3945794
Dipstick
Cummins®

The Cummins 3945794 Dipstick is a component designed for use in commercial trucks, specifically for monitoring engine oil levels. Its role in the maintenance and operation of these vehicles is significant, as it aids in ensuring that the engine operates within optimal lubrication conditions, thereby contributing to the overall efficiency and longevity of the truck ¹.

Basic Concepts of a Dipstick

A dipstick is a tool used to measure the level of fluid within a container, such as an engine oil reservoir. It operates by being inserted into the oil fill tube and then withdrawn to observe the oil level marked on the dipstick. This simple yet effective mechanism allows for quick assessments of fluid levels, which is vital for the proper functioning of an engine ².

Purpose of the Cummins 3945794 Dipstick

The Cummins 3945794 Dipstick serves to indicate the oil level within the engine of a truck. By providing accurate readings, it ensures that the engine components receive adequate lubrication. Proper lubrication is necessary to reduce friction and wear on moving parts, maintain engine temperature, and prevent damage from metal-to-metal contact ³.

Key Features

The Cummins 3945794 Dipstick is characterized by its specific design and material properties that contribute to its performance and durability. It is constructed from materials that resist corrosion and high temperatures, ensuring longevity even in demanding environments. The dipstick’s length is tailored to fit the oil fill tube of compatible engines, and it features clear markings for easy reading of oil levels. Additionally, the construction materials are chosen for their strength and resistance to wear, ensuring the dipstick can withstand repeated use without degradation.

Benefits of Using the Cummins 3945794 Dipstick

Utilizing the Cummins 3945794 Dipstick offers several advantages. It provides precise oil level readings, which are crucial for maintaining the correct amount of lubrication in the engine. Its design facilitates ease of use, allowing for quick and straightforward oil level checks. Moreover, it is specifically engineered to be compatible with Cummins engines, ensuring a proper fit and function within the system.

Troubleshooting and Maintenance

Common issues with dipsticks may include inaccurate readings due to contamination or physical damage from wear and tear. To maintain the dipstick in optimal condition, it is recommended to clean it regularly with a lint-free cloth before each use to remove any debris or oil residue that could affect readings. If the dipstick shows signs of damage, such as bends or cracks, it should be replaced to ensure accurate measurements and prevent potential engine damage.

Installation and Usage

To install and use the Cummins 3945794 Dipstick, follow these steps: Ensure the vehicle is on a level surface and the engine is off. Locate the oil fill cap on the engine and remove it. Insert the dipstick fully into the tube until it reaches the bottom, then withdraw it and observe the oil level indicated on the dipstick. For accurate readings, wipe the dipstick clean, reinsert it, and check the level again. Always refer to the vehicle’s manual for specific instructions and safety precautions.

Cummins 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 reputation for quality, reliability, and innovation in the commercial truck industry. The company offers a wide range of products and services designed to meet the needs of customers across various sectors, including transportation, construction, and power generation.

Cummins Engine Dipstick 3945794 Compatibility

The Cummins Dipstick part number 3945794 is designed to be compatible with a variety of Cummins engine models. Here is a detailed breakdown of its compatibility across different engine series:

ISL Series Engines

• ISL CM2150
• ISL CM554
• ISL9 CM2150 SN
• ISL9 CM2250

The ISL series engines, including the ISL CM2150, ISL CM554, ISL9 CM2150 SN, and ISL9 CM2250, are designed for heavy-duty applications and are commonly used in various industries such as construction, mining, and transportation. The dipstick 3945794 fits these engines, ensuring accurate oil level readings and facilitating proper maintenance.

L GAS PLUS Series

• L GAS PLUS CM556

The L GAS PLUS CM556 engine is part of the L series, which is known for its reliability and efficiency in generating power. The dipstick 3945794 is engineered to work seamlessly with this model, providing users with an essential tool for monitoring oil levels.

QSL Series Engines

• QSL8.9 CM2150 L141
• QSL9 CM2250
• QSL9 CM2350 L102
• QSL9 CM554
• QSL9 CM850 (CM2850)

The QSL series engines, including the QSL8.9 CM2150 L141, QSL9 CM2250, QSL9 CM2350 L102, QSL9 CM554, and QSL9 CM850 (CM2850), are designed for a range of applications from industrial to marine. The dipstick 3945794 is compatible with these engines, ensuring that users can maintain optimal oil levels, which is crucial for engine performance and longevity.

This compatibility ensures that the dipstick 3945794 can be used across multiple Cummins engine models, providing a reliable method for checking oil levels and ensuring the engines operate efficiently.

Role of Part 3945794 Dipstick in Engine Systems

The part 3945794 dipstick is an essential component in the accurate measurement and monitoring of oil levels within an engine system. It interfaces directly with the oil level gauge, providing a physical means to assess the quantity of oil present in the engine’s crankcase.

When the dipstick is inserted into the engine, it comes into contact with the oil, allowing for a direct reading of the oil level. This reading is then transferred to the oil level gauge, which displays the information to the operator or mechanic. The gauge relies on the dipstick’s measurement to indicate whether the oil level is within the acceptable range, prompting necessary actions such as adding oil if levels are low.

The dipstick also plays a role in the overall maintenance and diagnostic processes of the engine. By regularly checking the oil level with the dipstick, mechanics can monitor the engine’s health, identify potential leaks, and ensure that the lubrication system is functioning correctly. This proactive approach helps in maintaining optimal engine performance and longevity.

Conclusion

The Cummins 3945794 Dipstick is a vital component for maintaining the health and efficiency of Cummins engines. Its precise design and compatibility with various engine models make it an indispensable tool for ensuring proper lubrication and engine performance. Regular maintenance and correct usage of this Cummins part are essential for the longevity and reliability of commercial trucks.