T04B91 Turbo 409410-5007S 7N-9851 Turbocharger for Caterpillar Earth Moving With 3304 Engine

T04B91 Turbo 409410-5007S 7N-9851 for CAT 3304 Engine 

Product Overview

Heavy-Duty T04B91 Turbocharger for Caterpillar 3304 Earth Moving Engines

• Direct OEM Replacement: Precision-engineered for a 1:1 "drop-in" fit for the legendary Caterpillar 3304 diesel engine, ensuring a seamless replacement process.
• Built for Earth Moving: Specifically designed to handle the variable loads and dusty environments of earth-moving operations, such as grading and loading.
• Superior Heat Resistance: Features a premium K18 Nickel-Alloy Turbine Wheel, capable of maintaining stable boost pressure under extreme thermal conditions.
• VSR High-Speed Balancing: 100% dynamic balancing tested at 150,000+ RPM to ensure ultra-smooth operation, zero vibration, and maximum bearing life.
• Factory Direct Quality: Manufactured by Zhongke Turbo with nearly 30 years of manufacturing excellence (ISO 9001 & IATF 16949 Certified).

Technical Specifications & OEM Cross-Reference

Applications

• Caterpillar Wheel Loaders: 950, 951.
• Caterpillar Tractors / Dozers: D4E, D4D, D5, D5B.
• Caterpillar Motor Graders: 120, 120G, 130G.
• Engine Series: CAT 3304 diesel engines (Common in vintage earth-moving and industrial equipment).
• Part Numbers: 7N-9851, 7N9851, 409410-5007S, 409410-0007, 409410-7, 409410-0004, 409410-0006

FAQs

Q1: How do I verify if this T04B91 turbocharger fits my 3304 engine? 

Please check the nameplate on your current turbocharger for the part number 7N-9851 or 409410-5007S. These are the primary identifiers. If the nameplate is missing, please provide your Engine Serial Number (ESN) to our support team for a free fitment audit.

Q2: Is this turbocharger a direct fit for older Caterpillar equipment? 

Yes. This is a "drop-in" replacement specifically designed for the CAT 3304 engine platform. All mounting points and oil line connections are identical to the original equipment, making it ideal for restoring older machinery.

Q3: What type of warranty do you provide for earth-moving machinery? 

As a direct manufacturer with nearly 30 years of experience, we understand the heavy-duty nature of this equipment and provide full technical support.

Q4: How does Zhongke’s quality compare to the Original Equipment (OE) brands? 

All our turbochargers feature K18 Nickel-Based Alloy Turbine Wheels. Furthermore, every unit undergoes rigorous VSR (Vibration Sorting Rig) High-Speed Balancing at speeds exceeding 150,000 RPM to ensure zero vibration and whisper-quiet operation.

Q5: Do you provide worldwide shipping? What is the delivery timeframe? 

We ship globally via premium carriers like DHL, FedEx, and UPS, as well as sea freight for bulk orders. In-stock items are typically dispatched within 24–48 hours. Express delivery to North America and Europe usually takes 5–7 business days.

About Us

Fengcheng Zhongke Turbocharger Co., Ltd. is a leading high-tech factory specializing in the R&D, production, and global distribution of high-performance turbochargers. Based in Fengcheng—one of the world’s most renowned turbocharger manufacturing hubs—we have grown from a local workshop into a global supplier, serving heavy-duty, commercial, and passenger vehicle markets worldwide.

At Zhongke, we don't just "make" parts.we engineer reliability.

• Material Integrity: We exclusively use K18 Nickel-Alloy turbine wheels, capable of withstanding extreme exhaust temperatures (up to 950°C) without deformation.
• Dynamic Balancing: 100% of our turbochargers undergo high-speed dynamic balancing tests at 150,000+ RPM to guarantee zero vibration and extended bearing life.
• Certified Quality: Our production processes are certified under ISO 9001 and IATF 16949, the gold standards for the global automotive and heavy-machinery industries.

Manufacturing Prowess:Our facility is equipped with state-of-the-art production lines, including precision 5-Axis CNC machining centers, high-speed VSR (Vibration Sorting Rig) balancing machines, and advanced material testing labs.

Our Specialization:We maintain a vast inventory of over 1,500+ turbocharger models, with a focus on heavy-duty and construction machinery engines, including Cummins, Scania, Mercedes-Benz, Iveco, Liebherr, and DAF. Whether it is a single replacement for an excavator or a bulk order for a regional distributor, we deliver "OE Performance at Factory Direct Pricing.

Global Partnership & Support: Zhongke Turbo is more than just a manufacturer; we are your long-term technical partner. With nearly 30 years of export experience, we understand the logistics and technical requirements of the international market. We provide a warranty and dedicated technical support to help our partners succeed.

• Key Export Regions: North America, Europe, the Middle East, Africa, Latin America, and Southeast Asia.
• Focus Areas: CAT 3304 turbo supplier, 7N9851 replacement turbo Europe, earthmoving engine parts distributor Australia, heavy equipment turbocharger South America.

Experience the difference of nearly 30 years of factory expertise. Contact us today for wholesale inquiries or technical consultations.