ranroswang@hksparkling.com 
+86 138 2341 8469
SPARKLING 3333073 Gearbox – Reliable Excavator Gearbox for Heavy Duty
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.
Product Summary:The SPARKLING 3333073 gearbox delivers exceptional reliability and precision for excavator operations. Engineered for durability, it supports stable and efficient performance under tough working conditions.
SPARKLING 3333073 Gearbox – Durable, Precise, and Cost-Effective
SPARKLING MACHINERY, established in 2013, is a trusted leader in high-quality excavator parts. Our 3333073 gearbox is crafted to meet the highest standards of reliability, stability, and precision, making it an essential component for your excavator’s drivetrain.
Designed to work seamlessly with major excavator brands like Caterpillar, Komatsu, Hitachi, and Volvo, this gearbox ensures smooth power transmission and long-lasting performance. Whether you’re working in harsh environments or demanding projects, the 3333073 gearbox maintains consistent operation, minimizing downtime and repair costs.
Manufactured using strict quality control and advanced techniques, the SPARKLING 3333073 gearbox offers exceptional endurance and resistance to wear. Its robust construction supports heavy loads and harsh conditions, while optimized engineering enhances efficiency and reduces energy loss.
At SPARKLING MACHINERY, we recognize that every machine and application is unique. That’s why we offer customized solutions and dedicated technical support to help you select the right gearbox and maximize your excavator’s performance.
Choosing our 3333073 gearbox means investing in a reliable, cost-effective part backed by years of industry expertise. With global distribution and excellent after-sales service, SPARKLING is your trusted partner for excavator parts that keep your equipment running smoothly.
Unlock superior power transmission and elevate your productivity with the SPARKLING 3333073 gearbox—built to perform when you need it most.
Key Features:
- High durability and precision for heavy excavator use
- Compatible with leading brands: Caterpillar, Komatsu, Hitachi, Volvo
- Manufactured under stringent quality standards
- Reduces downtime with reliable, stable operation
- Customized technical support and solutions available
- Cost-effective, long-lasting component to lower maintenance expenses
Discover why SPARKLING MACHINERY is the preferred choice in excavator parts and order your 3333073 gearbox today!
Picture Show
Q&A
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.
Are your products covered by a warranty?
-
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.
-
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.
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
sparkling_machinery
Whatsapp: +8613609010879