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!
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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?
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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 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.
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 Cooling System Hose VOE 14643302 for EC380D • EC480D • PL4809D Excavators
The Cooling System Hose VOE 14643302 is a premium radiator hose designed for Volvo heavy equipment, including EC380D, EC480D, and PL4809D excavators. Manufactured in China to meet or exceed OEM specifications, this durable hose delivers reliable coolant flow and high resistance to heat, pressure, and abrasion—ensuring your engine remains cool even under heavy-duty operation. It fits seamlessly as a drop-in replacement and is available in OEM-quality or aftermarket production.
COUPLING FOR CATERPILLAR 236D 242D 246D 257D 259D CA3453548 345-3548 3453548
The Coupling (CA3453548 / 345-3548 / 3453548) is a high-quality replacement component designed for Caterpillar skid steer loaders and compact equipment, including models 236D, 242D, 246D, 257D, and 259D. This coupling ensures secure and reliable connection between shafts in hydraulic or drive systems, enabling efficient power transmission while reducing vibration and wear. Manufactured to meet or exceed OEM specifications, it delivers durable performance and long service life in heavy-duty construction and industrial applications.
Key Features
OEM-Compatible Fit: Direct replacement for Caterpillar part numbers CA3453548 / 345-3548 / 3453548 for accurate fit and performance
Durable Construction: Made from high-strength steel or alloy for superior wear resistance and long-term reliability
Efficient Power Transmission: Ensures smooth torque transfer and reduces vibration in drive or hydraulic systems
Benefits
Restores reliable power transmission and machine performance
Reduces wear and vibration in connected systems
Extends service life of hydraulic or drive components
Simplifies maintenance with direct OEM-fit replacement
Joint Housing LH ZGAQ-02249 For Hyundai Wheel Excavator R170W-7 R170W-9 R180W-9A
The part number ZGAQ-02249 is for the left-hand (LH) Joint Housing of the front axle assembly used in several Hyundai wheel excavators. It is a critical structural component, often referred to as a "knuckle."
Part Name: Joint Housing-LH (Left-Hand)
Brand: Hyundai Construction Equipment (OEM and aftermarket versions available)
Function: This housing contains internal components of the axle hub reduction system, connecting the steering assembly to the wheel and facilitating torque transfer and steering.
Counterpart Part Number: The right-hand (RH) equivalent component is ZGAQ-02250.
The ZGAQ-02249 joint housing is compatible with the following Hyundai wheel excavator models:
R170W-7, R170W-7A, R170W-9, R170W-9S, R180W-9A, R180W-9S, R160W-9A
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