3895756
Lubricating Oil Pump
Cummins®

Introduction

The Cummins 3895756 Lubricating Oil Pump is a vital component in the operation of heavy-duty trucks. Its purpose is to ensure that engine components receive adequate lubrication, which is essential for maintaining engine performance and longevity. This pump is designed to circulate oil throughout the engine, reducing friction and wear on moving parts.

Basic Concepts of Lubricating Oil Pumps

A lubricating oil pump is a device that circulates oil within an engine to lubricate various components. It operates by drawing oil from the oil pan and delivering it under pressure to critical engine parts such as bearings, pistons, and camshafts. Proper lubrication reduces friction, heat, and wear, ensuring the engine runs smoothly and efficiently ¹.

Purpose of the Cummins 3895756 Lubricating Oil Pump

The Cummins 3895756 Lubricating Oil Pump plays a significant role in the operation of a truck by ensuring that all engine components are adequately lubricated. This pump contributes to engine performance by maintaining optimal lubrication levels, which helps in reducing friction and wear. Additionally, it enhances engine longevity by preventing premature wear and tear on critical components.

Key Features

The Cummins 3895756 Lubricating Oil Pump is characterized by several key features that enhance its performance. Its design incorporates high-quality materials that ensure durability and reliability. The pump is engineered to deliver consistent oil pressure, which is vital for effective lubrication. Additionally, it features a robust construction that can withstand the demanding conditions of heavy-duty truck engines.

Benefits of Using the Cummins 3895756 Lubricating Oil Pump

Using the Cummins 3895756 Lubricating Oil Pump offers several benefits. It contributes to improved engine efficiency by ensuring that all moving parts are properly lubricated, which reduces friction and enhances performance. The pump also helps in reducing wear and tear on engine components, leading to extended engine life. Furthermore, it enhances the overall reliability of the engine by maintaining consistent oil pressure and flow.

Installation Process

Installing the Cummins 3895756 Lubricating Oil Pump involves several steps to ensure proper integration into the engine system. Begin by preparing the engine compartment, ensuring that all necessary tools and replacement parts are available. Follow the manufacturer’s instructions for removing the old pump and installing the new one. This may include disconnecting electrical connections, removing mounting brackets, and securing the new pump in place. Ensure all connections are tight and that the pump is properly aligned with the engine’s oil passages.

Maintenance Tips

To ensure optimal performance of the Cummins 3895756 Lubricating Oil Pump, regular maintenance is recommended. This includes inspecting the pump for any signs of wear or damage during routine engine checks. It is also important to monitor oil pressure levels to ensure the pump is functioning correctly. Additionally, keeping the oil clean and changing it at recommended intervals will help maintain the pump’s efficiency and longevity.

Troubleshooting Common Issues

Common issues with the Cummins 3895756 Lubricating Oil Pump may include inconsistent oil pressure, leaks, or pump failure. To address these issues, first, check the oil level and ensure it is within the recommended range. Inspect the pump and its connections for any signs of leaks or damage. If the pump is not delivering consistent pressure, it may be necessary to clean or replace the pump. Consulting the manufacturer’s troubleshooting guide can provide additional steps for resolving specific issues.

Cummins Overview

Cummins Inc. is a renowned manufacturer in the automotive industry, particularly known for its diesel engines and components. Founded in 1919, Cummins has built a reputation for producing high-quality, reliable engines and parts that are used in a variety of applications, including heavy-duty trucks. The company’s commitment to innovation and excellence has made it a leader in the industry, trusted by professionals worldwide ².

Lubricating Oil Pump (Part 3895756) Compatibility with Cummins Engines

The Cummins lubricating oil pump part number 3895756 is designed to be compatible with a range of Cummins engines, ensuring efficient oil circulation and engine protection. Below is a detailed overview of the engines with which this oil pump part is compatible.

