ranroswang@hksparkling.com 
+86 138 2341 8469
SPARKLING 313D Swing Reducer – Durable Excavator Part for Smooth Operation
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 313D Swing Reducer is a vital component designed to deliver smooth and efficient rotation for excavators. Manufactured with precision engineering and high-quality materials, this swing reducer guarantees long-lasting performance and reliability under demanding working conditions.
Since 2013, SPARKLING MACHINERY has been dedicated to producing High Quality excavator parts that prioritize stability, accuracy, and endurance. The 313D Swing Reducer exemplifies these values, ensuring your excavator operates seamlessly whether in construction, mining, or other heavy-duty applications.
Compatible with leading brands such as Caterpillar, Komatsu, Hitachi, and Volvo, the 313D Swing Reducer is engineered for easy integration into various models. Its robust design reduces wear and tear, minimizes maintenance needs, and improves operational efficiency, ly helping you save on downtime and repair costs.
SPARKLING’s strict manufacturing standards and quality control processes mean each swing reducer performs reliably in diverse environments. We also offer tailored solutions and expert technical support to meet your specific needs, ensuring you get the best fit and functionality.
Choose the SPARKLING 313D Swing Reducer for a trustworthy, cost-effective upgrade to your excavator, backed by a global network of service and a commitment to innovation and customer satisfaction.
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Frequently Asked Questions
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.
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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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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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.
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.
VOLVO HIGH-QUALITY EXCAVATOR PARTS MADE IN CHINA NEW VOE21379931 INJECTOR SPARKLING MACHINERY
SPARKLING MACHINERY NEW VOE21379931 Injector is a core engine fuel supply component for Volvo excavators (heavy-duty construction/mining use). It precisely atomizes and injects fuel into cylinders to ensure efficient combustion and stable power output.
Meeting Volvo OEM standards (VOE21379931), it resists up to 280°C high temps and 180MPa pressure, guaranteeing seamless compatibility and long-term reliable fuel delivery performance.
HIGH-QUALITY 421-54-44770 GAS SPRING for KOMATSU Construction Equipment WA450 WA470 WA480 Excavator
The HIGH-QUALITY 421-54-44770 GAS SPRING is a premium auxiliary component meticulously engineered for KOMATSU Construction Equipment, specifically tailored to meet the rigorous operational demands of WA450, WA470, and WA480 excavators. As a critical part of machinery auxiliary systems, this gas spring delivers consistent, smooth force support and reliable damping performance, effectively reducing operational vibration, simplifying equipment maintenance access, and enhancing the overall safety and efficiency of your KOMATSU excavator.
Key Features
· Custom-engineered for perfect compatibility with KOMATSU WA450, WA470, WA480 excavators
· Stable force output and adjustable damping to adapt to varying operational loads
· High-pressure resistance and leak-proof design for long-term reliability in harsh construction environments
· Corrosion-resistant exterior coating to withstand dust, moisture, and extreme temperature fluctuations
· Compliance with OEM specifications to ensure seamless integration and consistent performance
Compatible Models
KOMATSU Construction Equipment Excavators: WA450, WA470, WA480
VOLVO EXCAVATOR PARTS MADE IN CHINA NEW BL60 BL61 BL70 BL71 VOE20460945 D4D TURBOCHARGER SPARKLING MACHINERY
SPARKLING MACHINERY NEW BL60 BL61 BL70 BL71 VOE20460945 D4D Turbocharger is a core power-enhancing component for 4 Volvo loader models (construction/mining use). It boosts engine air intake efficiency to improve power output and fuel economy, ensuring strong performance in heavy-load scenarios.
Meeting Volvo OEM standards (VOE20460945), it resists -30°C to 150°C temps, high pressure, and vibration, guaranteeing seamless compatibility and long-term reliable operation.
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
foreverlucia1
Whatsapp: +8613609010879