ZGAQ-02204 Shaft-Gear Compatible with Hyundai Wheel Excavators R170W-7 / R170W-9S / HW160 / HW180
The ZGAQ-02204 Shaft-Gear is a specific sun gear shaft used in the rear axle hub carrier assembly of various Hyundai wheel excavators.
Key Features
· OEM direct-fit design: Exact replication of gear parameters, spline dimensions, mounting bores and shaft length for Hyundai R170W/HW160/HW180—plug-and-play installation without secondary machining or modification.
· High-precision power transmission: CNC-machined involute gear teeth with high meshing accuracy (Grade 6) ensure seamless torque transmission, minimizing power loss and operation noise.
Compatible Models: This part is compatible with a wide range of Hyundai wheel excavators, including models from the 7-series and 9-series:
· 7-Series: R170W-7, R170W-7A, R200W-7, R200W-7A.
· 9-Series: R170W-9S, R180W-9S, R210W-9, R210W-9A, R210W-9S, R210W9-MH.
· Other models: HW160, HW180, HW210.
Thank you for choosing SPARKLING MACHINERY for your Hyundai R170W/HW160/HW180 wheel excavator drive system solutions. The ZGAQ-02204 shaft-gear is an OEM-compatible integral assembly engineered to perfectly match the original axle drive system specs, ensuring stable and efficient power transmission for your wheel excavators. With high-precision gear machining and premium heat-treated alloy steel construction, it excels in harsh construction and road maintenance working conditions.
The SPARKLING MACHINERY NEW ZGAQ-02204 Shaft-Gear Photo:
Why Choose SPARKLING ZGAQ-02204 Shaft-Gear?
- Perfect fit guarantee: Exact matching of Hyundai original gear and shaft specs, no secondary processing needed, saving labor costs and reducing installation downtime.
- Superior power transmission: Grade 6 high-precision gear teeth ensure smooth meshing and minimal power loss, delivering stable torque for the travel system under heavy loads.
- Long-lasting durability: 20CrMnTi alloy steel with professional carburizing & quenching treatment provides excellent wear and impact resistance, extending service life of the drive system.
- Rigorous quality control: 100% inspection of gear accuracy, hardness, runout and meshing performance for each unit, complying with international CE/ISO standards for reliable operation.
- Comprehensive technical support: Professional installation guidance per Hyundai maintenance standards, recommended API GL-5 85W-90 gear oil for matching components, and timely after-sales troubleshooting to optimize drive system performance.
About SPARKLING MACHINERY:
- Founded in 2013, SPARKLING focuses on high-quality excavator parts across hydraulics, undercarriage, engines and electrical systems. We prioritize stability, precision and continuous service, offering worldwide distribution, tailored solutions and strict QC to help customers reduce cost and increase uptime.

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📦 Packing
1. Packaging methods: Carton box + Wooden case/Pallet + Anti-rust treatment
2. Export-standard packaging to ensure safety during transportation
3. Custom packaging available upon request
4. Dimensions and weight can be provided for freight calculation



🚚 Shipping
1. Available shipping methods: Sea freight, Air freight, Express delivery (DHL, UPS, FedEx, etc.)
2. LCL (Less than Container Load) and FCL (Full Container Load) options are supported
3. For Russian clients, we can introduce the forwarder agent to you
4. Delivery time: Ships within 1-3 working days after payment (for items in stock)
💳 Payment
1. Accepted methods: T/T, Bank Transfer, PayPal, Alipay, WeChat Pay, Western Union
2. Deposit + balance payment available for large or custom orders
3. Flexible payment options—feel free to contact us for details
📌 Frequently Asked Questions (FAQs)
Q: Which excavator models is this part compatible with?
A: This product is compatible with major brands such as CAT, KOMATSU, HITACHI, and more. Custom specifications are also available.
Q: How can I make sure I’m selecting the correct part?
A: You can send us a photo of the old part, part number, or your excavator model, and we will help you confirm the right match.
Q: Is there a warranty for this product?
A: Yes, we offer a 6-month quality guarantee under normal use.
Get a free quote
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