Master the Ground: High-Performance Undercarriage Solutions by Sparkling
The efficiency of your excavator isn't just about engine power; it’s about the reliability of the system that moves it. A compromised undercarriage leads to excessive vibration, power loss, and dangerous downtime.
At Sparkling Machinery , we specialize in providing premium-grade undercarriage components designed to withstand the harshest terrains—from abrasive rocky sites to muddy construction zones. Our parts are engineered for maximum wear resistance and seamless compatibility with leading global excavator brands.
The undercarriage is the foundation of every excavator, enduring 100% of the machine's weight and 50% of its maintenance costs. At Guangzhou Sparkling Machinery Equipment Co., Ltd, we provide the "Muscle and Bone" your equipment needs to dominate the toughest terrains.
From abrasive rocky sites to high-torque mining operations, our undercarriage components are engineered for maximum wear resistance and seamless compatibility.
Featured Precision Components: Engineering Excellence
The undercarriage is where the power meets the ground. We’ve engineered our core components to handle the extreme torque and thermal stress of heavy-duty excavation.
1. High-Friction Brake Disc (Part No: 4704922 / SA7114-17620)
The braking system is the heartbeat of operational safety. Our brake discs are designed for those who operate in high-intensity environments.
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· Advanced Material Composition: Manufactured using specialized friction materials that maintain a stable friction coefficient even at extreme temperatures. This prevents "brake fade" during long shifts.
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· Superior Heat Dissipation: The surface geometry is precision-ground to allow for rapid cooling, protecting the internal seals of your swing motor or travel motor from heat damage.
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· Why it matters: Using the 4704922/SA7114-17620 ensures smooth, jerk-free stopping power, extending the life of your entire hydraulic transmission.
2. Heavy-Duty Drive Hub (Part No: ZGAQ-02915)
As the structural anchor of the final drive, the hub must withstand immense radial and axial loads.
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· Forged Strength: Unlike cheap cast-iron alternatives, the ZGAQ-02915 Hub is forged from high-density alloy steel. This process eliminates internal air pockets, significantly reducing the risk of cracking under high-torque conditions.
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· Precision Machining: Every mounting hole and bearing seat is CNC-machined to micron-level tolerances. This ensures a perfect fit with your existing gears and bearings, reducing friction and noise.
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· Wear Resistance: Treated with a specialized anti-corrosion coating to survive acidic or salty soil conditions, preventing the "seizing" of parts during future maintenance.
Inventory Highlight: Undercarriage Essentials
| Part Number | Description | Key Feature | Application |
| 4704922 / SA7114-17620 | Brake Disc | High-friction, heat-resistant alloy | Swing & Travel Braking |
| ZGAQ-02915 | Hub | Precision-forged high-strength steel | Final Drive / Axle Assembly |
| 9181161 / 9194244 | Recoil Spring | High-fatigue resistance spring steel | Track Tensioner Unit |
| 14531411 / 14555462 | Track Guide | Reinforced wear-resistant casting | Track Chain Alignment |
| 14532247 / 14525833 | Yoke (Idler Bracket) | Heavy-duty impact absorption | Front Idler Support |
| 20Y-30-00021 | Track Roller | Induction-hardened deep wear layer | Lower Chassis Support |
| VOE 14521443 | Sprocket Segment | Through-hardened for tooth longevity | Drive Wheel Assembly |
Q&A:
Q1: Why choose Sparkling undercarriage parts over standard aftermarket options?
A: We use induction-hardening technology on all wear surfaces. Our parts, like the ZGAQ-02915 Hub, undergo rigorous stress testing to ensure they exceed OEM durability standards.
Q2: How do I know if my Brake Disc (4704922) needs replacing?
A: Look for "creeping" when the machine should be stationary or a grinding noise during operation. Replacing them early prevents damage to the more expensive gear motor.
Q3: Does Sparkling offer global shipping for heavy undercarriage items?
A: Yes! We provide optimized sea and air freight solutions to ensure your parts arrive safely and affordably, no matter where your project is located.
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faq
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.
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.
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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We are committed to producing the highest quality products at the most competitive prices. Therefore, we sincerely invite all interested companies to contact us for more information.


Sparkling Machinery Co.,Ltd
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Whatsapp: +8613609010879