3304 Turbocharger 4N-6859 6N-8477 for Caterpillar Engine Parts Excavator

Product Details

Product Overview

This high-performance turbocharger, referenced as 4N-6859 and 6N-8477, is a precision-engineered replacement component specifically designed for the Caterpillar 3304 diesel engine. As a critical part of the air induction system, this turbocharger is responsible for forcing extra compressed air into the combustion chamber, significantly boosting engine power, fuel efficiency, and overall performance.

Commonly utilized in heavy-duty industrial and construction machinery, this turbocharger is suitable for a wide range of applications including excavators, trucks, forklifts, bulldozers, buses, and loaders. It is manufactured to OEM specifications, ensuring a direct fit and reliable operation. This unit is ideal for equipment owners and fleet managers looking to restore or enhance the performance of their Caterpillar-powered machinery.

Key Features & Benefits

• OEM Standard Fitment: Manufactured to the exact dimensions and specifications of the original 4N-6859 and 6N-8477 parts, guaranteeing a seamless installation without modifications.
• Enhanced Engine Performance: Delivers a significant increase in horsepower and torque, allowing your Caterpillar 3304 engine to handle demanding workloads with greater efficiency.
• Improved Fuel Economy: By optimizing the air-to-fuel ratio, this turbocharger promotes more complete combustion, leading to reduced fuel consumption and lower operating costs.
• Durable Construction: Built with high-grade materials to withstand extreme temperatures and high rotational speeds, ensuring a long service life even in the most challenging environments.
• Rigorous Quality Control: Each unit undergoes a comprehensive machinery test report and video outgoing inspection to verify performance and reliability before shipment.
• Cost-Effective Solution: Offers a competitive price advantage compared to genuine OEM parts while maintaining high performance and durability standards.

Technical Specifications

OEM Cross-Reference

This turbocharger is a direct replacement for the following original Caterpillar part numbers. Please verify your existing part number to ensure compatibility.

• Caterpillar OEM Number: 4N-6859
• Caterpillar OEM Number: 6N-8477

Note: These cross-references are provided for identification purposes. Always confirm the physical dimensions and configuration with your original part.

Compatibility

This turbocharger is specifically designed for the Caterpillar 3304 diesel engine. It is commonly used for the following types of heavy equipment:

• Excavators
• Trucks & Highway Vehicles
• Forklifts
• Bulldozers
• Buses
• Wheel Loaders
• Generator Sets and Industrial Pumps

Fitment Disclaimer: While this part is designed for the 3304 engine, vehicle and equipment configurations vary. We recommend consulting your equipment’s service manual or a qualified mechanic to confirm fitment for your specific application.

Global Supply & Distribution

We are a dedicated supplier of heavy-duty engine components with a robust global distribution network. Our logistics team ensures efficient and timely delivery to meet the demands of international B2B clients.

• Worldwide Shipping: We ship to all major industrial regions, including North America, Europe, Southeast Asia, the Middle East, Africa, and Oceania.
• Major Ports: We offer fast, reliable shipping from our warehouses in Guangzhou and Guizhou, China, with direct access to major international ports.
• Trade Compliance: We have extensive experience in international trade, handling all necessary customs documentation and ensuring compliance with global shipping regulations.
• Bulk Orders: We welcome wholesale and bulk purchase inquiries, offering competitive pricing and volume discounts for fleet operators and parts distributors.

Quality Assurance

Our commitment to quality ensures that every turbocharger meets the highest standards of performance and reliability. We implement rigorous quality control procedures throughout the manufacturing process.

• Manufacturing Standards: Our products are manufactured in ISO-certified facilities, adhering to strict quality management systems.
• Testing: Each turbocharger is tested for balance, pressure, and airflow. A Machinery Test Report is provided with every unit.
• Inspection: We conduct a Video Outgoing Inspection to visually confirm the product’s condition before it is packaged and shipped.
• Warranty: All units come with a standard 6-month warranty against manufacturing defects, providing you with peace of mind.

FAQ

Q1: How can I confirm this turbocharger will fit my specific engine?
A: First, locate the part number on your existing turbocharger or in your engine’s service manual. If it matches 4N-6859 or 6N-8477, this unit is a direct replacement. You should also verify that your engine is a Caterpillar 3304 model. If you are unsure, please provide us with a photo of your old turbocharger and the engine serial number for verification.

Q2: What is the recommended installation procedure for this turbocharger?
A: Installation should be performed by a qualified diesel mechanic. Key steps include cleaning all oil and air lines to prevent debris from entering the new turbo, replacing the oil supply and drain gaskets, and pre-lubricating the turbocharger with clean engine oil before starting the engine. After installation, the engine should be idled for a few minutes to ensure proper oil circulation before operating under load.

Q3: How do I maintain this turbocharger to ensure a long service life?
A: Regular maintenance is crucial. Always use high-quality engine oil and change it according to the manufacturer’s schedule. Ensure the air filter is clean and properly sealed to prevent unfiltered air from damaging the compressor wheel. After heavy use, allow the engine to idle for 2-3 minutes before shutting it down to allow the turbocharger to cool and prevent oil coking.