Caterpillar C6.4 320D Excavator Engine Connecting Rod | Part No. 5i7769 | High Strength Steel

Product Details

Product Overview

This premium Caterpillar C6.4 Engine Connecting Rod (Part Number: 5i7769) is a critical component specifically engineered for the Caterpillar 320D Excavator and 320D Efi models. As a direct replacement for the OEM part, this connecting rod is manufactured to the highest standards, ensuring a perfect fit and reliable performance under the demanding conditions of heavy excavation and construction. We serve a global clientele, with major markets in North America, Europe, the Middle East, Southeast Asia, and Australia, ensuring fast and reliable shipping to any industrial hub worldwide.

Key Features & Benefits

• OEM Standard Quality: Manufactured to meet or exceed original Caterpillar specifications (5i7769) for a direct, hassle-free replacement.
• High-Strength Construction: Forged from premium alloy steel, providing exceptional tensile strength and resistance to fatigue under high-stress combustion cycles.
• Precision Engineering: Machined to exact tolerances for precise weight balancing and a perfect fit with the crankshaft and piston pin, reducing vibration and wear.
• Enhanced Durability: Designed to withstand the high torque and thermal loads of the C6.4 diesel engine, ensuring a long service life even in the most rigorous applications.
• Cost-Effective Solution: Offers a high-quality alternative to the original Caterpillar part, providing significant cost savings without compromising on performance or reliability.

Technical Specifications

OEM Cross-Reference

This connecting rod is a direct replacement for the following original equipment manufacturer (OEM) part numbers:

• Caterpillar OEM: 5i7769
• Alternative / Interchange Numbers: 5I-7769 (Hyphenated format)

Note: Always verify your existing part number before purchasing to ensure compatibility.

Compatibility

This connecting rod is specifically designed for the following applications:

• Engine: Caterpillar C6.4 (Electronic Fuel Injection – Efi)
• Excavator Models:
  • Caterpillar 320D
  • Caterpillar 320D Efi

This part is essential for engine overhauls and rebuilds on these specific models.

Global Supply & Distribution

We are a trusted global supplier of heavy machinery engine parts. Our logistics network ensures efficient delivery to clients worldwide.

• Worldwide Shipping: We ship to all continents, including North America, South America, Europe, Africa, the Middle East, and Asia-Pacific.
• Major Ports & Hubs: Fast and reliable shipping to major ports like Houston, Rotterdam, Dubai, Shanghai, and Singapore, as well as direct delivery to inland industrial centers.
• Export Expertise: We have extensive experience in international trade, handling all necessary customs documentation and compliance for smooth cross-border transactions.

Quality Assurance

• Manufacturing Standard: Produced in an ISO 9001 certified facility, ensuring consistent quality control throughout the manufacturing process.
• Testing: Each connecting rod undergoes rigorous inspection, including dimensional checks, material analysis, and hardness testing to guarantee performance.
• Warranty: We offer a comprehensive warranty against manufacturing defects, providing peace of mind for your investment.

FAQ

Q1: Is this connecting rod a direct fit for my Caterpillar 320D engine?
A: Yes, this part (5i7769) is the exact OEM specification for the Caterpillar C6.4 engine found in the 320D and 320D Efi excavators. It is a direct bolt-in replacement. However, we strongly recommend verifying your engine serial number and existing part number to confirm compatibility.

Q2: Do I need to replace the connecting rod bolts when installing this part?
A: Yes, it is a critical best practice to always replace connecting rod bolts with new ones during installation. Connecting rod bolts are torque-to-yield fasteners and can stretch or weaken after their initial use. Reusing them can lead to catastrophic engine failure. We recommend sourcing new OEM-spec bolts for your C6.4 engine.

Q3: What is the recommended maintenance interval for inspecting the connecting rods in a C6.4 engine?
A: The connecting rod itself is a durable component that does not require routine maintenance. However, it should be inspected during any major engine overhaul, typically every 8,000-10,000 hours or as recommended in your Caterpillar service manual. Inspection should focus on signs of stress, such as discoloration (from overheating), cracks, or deformation. Regular oil analysis can also help detect early signs of bearing wear that could affect the connecting rod.