ISM Series Engines

• ISM CM570: This engine benefits from the lubricating oil pump part 3895756, ensuring optimal oil flow and pressure for smooth engine operation.
• ISM CM570/870: This dual-engine configuration also utilizes the 3895756 oil pump, providing consistent lubrication across both engine variants.
• ISM11 CM876 SN: The SN variant of the ISM11 series integrates the 3895756 oil pump, ensuring reliable oil distribution and engine health.

L10 Series Engines

• L10 CELECT: The L10 CELECT engine is designed to work seamlessly with the 3895756 oil pump, maintaining the necessary oil pressure for peak performance.
• L10 GAS: This gas-powered L10 engine relies on the 3895756 oil pump to ensure efficient lubrication, enhancing engine longevity.
• L10 MECHANICAL: The mechanical variant of the L10 series also utilizes the 3895756 oil pump, ensuring proper oil circulation and engine protection.

M11 Series Engines

• M11 CELECT: The M11 CELECT engine is compatible with the 3895756 oil pump, providing the necessary lubrication for optimal engine performance.
• M11 CELECT PLUS: This enhanced version of the M11 CELECT engine also uses the 3895756 oil pump, ensuring reliable oil flow and pressure.
• M11 MECHANICAL: The mechanical variant of the M11 series integrates the 3895756 oil pump, ensuring consistent lubrication and engine protection.

QSM11 Series Engines

• QSM11 CM570: This engine is designed to work with the 3895756 oil pump, ensuring efficient oil circulation and pressure for smooth operation.
• QSM11 CM876: The QSM11 CM876 engine also utilizes the 3895756 oil pump, providing the necessary lubrication for optimal engine performance.

This comprehensive compatibility ensures that the Cummins lubricating oil pump part number 3895756 is a reliable choice for maintaining engine health across a wide range of Cummins engine models.

Role of Part 3895756 Lubricating Oil Pump in Engine Systems

The lubricating oil pump, identified as part 3895756, is integral to maintaining the health and efficiency of engine systems. Its primary function is to circulate lubricating oil throughout the engine, ensuring that all moving parts are adequately coated to reduce friction and wear.

Integration with Engine Components

1. Crankshaft and Connecting Rods: The pump delivers oil to the crankshaft and connecting rods, which are subject to high rotational speeds and loads. Consistent lubrication here prevents metal-to-metal contact, which could lead to excessive wear or failure.

2. Camshaft and Valve Train: In overhead cam engines, the pump ensures that the camshaft and valve train components receive a steady supply of oil. This is particularly important for components like lifters, rocker arms, and followers, which experience significant stress during operation.

3. Pistons and Cylinder Walls: Adequate lubrication between pistons and cylinder walls is essential for smooth operation and longevity. The pump facilitates this by maintaining oil pressure within the crankcase.

4. Bearings: Main and rod bearings rely on a continuous flow of oil to function correctly. The pump ensures these bearings are lubricated, which is vital for maintaining engine balance and preventing overheating.

5. Oil Filter: The pump works in conjunction with the oil filter to ensure that contaminants are removed from the circulating oil. Clean oil is crucial for preventing abrasive wear on engine components.

6. Oil Cooler: In systems equipped with an oil cooler, the pump helps regulate oil temperature by circulating it through the cooler, which is especially beneficial in high-performance or high-stress applications.

7. Turbocharger (if applicable): In turbocharged engines, the pump also supplies oil to the turbocharger bearings and seals, ensuring they operate within safe temperature and wear limits.

8. Timing Chain or Belt: For engines with timing chains, the pump provides lubrication to the chain and its associated gears and tensioners, contributing to precise timing and reduced noise.

By effectively circulating lubricating oil, part 3895756 plays a significant role in the overall performance and durability of the engine system.

Conclusion

The Cummins 3895756 Lubricating Oil Pump is a critical component in the maintenance and performance of heavy-duty truck engines. Its role in circulating oil to critical engine parts ensures reduced friction, wear, and enhanced engine longevity. Proper installation, regular maintenance, and troubleshooting common issues are essential for maximizing the benefits of this part. Compatibility with a wide range of Cummins engines further underscores its importance in engine health and efficiency.