3914460
Fan Pulley
Cummins®

Name: 3914460 Cummins | Fan Pulley
Brand: Cummins
SKU: 3914460
Price: 109.95 USD
Availability: InStock
Rating: 5 (1 reviews)

IN STOCK

4 are currently available

Ships within 1 business day

$109.95 $130.84

Quantity

Genuine OEM Part

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.

Manufacturer Warranty*

We honor the warranty provided by the original equipment manufacturer.

DESCRIPTION

Introduction

The Cummins 3914460 Fan Pulley is a critical component in the engine cooling system of commercial trucks, designed to ensure optimal engine temperature and efficiency ². This part is engineered to work seamlessly with other cooling system components, contributing to the longevity and performance of the engine.

Basic Concepts of Fan Pulleys

A fan pulley is a mechanical device that drives the engine cooling fan, connected to the engine’s crankshaft via a belt ¹. Its role is to rotate the fan, drawing air through the radiator to dissipate heat from the engine coolant. The effective operation of a fan pulley is essential for maintaining optimal engine temperature, which is crucial for engine performance and longevity.

Role of the 3914460 Fan Pulley in Truck Operation

The Cummins 3914460 Fan Pulley is responsible for transferring rotational force from the engine to the cooling fan, ensuring the fan operates at the correct speed to provide adequate airflow through the radiator ². This interaction is crucial for the efficient operation of the engine cooling system.

Key Features

This Cummins part is characterized by its robust design and the use of high-quality materials, crafted to withstand the rigors of commercial truck operation ². Features may include a precision-machined surface for optimal belt grip and a balanced structure to minimize vibration during operation.

Benefits

The use of the 3914460 Fan Pulley offers several advantages, including improved engine cooling efficiency, reduced wear on engine components due to lower operating temperatures, and enhanced overall performance and reliability of the truck ².

Troubleshooting and Maintenance

Regular inspection and maintenance of the 3914460 Fan Pulley are recommended to ensure its longevity and optimal performance ¹. Signs of wear or failure may include unusual noises, a loose or slipping belt, or inadequate cooling performance. Maintenance practices may involve checking the belt tension, inspecting the pulley for signs of wear or damage, and ensuring that all connections are secure.

Compatibility with Specific Engines

4B3.9 and 6B5.9 Engines

The 3914460 is specifically engineered to fit the 4B3.9 and 6B5.9 engines, known for their robust performance and reliability in heavy-duty applications ².

B5.9 G Engine

This part is also compatible with the B5.9 G engine, designed for applications requiring a balance of power and efficiency ².

ISB CM550 and ISBE CM800 Engines

The 3914460 is suitable for the ISB CM550 and ISBE CM800 engines, part of Cummins’ advanced engine lineup, known for their high performance and fuel efficiency ².

Design and Functionality

This part is designed with precision to fit these engines, ensuring a secure and efficient connection. Its robust construction and precise engineering make it a reliable component for maintaining the engine’s cooling system ².

Installation and Maintenance

Installing the 3914460 is straightforward, thanks to its precise fit and design. Regular maintenance checks are recommended to ensure the pulley remains in good condition and continues to perform efficiently ¹.

Role of 3914460 Fan Pulley in Engine Systems

Interaction with the Drive System

The fan pulley is mounted on the crankshaft or a dedicated shaft and is driven by a belt connected to the engine’s crankshaft pulley. This mechanical linkage ensures that as the engine runs, rotational force is transmitted from the crankshaft to the fan pulley ².

Function with the Fan

The primary role of the fan pulley is to drive the engine fan. As the pulley rotates, it causes the fan blades to spin, generating airflow directed over the engine’s radiator. The radiator is responsible for dissipating heat from the engine coolant, thus playing a significant role in maintaining optimal engine operating temperatures ².

Conclusion

The 3914460 Fan Pulley serves as a vital link between the engine’s drive system and the cooling fan, ensuring that the engine remains within safe operating temperatures by facilitating efficient airflow over the radiator. Regular maintenance and proper installation are key to ensuring the longevity and efficiency of this critical component.

Ben Watson. Mobile Equipment Hydraulics A Systems and Troubleshooting Approach. Cengage Learning, 2011.
↩ ↩ ↩
Karsten Berns, Klaus Dressler, Patrick Fleischmann, Daniel Grges, Ralf Kalmar, Bernd Sauer, Nicole Stephan, Roman Teutsch, Martin Thul. Proceedings of the 5th Commercial Vehicle Technology Symposium CVT. Springer, 2018.
↩ ↩ ↩ ↩ ↩ ↩ ↩ ↩ ↩ ↩

SPECIFICATIONS

Hazard Description

Non-Hazardous (NOI, ICE/Auto)

Package Dimensions

11.0 x 11.0 x 9.0 in

Weight

3 lbs

RECOMMENDED PARTS

* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.

3914460 Fan Pulley Cummins®