ranroswang@hksparkling.com 
+86 138 2341 8469
4472.377.047 Planetary Carrier for Hyundai / Doosan R170W-7 Wheel Excavator Transmission
The 4472.377.047 Carrier is a core component of the planetary reduction assembly in Hyundai R170W-7 wheel excavators. It houses the planetary gears and ensures synchronized rotation within the axle or transmission system. Engineered for high-torque environments, this carrier provides the structural integrity needed for heavy-duty excavation tasks.
Dear Valued Partners,
Thank you for choosing SPARKLING MACHINERY, your professional provider of construction machinery transmission parts. We are pleased to present the 4472.377.047 Planetary Carrier, specially designed for the Hyundai / Doosan R170W-7 wheel excavator final drive transmission system. As a key load-bearing component, it directly determines the stability and reliability of the walking system.
The SPARKLING MACHINERY NEW 4472.377.047 Carrier Photo:
Key Advantages
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Structural Rigidity: Precision-cast to withstand extreme mechanical stress and prevent deformation.
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Exact Fitment: Fully interchangeable with original Hyundai 4472.377.047 parts for seamless installation.
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Extended Service Life: Treated with anti-corrosion coating and precision-machined bore holes for gear pins.
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R170W-7 transmission or axle:
| Category | Part Name | Part Number |
| Transmission | Planetary Carrier | 4472.377.047 |
| Transmission | Sun Gear Shaft | 4472.377.046 |
| Transmission | Planetary Gear | 4472.377.045 |
| Axle Group | Ring Gear | 4472.377.044 |
| Axle Group | Hub Nut | 4472.302.203 |
| Hydraulic | Main Pump Assembly | 31N5-10010 |
| Engine | Water Pump | 3802973 |
| Seals | Hub Oil Seal | 4472.302.049 |
Q&A
Q1: Does the 4472.377.047 carrier come with the planetary pins and bearings?
A: This listing is for the Carrier housing only. However, we do supply the matching pins, bearings, and gears as a complete kit if required. Please contact us for a "Planetary Kit" quote.
Q2: How do I confirm this fits my specific machine?
A: This part is standard for the Hyundai R170W-7. To be 100% sure, please provide your axle nameplate photo or the machine serial number to our sales team.
Q3: Is this an OEM or Aftermarket part?
A: We provide High-Quality OEM Replacement parts that meet or exceed original specifications, offering a more cost-effective solution for your maintenance needs.
Why Choose HK Sparkling?
As a professional excavator parts supplier, Guangzhou Sparkling provides one-stop solutions for your machinery needs. We understand that downtime costs money, which is why we prioritize quality inspection and rapid logistics for every 4472.377.047 Carrier we sell.
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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