Hyundai R330 Excavator 31Q9-10160 Swing Motor Assembly

The Hyundai R330 swing motor 31Q9-10160 is a high-performance hydraulic drive component designed to deliver stable rotation, accurate positioning, and reliable torque output for heavy excavator applications. Built with precision hydraulic assemblies, a durable braking mechanism, and advanced sealing technology, it ensures smooth upper structure movement and dependable performance in demanding job site conditions.

PackagingWooden case or as required
Request Pricing & Details

Quick Quote Request

Inquiry Now Popup Form

Kinton Parts is trusted by professionals worldwide for delivering high-quality parts for excavators, bulldozers, and other construction machinery—with guaranteed performance and durability.

BULLDOZER UNDERCARRIAGE PARTS FOR INQUIRY NOW
Description

The Hyundai R330 hydraulic swing motor 31Q9-10160 plays a critical role in the excavator upper structure rotation system. Installed together with the swing gearbox and slewing bearing, it converts hydraulic pressure into rotational force, enabling the excavator to perform fast and controlled movements during digging, loading, material handling, and dumping operations.

As a reliable replacement swing motor for Hyundai R330 excavators, this unit is designed to withstand frequent acceleration, deceleration, and directional changes that occur during daily excavation cycles. For 30-ton-class machines working in quarry sites, large earthmoving projects, and infrastructure construction, consistent swing performance is essential for maintaining productivity and reducing cycle time.

Efficient Hydraulic Drive and Smooth Rotation Control

The internal hydraulic design is optimized to provide a balance between strong output torque and precise rotational control. By maintaining stable oil distribution and efficient energy conversion, the swing motor delivers smooth start-up, steady rotation, and responsive stopping performance.

Its integrated braking mechanism helps secure the excavator upper frame when the swing function is stopped, improving operational safety, especially when handling heavy materials or working on uneven ground.

High-Quality Internal Components and Sealing System

The Hyundai R330 swing motor is manufactured using carefully selected materials and precision-machined components, including the cylinder block, piston group, valve plate, rotary assembly, and brake components.

Strict dimensional control ensures proper internal clearances, reducing unnecessary hydraulic leakage and maintaining high mechanical efficiency. The high-performance sealing system prevents hydraulic oil leakage and protects internal components from dust, moisture, and contaminants, contributing to a longer service life.

Advanced Manufacturing Standards and Functional Testing

Each 31Q9-10160 swing motor undergoes strict manufacturing procedures and comprehensive performance verification. The production process includes high-precision CNC machining, clean-room assembly of hydraulic components, and multi-stage quality inspections.

Before delivery, every unit is tested for rotational smoothness, pressure stability, braking performance, sealing effectiveness, and overall hydraulic functionality. These tests ensure that the motor can operate reliably under real-world working conditions.

OEM Compatibility

This swing motor is suitable for:

  • Hyundai R330 Excavator

OEM Reference Number:

  • 31Q9-10160

Installation dimensions, technical specifications, and compatibility confirmation services can be provided to ensure correct replacement and easy installation.

Quality Assurance

Every swing motor is inspected through a strict quality management process. Hydraulic performance, dimensional accuracy, assembly quality, brake function, sealing reliability, and overall operating stability are carefully checked before shipment.

These inspections ensure consistent product quality and provide customers with a reliable replacement solution for long-term excavator operation.

Conclusion

The Hyundai R330 swing motor 31Q9-10160 is engineered to deliver reliable rotational power, precise control, and outstanding durability for heavy excavator applications. Combining advanced hydraulic technology, precision manufacturing, a robust braking system, and strict performance testing, it provides an ideal replacement solution for contractors, equipment owners, and maintenance professionals seeking high-quality Hyundai excavator swing system parts.

Shipping & Delivery

SHIPPING & DELIVERY

At Kinton Parts, we ensure reliable, worldwide shipping of parts for excavators, bulldozers, and a full range of construction machines—safe, fast, and secure.

All products are securely packed using high-quality export cartons, reinforced wooden cases, or industry-standard palletized packaging to ensure maximum protection during transit and smooth handling during unloading.

Standard orders are typically shipped within 3–5 working days, while large or customized orders are usually dispatched within 7–20 days, depending on volume and production requirements.

We offer flexible global shipping options, including:

  • International sea freight for cost-effective bulk transport
  • Air freight for urgent orders
  • Courier delivery (DHL, FedEx, UPS) for small-volume or sample shipments

Our logistics team manages every shipment carefully, providing real-time updates and tracking information until your order arrives safely at your destination.

Need assistance choosing the best shipping method for your location and timeline? Contact our team — we’ll help you plan a smooth delivery experience.

excavator parts loading truck 4
excavator parts loading truck 2
excavator parts loading truck 1

FAQ

Q: What are your main products?
A: We supply a full range of undercarriage and wear parts for excavators, bulldozers, and other heavy equipment. Our product line includes: Track rollers, carrier rollers, front idlers, sprockets, segments, track shoes, track chains, bolt and nuts, pins and bushings, bucket teeth and adaptors, filters, seal kits, swing bearing, and hydraulic cylinder—plus other essential replacement parts.

Q: Which countries do you export to?
A: Kinton Parts exports to over 60 countries worldwide, including:
USA, Canada, UK, Germany, Russia, UAE, Indonesia, Malaysia, Thailand, India, Pakistan, Bangladesh, Sri Lanka, South Africa, Colombia, Peru, and many others.

Q: Can I order a sample?
A: Yes, we accept trial orders. For parts in stock, samples can be shipped quickly. If you have technical drawings or existing samples, we also support customized production and mold development.

Q: How can I track my order after shipping?
A: Once your order is shipped, we will provide you with all necessary tracking information based on the shipping method. For express deliveries, you’ll receive a tracking number to follow the shipment online. For air or sea freight, we’ll send you the relevant documents such as the airway bill (AWB) or bill of lading (B/L), along with the packing list and commercial invoice to help with tracking and customs clearance.

Inquiry Now
Request Pricing & Details

Quick Quote Request

Inquiry Now Tab Form

Trusted by professionals worldwide, Kinton Parts supplies premium-quality components for excavators, bulldozers, and more—with reliable quality you can count on.

BULLDOZER UNDERCARRIAGE PARTS FOR INQUIRY NOW