ranroswang@hksparkling.com 
+86 138 2341 8469
SPARKLING Excavator Swing Gearbox LNM0639 – Stable & Precise
The JCB Swing Gearbox Assembly (suitable for JS70, PC60‑7, and PC70‑7/PC60‑7 excavators) is a precision-engineered swing reducer designed to deliver smooth and reliable rotational performance. Built to OEM standards (e.g., part no. LNM0639 / 201-26‑00130), this gearbox features hardened steel gears and robust bearings—ensuring durable operation under heavy load. It’s designed for easy drop-in replacement and reduces maintenance downtime. Ideal for construction, demolition, and excavation applications.
SPARKLING Excavator Swing Gearbox LNM0639 – Precision and Reliability You Can Trust
At SPARKLING MACHINERY, established in 2013, we specialize in manufacturing High Quality excavator parts with a focus on stability, precision, and perseverance. Our Excavator Swing Gearbox LNM0639 is engineered to deliver exceptional performance and durability, designed to meet the demanding needs of modern excavators.
Crafted with advanced manufacturing techniques and strict quality control, the LNM0639 swing gearbox ensures smooth and reliable rotation of the excavator’s upper structure. Compatible with leading brands such as Caterpillar, Komatsu, Hitachi, and Volvo, this component guarantees seamless integration and optimal functionality on your heavy machinery.
Our commitment to excellence means the SPARKLING swing gearbox offers superior torque capacity, enhanced wear resistance, and long service life, reducing downtime and maintenance costs. We also provide customized solutions and dedicated technical support to ensure that your equipment operates at peak efficiency under various conditions.
With a global network and a strong focus on customer satisfaction, SPARKLING MACHINERY stands as a trusted supplier in the excavator parts industry. Choose the Excavator Swing Gearbox LNM0639 for a reliable, high-quality replacement part that delivers peace of mind and supports your operational success.
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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.
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.
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.
If you don’t find your answer, please E-mail us and we’ll be happy to help you out.
JCB Swing Gearbox Assembly for JS70, PC60-7 & PC70-7 Excavators – LNM0639
The JCB Swing Gearbox Assembly (suitable for JS70, PC60‑7, and PC70‑7/PC60‑7 excavators) is a precision-engineered swing reducer designed to deliver smooth and reliable rotational performance. Built to OEM standards (e.g., part no. LNM0639 / 201-26‑00130), this gearbox features hardened steel gears and robust bearings—ensuring durable operation under heavy load. It’s designed for easy drop-in replacement and reduces maintenance downtime. Ideal for construction, demolition, and excavation applications.
VOLVO EXCAVATOR PARTS MADE IN CHINA NEW EC250D EC250E EC300D EC300E PL3005D 14591251 RELIEF VALVE SPARKLING MACHINERY
SPARKLING MACHINERY NEW EC250D EC250E EC300D EC300E PL3005D 14591251 Relief Valve is a dedicated hydraulic safety component for VOLVO EC250D, EC250E, EC300D, EC300E, and PL3005D crawler excavators (heavy-duty equipment for mining, large-scale construction, and infrastructure projects). As the core safety guard of the hydraulic system, it precisely limits maximum pressure to protect pumps, cylinders, and pipelines from overload damage during rock breaking, bulk ore loading, and deep excavation.
Meeting VOLVO OEM standards (part no. 14591251), it endures 34 MPa pressure, -25°C to 105°C temperature fluctuations, and continuous vibration. It resists oil contamination and wear, ensuring long-term reliability for the five VOLVO models, with strict testing guaranteeing seamless compatibility and safe operation.
KOMATSU HIGH-QUALITY EXCAVATOR PARTS MADE IN CHINA NEW D475A D475ASD D65EX D65PX D65WX 702-21-55500 RELIEF VALVE SPARKLING MACHINERY
SPARKLING MACHINERY NEW D475A D475ASD D65EX D65PX D65WX 702-21-55500 Relief Valve is a core hydraulic safety component for Komatsu D475A/D475ASD/D65EX/D65PX/D65WX excavators (heavy-duty construction/mining use). It limits maximum hydraulic system pressure to prevent overload damage to pumps, hoses, and actuators.
Meeting Komatsu OEM standards (702-21-55500), it resists -30°C to 100°C temps, pressure fluctuations, and contamination, ensuring seamless compatibility and long-term reliable pressure protection.
VOLVO EXCAVATOR PARTS MADE IN CHINA NEW EC120D EC135B EC140B EC140C EC140D VOE14530987 CHECK VALVE SPARKLING MACHINERY
SPARKLING MACHINERY NEW EC120D EC135B EC140B EC140C EC140D VOE14530987 Check Valve is a key hydraulic anti-backflow component for 5 Volvo excavator models (construction/municipal use).
It prevents reverse hydraulic oil flow in circuits, protecting pumps/valves and ensuring stable function. Meeting Volvo OEM standards (VOE14530987), it resists -30°C to 95°C temps, oil corrosion, and vibration, guaranteeing seamless compatibility and long-term reliability.
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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