Caterpillar 3306 Excavator Diesel Engine Cylinder Head | 8N6796 7C3906 7N8876

Product Details

Product Overview

This premium aftermarket cylinder head is specifically engineered for the Caterpillar 3306 diesel engine, commonly used in heavy-duty excavators and industrial machinery. Designed to meet or exceed OEM specifications, this cylinder head (referenced by part numbers 8N6796, 7C3906, and 7N8876) is a direct-fit replacement for your Cat engine. We offer global shipping to major markets including North America, Europe, Asia-Pacific, the Middle East, and South America, ensuring fast and reliable delivery to your industrial center or job site.

Key Features & Benefits

• High-Quality Casting: Manufactured from premium cast iron for exceptional strength and thermal stability, reducing the risk of cracking under extreme operating conditions.
• Precision Engineering: Machined to exact OEM tolerances for a perfect seal with the engine block, ensuring optimal compression and preventing coolant or oil leaks.
• Enhanced Durability: Features hardened valve seats and guides for extended service life, even in high-hour applications.
• Direct Fitment: A true bolt-on replacement that requires no modifications, saving valuable installation time and labor costs.
• Rigorous Testing: Each cylinder head undergoes pressure testing to guarantee structural integrity before shipment.

Technical Specifications

OEM Cross-Reference

This cylinder head is a direct replacement for the following OEM part numbers:

• Caterpillar: 8N6796, 7C3906, 7N8876
• Cross-References: 8N6797 (if applicable), consult your engine serial number for exact fitment.
• Note: Always verify your existing part number against the list above to ensure compatibility.

Compatibility

• Engine Models: Caterpillar 3306 Diesel Engine (all variants, including D330, 3306 NA, and 3306 Turbo).
• Vehicle Applications: Caterpillar 225, 235, 245, 320, 325, 330 Excavators; D6D, D6H, D7G Track-Type Tractors; 12G, 14G, 130G Motor Graders; and other industrial equipment utilizing the 3306 engine.
• Year Ranges: Typically found in machinery manufactured from the 1970s through the 1990s. Please confirm with your engine serial number for precise compatibility.

Global Supply & Distribution

We are a leading supplier of heavy-duty engine components with a robust global logistics network. Our distribution capabilities include:

• Worldwide Shipping: Reliable shipping via air, sea, and land to over 50 countries.
• Major Markets: Serving North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands, France), Asia-Pacific (Australia, Singapore, Japan), Middle East (UAE, Saudi Arabia), and South America (Brazil, Chile).
• Fast Delivery: Expedited processing ensures quick dispatch to major ports like Los Angeles, Rotterdam, Shanghai, and Dubai.
• Trade Compliance: Experienced in international export documentation and customs clearance for industrial machinery parts.

Quality Assurance

• Manufacturing Standards: Produced in ISO 9001 certified facilities, ensuring consistent quality control.
• Certifications: Compliant with international quality management systems for heavy-duty parts.
• Warranty: Backed by a comprehensive 12-month warranty against manufacturing defects.
• Testing: Each unit is subjected to 100% pressure testing for cracks and porosity, plus dimensional verification using CMM (Coordinate Measuring Machine) technology.

FAQ

Q1: Is this cylinder head a direct replacement for my Caterpillar 3306 engine?
A: Yes, this cylinder head is designed as a direct bolt-on replacement for the 3306 engine. It matches OEM specifications for dimensions and bolt patterns. However, we always recommend verifying your engine’s serial number and original part number (8N6796, 7C3906, or 7N8876) against our listing to ensure a perfect fit.

Q2: What maintenance steps should be taken after installing a new cylinder head?
A: After installation, it is critical to follow the manufacturer’s torque sequence and specifications for the head bolts. We recommend using new head gaskets and lubricating the bolt threads. After the engine has reached operating temperature, perform a re-torque if specified by the OEM maintenance manual. Monitor for any coolant or oil leaks in the first 10 hours of operation.

Q3: Does this cylinder head include valve springs, seals, or other hardware?
A: This listing is for the bare cylinder head casting only. It does not include valves, springs, seals, or other hardware unless explicitly stated. We recommend transferring your existing components or purchasing a full gasket and valve kit separately for a complete rebuild.