81Q4-34040 Propeller Shaft Compatible with Hyundai R210W-9, R210W-9A & R210W-9AMH Wheel Excavators
81Q4-34040 Propeller Shaft is an OEM-compatible core power transmission part for Hyundai wheel excavators, undertaking stable torque delivery for the travel drive system. It excels in heavy-duty construction conditions with superior torsion and impact resistance, ensures smooth and efficient power transfer, reduces mechanical vibration and wear, and maintains the continuous and stable operation of the whole machine in complex terrain.
Compatible Models:
· Wheel Excavators: R210W-9, R210W-9A, R210W-9AMH, R210W-9MH, and R210W-9S.
Dear Valued Partners,
We sincerely cherish your trust in and choice of SPARKLING MACHINERY—this precious recognition drives us to keep refining every detail of construction machinery power transmission components. Today we bring you the 81Q4-34040 Propeller Shaft, an OEM-compatible power transmission core part exclusively tailored for Hyundai R210W-9 series wheel excavators. Engineered for stable high-torque delivery and strong structural toughness, it’s a key component to ensure the smooth travel and heavy-duty operation of your excavators..
The SPARKLING MACHINERY NEW 81Q4-34040 Propeller Shaft Photo:

Why choose the SPARKLING 81Q4-34040 Propeller Shaft?
- Direct-fit compatibility: Precisely matches the original installation interfaces, connection dimensions and torque parameters of Hyundai R210W-9 series models, realizing one-step assembly without secondary debugging or alignment.
- Precision control: Meticulous dynamic balance calibration and structural optimization ensure precise torque transmission with minimal power loss, avoiding abnormal wear of the entire transmission system caused by misalignment.
- Rigorous quality: Undergoes strict torsion resistance, impact resistance and dynamic balance tests before delivery, ensuring stable and reliable operation under heavy-duty, continuous and complex terrain working conditions.
- Professional support: Provides professional installation, alignment and daily maintenance guidance, as well as timely after-sales technical consultation and fault troubleshooting for the entire product service cycle.
- Cost-effective reliability: Delivers OEM-level transmission performance and structural durability at a competitive price, the wear-resistant and anti-torsion design reduces replacement frequency and effectively cuts the overall operational cost of your equipment.
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:
- Replace your failing ECU confidently. Contact SPARKLING for pricing, lead time, and technical support — restore optimal machine control quickly and reliably.
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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