versatility and power, making them suitable for a wide range of applications. The 4959505 is used in the assembly of these engines to ensure that all components are correctly aligned, which is vital for the engine’s operational efficiency and reliability.

QSK38 CM2150 MCRS

The QSK38 CM2150 MCRS is a specific model within the QSK38 series, designed for high-performance applications. The alignment screw (4959505) is crucial in this model for maintaining the precise alignment of the engine components, ensuring optimal performance and longevity.

QSK38 CM850 MCRS

The QSK38 CM850 MCRS is another variant in the QSK38 series, tailored for specific industrial needs. The 4959505 is essential in this model for achieving the necessary alignment during assembly, which is critical for the engine’s performance and durability.

Role in Engine Systems

The 4959505 is integral to maintaining the precise positioning and alignment of various engine components. This screw ensures that the engine remains correctly aligned within the vehicle’s chassis, which is essential for optimal performance and longevity of the engine system.

Front Engine Support Mounting

In the front engine support mounting, the 4959505 secures the front engine mount to the subbase. This connection is vital for absorbing vibrations and ensuring that the engine does not shift out of alignment during operation. Proper alignment here prevents undue stress on the engine and transmission, contributing to smoother operation and reduced wear.

Rear Engine Support Mounting

Similarly, in the rear engine support mounting, the 4959505 plays a key role. It fastens the rear engine mount to the subbase, maintaining the engine’s posterior alignment. This is particularly important in vehicles with longitudinally mounted engines, where rearward stability is crucial for balanced engine performance.

Subbase Connection

The subbase serves as a foundational platform for the engine. The 4959505 ensures that both the front and rear engine mounts are firmly attached to this subbase. This secure attachment is essential for distributing the engine’s weight evenly and absorbing shocks from the road, which helps in maintaining the engine’s alignment and reducing the risk of component fatigue.

Front and Rear Engine Supports

The front and rear engine supports are directly influenced by the alignment maintained by the 4959505. These supports not only hold the engine in place but also allow for some movement to absorb vibrations. Proper alignment ensures that these supports function effectively, leading to a more stable and efficient engine operation.

Conclusion

In summary, the 4959505 Engine Alignment Screw is a small yet significant component that ensures the engine remains properly aligned within the vehicle. Its role in connecting the front and rear engine mounts to the subbase is essential for the overall stability and performance of the engine system.