ranroswang@hksparkling.com 
+86 138 2341 8469
Hyundai Excavator Swing Motor 38K9-11100, 38K9-10150 for R300-9S, HX300, R290LC-9
The SPARKLING MACHINERY China aftermarket Swing Motor, offered in part numbers 38K9-11100 and 38K9-10150, delivers a high-quality, durable solution engineered for Hyundai excavator models including R300-9S, R300LC-9, R290LC-7, and R290LC-9.
Part number 38K9-11100 is a Swing Motor Assembly (or Motor Unit-Swing) primarily used in Hyundai crawler excavators. It is a critical hydraulic component that enables the smooth 360-degree rotation of the excavator's upper structure.
Component Type: Hydraulic Swing Motor / Rotary Motor.
Alternative Descriptions: Often sold as a complete "Motor Unit-Swing" or just the "Swing Motor Cover" in aftermarket listings.
Construction: Heavy-duty design featuring inner and outer rings, rolling elements, and high-performance seals to ensure seamless operation in harsh terrain.
This motor is specifically designed for the following Hyundai excavator series and models:
HX Series: HX330, HX330L, HX330AL, HX330S L, HX350, HX360, HX380.
9 Series: R320LC-9, R330LC-9S, R330LC-9SH.
Other Models: R210LC-9A, R220LC-9S, R290LC-7, R300LC-9.
Welcome to SPARKLING MACHINERY — Your Premier Source for Aftermarket Swing Motors!
We are pleased to offer our dependable, China-manufactured Swing Motor (38K9-11100 / 38K9-10150), optimized for Hyundai excavator models R300-9S, R300LC-9, R290LC-7, and R290LC-9. Built to high standards with durable materials and precision engineering, these motors ensure smooth, reliable swinging operations and effortless OEM-level integration.
Thank you for considering SPARKLING MACHINERY for your excavator component needs. We are dedicated to delivering parts that stand the test of time and support your equipment's performance. Should you need product specifications, quotes, or expert guidance, our team is ready to assist.
Best regards,
The SPARKLING MACHINERY Team
Product Description:
Introducing the SPARKLING MACHINERY swing motor designed for Hyundai R300-9S — part numbers 38K9-11100 and 38K9-10150. Engineered for durability and precision, this hydraulic swing motor is an ideal replacement or upgrade for excavator owners and repair shops seeking dependable performance without the OEM price tag.
Key features and benefits:
- Direct compatibility: Specifically matched to Hyundai R300-9S models (38K9-11100 / 38K9-10150), ensuring bolt-on fit and straightforward installation.
- Robust performance: High-torque output and optimized gear ratios deliver smooth, stable swing operation under heavy loads and continuous duty cycles.
- Precision manufacturing: Hardened gears, precision-machined housings, and advanced sealing systems reduce wear, leakage, and contamination risk for longer service intervals.
- Reliability under harsh conditions: Designed and tested to withstand extreme temperatures, shock loads, and demanding site environments common in construction and mining.
- OEM-compatible quality at competitive cost: Manufactured under strict quality control to meet or exceed performance expectations while offering attractive savings versus OEM parts.
- Tested and certified: Each motor undergoes pressure, leak, and performance testing to ensure consistent output and long-term reliability.
- Support and customization: SPARKLING provides technical consultation, installation guidance, and options for customized configurations to match specific fleet requirements.
- Global supply chain and service: With worldwide sales and after-sales support, parts and expertise are accessible to minimize machine downtime.
About SPARKLING MACHINERY:
Founded in 2013, SPARKLING MACHINERY focuses on high-quality excavator parts with an emphasis on stability, precision, and perseverance. We supply hydraulic components, undercarriage systems, engine and electrical parts, cabs, mini excavators, and accessories compatible with top brands. Our rigorous manufacturing and QC processes, combined with competitive pricing and dedicated technical service, make SPARKLING a reliable partner for maintaining and optimizing excavator fleets.
Why choose this swing motor:
If you need a durable, OEM-compatible swing motor for Hyundai R300-9S that balances performance, longevity, and cost-effectiveness, SPARKLING’s 38K9-11100 / 38K9-10150 is engineered to reduce downtime and maintenance costs while restoring reliable swing control.
Contact us for specifications, pricing, or support — get the precision replacement your excavator deserves.
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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