ranroswang@hksparkling.com 
+86 138 2341 8469
ZGAQ-02920 K9001535 Gear Ring Compatible with Hyundai R140W / R140W-9 and Doosan DX140W / DX160W Wheel Excavators
The ZGAQ-02920 K9001535 Gear-Ring is a specific ring gear used in the front and rear axle output groups of various Hyundai and Doosan wheel excavators.
Key Features
· Dual-brand direct-fit design: Exact replication of tooth profile, module, pressure angle, and mounting dimensions for Hyundai R140W/R140W-9 and Doosan DX140W/DX160W—seamless integration with original planetary carriers, no modifications required.
· High-precision gear geometry: Precision hobbing and grinding ensure consistent tooth contact, minimal backlash (≤0.15mm), and smooth meshing to reduce noise, vibration, and power loss during operation.
· Rigid structural integrity: One-piece forged alloy steel construction eliminates casting defects, ensuring stable torque transmission and resistance to deformation under extreme loads.
Compatibility: This ring gear is compatible with several models of both Hyundai and Doosan excavators, including:
· Hyundai: R140W, R140W-9, R140W-9A, R140W-9S, R150W-9.
· Doosan: DX140W, DX160W, DH150W-9.
Thank you for choosing SPARKLING MACHINERY for your Hyundai R140W/R140W-9 and Doosan DX140W/DX160W wheel excavator final drive solutions. The ZGAQ-02920 (K9001535) ring gear is an OEM-compatible core component engineered to match original planetary system specs, ensuring efficient torque transfer, smooth travel, and reliable performance in heavy-duty applications. Made of high-purity forged alloy steel with precision machining and heat treatment, it excels in harsh conditions.
The SPARKLING MACHINERY NEW ZGAQ-02920 K9001535 Gear-Ring Photo:
Why Choose SPARKLING ZGAQ-02920 K9001535 Gear-Ring?
- Dual-brand fit guarantee: Exact match to Hyundai/Doosan original specs—seamless integration with planetary carriers, saving labor and installation time.
- High-precision meshing: Precision gear geometry minimizes backlash and power loss, reducing noise, vibration, and component wear.
- Carburized durability: Carburized & quenched surface provides superior wear resistance and impact load tolerance for extended service life.
- Forged structural strength: One-piece forged steel construction eliminates casting defects, ensuring stable torque transmission and deformation resistance.
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.
Get In Touch:
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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.
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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Whatsapp: +8613609010879