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Caterpillar 3066 Engine Assembly · Power and Reliability Combined
In the world of heavy machinery, the engine is the beating heart of every machine. For those who demand high efficiency and long-lasting performance, a reliable engine assembly means continuous power and steady productivity.
The Caterpillar 3066 Engine Assembly is exactly that—a classic power solution trusted across industries.
Why Choose the Caterpillar 3066 Engine?
As a 6-cylinder inline diesel engine developed by Caterpillar, the 3066 engine assembly is known for its durability, efficiency, and powerful output. Whether it’s on construction sites, mining operations, or industrial equipment, it consistently delivers dependable performance.
Key Features:
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Strong Power: Inline 6-cylinder design provides smooth operation with high torque for heavy-duty applications.
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Durability: Rugged construction ensures a long service life under tough working conditions.
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Fuel Efficiency: Optimized combustion lowers fuel consumption and operating costs.
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Easy Maintenance: Standardized components and wide parts availability make servicing simple and cost-effective.
The Value of a Complete Engine Assembly
Unlike individual parts, a complete engine assembly includes the cylinder block, crankshaft, camshaft, fuel system, cylinder head, and other essential components.
This means there’s no need to worry about mismatched parts or complicated installations. By replacing the full assembly, your machine can return to peak performance quickly.
Applications
The Caterpillar 3066 engine assembly is widely used in:
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Excavators
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Loaders
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Bulldozers
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Generator sets
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Various industrial equipment
From deserts to highlands, from quarries to construction sites, the 3066 engine assembly proves its strength and stability in even the harshest conditions.
Conclusion
Choosing the Caterpillar 3066 Engine Assembly is more than just purchasing an engine—it’s investing in reliable productivity and long-term performance.
It minimizes downtime, boosts efficiency, and keeps your heavy equipment running at its best.
⚡ Caterpillar 3066 Engine Assembly — The Reliable Heart of Heavy-Duty Equipment. ⚡





FAQ
How can I place an order?
You can place an order through our user-friendly online platform or by contacting our sales team directly. Simply browse our catalog, select the parts you need, and follow the checkout process to complete your order.
Do you offer bulk purchasing options?
Yes, we offer competitive pricing for bulk orders. If you are interested in purchasing large quantities of parts, please contact our sales team to discuss your requirements and receive a customized quote.
Can I return or exchange parts if I change my mind?
Yes, we accept returns and exchanges within [insert return period, e.g., 30 days] of purchase. The items must be unused and in their original packaging. Please contact our customer service team to initiate a return or exchange.
Do you provide warranties on your products?
Yes, we stand by the quality of our products. Most parts come with a warranty that covers manufacturing defects. Please refer to the specific warranty information provided with your purchase or contact our customer service team for details.
Are your parts compatible with all excavator brands?
Weihuparts strives to offer parts compatible with a wide range of excavator brands and models. However, we recommend checking the product specifications or consulting with our team to ensure compatibility with your specific excavator.

The brand-new ISUZU 4LE2 engine assembly by Weihuparts is a complete diesel engine designed for multiple excavator models. This OEM 4LE2 engine assembly ensures reliable performance and durability, making it ideal for your excavator needs. Upgrade with the trusted 4LE2 engine for excavators today.

This CAT 336D hydraulic pump is built for power, durability, and optimal performance. It is designed to fit Caterpillar 336D excavators and is available in both OEM and high-quality aftermarket versions. Whether you're replacing a damaged pump or upgrading your hydraulic system, this part ensures long-lasting and reliable operation in demanding construction environments.
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✔️ Direct fit for CAT 336D excavators
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✔️ Available in OEM or premium aftermarket
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✔️ High-pressure performance for heavy-duty operations
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✔️ Smooth and efficient hydraulic flow
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✔️ Rigorously tested for quality and durability
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✔️ Global shipping and responsive support
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The CAT 349GC hydraulic pump is engineered to deliver efficient and reliable hydraulic power for Caterpillar 349GC excavators. Manufactured using premium materials and precision engineering, this pump is suitable for OEM replacement or high-quality aftermarket upgrades. It ensures smooth hydraulic flow, durability, and optimal performance even in the most demanding working conditions.
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✔️ Direct fit for CAT 349GC excavators
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✔️ OEM and aftermarket options available
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✔️ High-pressure performance for heavy-duty applications
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✔️ Manufactured with high-strength alloys and quality seals
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✔️ Tested for reliability and longevity
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✔️ Fast global shipping and responsive customer support
- 🚜 Order your CAT 349GC Hydraulic Pump now!
📞 Contact us for bulk pricing, customization, and technical support.
📦 Worldwide shipping available. OEM & aftermarket options.

The CAT 980H and 980G hydraulic pumps are engineered to provide optimal hydraulic power and durability for Caterpillar loaders. Built with premium materials and precision manufacturing, these pumps are ideal for OEM replacements and high-quality aftermarket upgrades. They ensure smooth hydraulic operation and reliable performance in demanding construction environments.
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✔️ Direct fit for CAT 980H and 980G loaders
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✔️ Available in OEM and aftermarket versions
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✔️ High-pressure, heavy-duty hydraulic performance
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✔️ Manufactured with high-strength alloys and quality seals
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✔️ Tested for durability and efficiency
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✔️ Fast global shipping and excellent customer support
- 🛒 Order your CAT 980H & 980G Hydraulic Pump now!
📞 Contact us for bulk orders, technical support, or custom requests.
📦 Fast worldwide shipping | OEM & aftermarket options available -