ranroswang@hksparkling.com 
+86 138 2341 8469
SPARKLING Caterpillar 333‑3073 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.
The SPARKLING Caterpillar 333‑3073 swing reducer is a key component designed to optimize the performance of your excavator’s swing system. Manufactured with strict quality controls, this swing reducer ensures smooth rotational motion of the upper structure, improving overall efficiency and reliability.
Since its founding in 2013, SPARKLING MACHINERY has dedicated itself to providing high-quality excavator parts that combine stability, precision, and longevity. This swing reducer is no exception. Compatible with Caterpillar equipment, it is built using High Quality materials and advanced production techniques, making it an excellent replacement part or upgrade option.
Why choose SPARKLING’s 333‑3073 swing reducer?
- Durability: Crafted to withstand harsh working environments, it resists wear and tear to extend service life.
- Precision: The reducer maintains optimal gear engagement, enabling smooth, precise swing movements and less vibration.
- Reliability: Rigorous testing guarantees the unit performs consistently, reducing unexpected breakdowns and downtime.
- Cost-effective: High performance paired with competitive pricing helps you lower maintenance costs and improve overall productivity.
In addition to the swing reducer, SPARKLING MACHINERY offers a wide range of excavator parts including hydraulic components, undercarriage systems, engine parts, electrical components, cabs, mini excavators, and related accessories for leading brands like Caterpillar, Komatsu, Hitachi, and Volvo.
Our commitment goes beyond products. We provide customized solutions, technical support, and dedicated after-sales service to ensure your excavator parts meet your exact needs. With a global network and a strong focus on quality, SPARKLING MACHINERY is a trusted partner in the excavator industry, helping customers worldwide reduce costs while maintaining high performance.
Choose SPARKLING’s Caterpillar 333‑3073 swing reducer for a dependable, efficient, and long-lasting excavator component you can count on.
About SPARKLING MACHINERY:
Since 2013, SPARKLING MACHINERY has specialized in High Quality excavator parts, emphasizing innovation, quality, and service. Our products are designed for stability and precision to meet the toughest working conditions. We aim to be the world’s top excavator parts manufacturer by delivering competitive prices without compromising quality.
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Q&A
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.
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.
If you have any questions or concern, please contact us.
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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Designed to original equipment standards, it maintains stable power transmission and efficient torque conversion even under continuous operational stress and uneven ground conditions. With optimized gear meshing design for minimal wear and energy loss, it adapts seamlessly to harsh working environments, from construction zones to mining areas. Backed by strict quality verification, it guarantees consistent performance to support uninterrupted machinery operation.
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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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