SPARKLING Swing Reducer Replacement – Durable Excavator Parts

The Caterpillar Swing Reducer (Part No. 333‑3073 / 3333073) is a premium swing gearbox designed to restore smooth and powerful 360° rotation in CAT excavators—compatible with 312D, 312DL, 312D2, 312E, 313D, 313D2, 314C, and 314E models. 

It features hardened steel planetary gears, sealed bearings, and robust housing to handle heavy-duty rotational loads while preventing leaks and contamination . Available as genuine OEM or high-quality aftermarket units, this swing reducer ensures a direct-fit replacement and optimized machine performance.

Machine Model
312D L 312C 313D2 GC 313D2
Part Number
333-3073 3333073
Quality
China made
Condition
New
Gross Weight
75 Kg
MOQ
1 Pcs
INQUIRY
Product Details

The SPARKLING swing reducer replacement is designed to keep your excavator performing at its best. Manufactured with precision and engineered for durability, this component plays a crucial role in the smooth rotation of your excavator’s upper structure. Whether you operate Caterpillar, Komatsu, Hitachi, Volvo, or other leading brands, our swing reducer offers perfect compatibility and reliable performance.

Founded in 2013, SPARKLING MACHINERY has focused on providing high-quality excavator parts that withstand tough working conditions. Our swing reducers undergo strict quality control to ensure stability and precision, helping reduce downtime and maintenance costs. This replacement part is built to last, ensuring your excavator runs efficiently and safely even in the most demanding environments.

We understand that excavator parts are critical to your business, so we provide full technical support and customized solutions to meet your specific needs. With competitive pricing and a global sales network, SPARKLING MACHINERY is dedicated to delivering products that increase your equipment’s lifespan while optimizing your investment.

Choose SPARKLING swing reducer replacement for a dependable, cost-effective solution that supports your excavator’s peak performance, backed by years of industry expertise and customer-focused service.

Product Images

  • Caterpillar 333‑3073 swing reducer, 3333073 gearbox, CAT 312D swing gearbox, CAT 312E swing motor, 313D swing reducer, 314C swing gearbox, CAT excavator swing drive, swing reducer replacement
  • Caterpillar 333‑3073 swing reducer, 3333073 gearbox, CAT 312D swing gearbox, CAT 312E swing motor, 313D swing reducer, 314C swing gearbox, CAT excavator swing drive, swing reducer replacement
  • Caterpillar 333‑3073 swing reducer, 3333073 gearbox, CAT 312D swing gearbox, CAT 312E swing motor, 313D swing reducer, 314C swing gearbox, CAT excavator swing drive, swing reducer replacement

Frequently Asked Questions

What is the lead time for receiving excavator parts?

Our typical lead time depends on the complexity and quantity of the order. For standard parts, delivery usually takes between 7 to 14 days. For custom orders, the lead time may vary, but we always strive to ensure timely delivery.

How do you ensure the quality of your parts?

We follow strict quality control procedures throughout the manufacturing process. Our parts are tested for durability, performance, and precision to ensure they meet industry standards and exceed customer expectations.

Can I get technical support for installing your parts?

Absolutely. We provide technical support and guidance for the installation and maintenance of our parts. Our team is available to assist you with any questions or concerns to ensure proper installation and optimal performance.

What types of excavator parts do you manufacture?

We manufacture a wide range of excavator parts, including hydraulic components, undercarriage parts, engine parts, wear parts, and more. Our products are designed to fit a variety of excavator models and are built to meet the highest quality standards.

Get in Touch
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Guangzhou Shuori Machinery Equipment Co., Ltd
No514-515, Hulin Road, Tianhe District, Guangzhou, China.
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