ranroswang@hksparkling.com 
+86 138 2341 8469
SPARKLING CAT Excavator Swing Drive
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.
The SPARKLING CAT Excavator Swing Drive is a critical component designed to deliver smooth and reliable rotational motion for your excavator’s upper structure. Engineered with precision and durability in mind, this swing drive ensures optimal performance in a variety of working conditions, from construction sites to mining operations.
As a product of SPARKLING MACHINERY, a trusted name since 2013, this swing drive is manufactured under stringent quality controls to guarantee stability and long service life. Our expertise in excavator parts enables us to provide a product that not only fits CAT models perfectly but also offers excellent compatibility with industry-leading excavator brands.
The swing drive combines robust materials and advanced engineering, ensuring your excavator operates efficiently with reduced downtime. Its design helps maintain smooth rotation, which improves maneuverability and reduces wear on other machine components, ly lowering your maintenance costs.
At SPARKLING, we understand the value of dependable machinery parts. That’s why our CAT excavator swing drive undergoes rigorous testing to meet the highest standards of performance and reliability. In addition to quality products, we offer customized solutions and technical support to meet your specific needs, providing you with a seamless experience from purchase to operation.
Choose SPARKLING CAT Excavator Swing Drive for proven durability, precision, and exceptional value. Enhance your excavator’s performance and minimize operational risks with a component trusted by professionals worldwide.
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FAQ
Are your products covered by a warranty?
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Yes, all of our excavator parts come with a warranty to ensure quality and reliability. The warranty period may vary depending on the type of part. Please contact us for detailed warranty terms for specific products.
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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.
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.
Do you offer customized parts?
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Yes, we offer tailored solutions to meet specific customer requirements. Whether you need custom dimensions or specialized features, we can design and produce parts that perfectly match your excavator’s needs.
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CATERPILLAR EXCAVATOR 312D L 312C 313D2 GC 313D2 333-3073 3333073 SWING REDUCER
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.
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Meeting Kubota OEM standards (RD118-69402), it resists -30°C to 100°C temps, pressure fluctuations, and wear, ensuring seamless compatibility and long-term reliable hydraulic power output.
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Meeting Hyundai OEM standards (31Q8-01330), it resists -30°C to 100°C temps, corrosion, and vibration, ensuring seamless compatibility and long-term reliable protective performance.
Contact us
Email: ranroswang@hksparkling.com
Wechat: +86 136 0901 0879
Skype: foreverlucia1
WhatsApp: +86 136 0901 0879
Address: No. 514-515, Hulin Road, Tianhe District, Guangzhou, China.
Sparkling Machinery Co.,Ltd
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