ranroswang@hksparkling.com 
+86 138 2341 8469
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.
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.
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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.
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.
KOMATSU HIGH-QUALITY EXCAVATOR PARTS MADE IN CHINA NEW BR200S BR550JG BR580JG PC270 PC270LL 702-75-04600 RELIEF VALVE SPARKLING MACHINERY
SPARKLING MACHINERY NEW BR200S BR550JG BR580JG PC270 PC270LL 702-75-04600 Relief Valve is a core hydraulic safety component for Komatsu BR200S/BR550JG/BR580JG/PC270/PC270LL excavators (heavy-duty construction/mining use). It regulates and limits maximum hydraulic system pressure to prevent overload damage to pumps, hoses, and actuators.
Meeting Komatsu OEM standards (702-75-04600), it resists -30°C to 100°C temps, pressure fluctuations, and contamination, ensuring seamless compatibility and long-term reliable pressure protection.
HIGH-QUALITY EXCAVATOR PARTS MADE IN CHINA NEW A0070056099 WATER SEPARATOR FILTER BOWL SPARKLING MACHINERY
SPARKLING MACHINERY NEW A0070056099 Water Separator Filter Bowl is a core fuel system component for excavators (heavy-duty construction/mining use). It separates water and contaminants from fuel to protect engines from corrosion and wear.
Meeting high OEM standards (A0070056099), it resists -30°C to 100°C temps, corrosion, and pressure, ensuring seamless compatibility and long-term reliable fuel purification performance.
Hyundai HIGH-QUALITY EXCAVATOR PARTS MADE IN CHINA NEW R140W7 R140W7A R140W9 ZTAM-00039 DIFFERENTIAL KIT SPARKLING MACHINERY
SPARKLING MACHINERY NEW R140W7 R140W7A R140W9 ZTAM-00039 Differential Kit is a core undercarriage transmission component for Hyundai R140W7/R140W7A/R140W9 excavators (heavy-duty construction/mining use). It distributes torque to drive wheels while accommodating speed differences, ensuring stable turning and straight-line travel.
Meeting Hyundai OEM standards (ZTAM-00039), it resists -30°C to 100°C temps, wear, and mechanical shock, ensuring seamless compatibility and long-term reliable torque distribution 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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