Factory Link Rod fit Hyundai R80 Excavator Parts
High-performance link rod designed for Hyundai R80 mid-size excavators. Made from forged Q345B or Q235B steel, CNC-machined at critical interfaces, and coated for corrosion resistance. Provides consistent bucket movement and structural reliability across diverse digging tasks.
| Colors | Black or yellow or customized |
|---|---|
| Surface Hardness | HRC52-58 |
| Material | Q235B, Q345B |
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Kinton Parts is trusted by professionals worldwide for delivering high-quality parts for excavators, bulldozers, and other construction machinery—with guaranteed performance and durability.
Role of the Link Rod in R80 Excavators
The link rod—also referred to as the bucket link or bucket arm connector—is a key joint in the working group of the Hyundai R80. It connects the bucket cylinder to the bucket linkage, enabling the bucket to tilt and scoop with controlled force.
In compact and medium-duty operations such as residential digging, utility trenching, or foundation work, the R80’s linkage system sees high movement frequency. The link rod must maintain precise articulation and resist backlash or deformation across thousands of cycles. A worn or poorly manufactured rod could cause hydraulic inefficiency, uneven bucket wear, and loss of digging accuracy, especially in confined or sloped jobsites.
High-Strength Forging for Lasting Performance
Each R80 link rod is forged from Q345B or Q235B steel, selected based on your project demands. For heavier-duty applications like dense clay or compacted backfill, Q345B is preferred for its:
- Higher yield strength
- Better impact resistance
- Superior fatigue life under repetitive loading
Forging also helps eliminate weak points, such as porosity or grain discontinuity, which are common in cast or low-grade fabricated components. The result is a structurally stable part that withstands high-pressure cycles and torsional stress.
CNC Machining & Anti-Rust Treatment
After forging, the component is CNC-machined at key interfaces—specifically the pin bores, bushing seats, and joint surfaces.
To protect the part from environmental degradation, it receives one of two surface finishes:
- Shot-blasting + primer coating for general-use scenarios
- E-coating (electrophoretic coating) for wet, corrosive, or coastal environments
This added protection is critical in preventing rust, abrasion, and surface pitting, especially during off-season storage or long-term field use.
Pre-Machining Storage
After forging and rough shaping, each link rod is properly stored in preparation for precision machining and heat treatment. These solid, semi-finished parts are neatly arranged in batches — showcasing both our forging strength and our ability to manage stable, large-scale production.
Export-Ready Packaging
After completing all machining, quality checks, and anti-corrosion treatment, each finished link rod is carefully packed using reinforced pallets or wooden crates. This ensures safe handling and long-distance transport. Every package is clearly labeled for easy tracking, and logo or barcode customization is available upon request.
Fitment Range
This link rod is fully compatible with:
- Hyundai R80-7 / R80-9 / R80CR-9 / R80-7A
- Hyundai Robex 80 Series with standard bucket linkage
Need help confirming fitment? Just send us your casting code, machine serial number, or dimensional sketch, and we’ll reply with verification in 12 hours.
OEM Undercarriage Parts for Hyundai Excavator
| BRAND | MACHINERY MODEL NUMBER | |||||||
|---|---|---|---|---|---|---|---|---|
| HYUNDAI | R55 | R55-3 | R55-7 | R60 | R60-7 | R60CR-9 | R75-7 | R80 |
| R80-7 | R80CR-9 | R130-5 | R130-7 | R140LC-9 | R145LCR-9 | R150 | R150LC-7 | |
| R160LC-3 | R180LC-3 | R200 | R200-5 | R210 | R210-3 | R210LC-3 | R210LC-7 | |
| R215-7 | R220-5 | R220LC-9 | R225-7 | R235LCR-9 | R250LC-3 | R260-5 | R260LC-9 | |
| R265 | R275 | R290 | R290LC-3 | R290LC-7 | R300 | R300-5 | R300LC-9 | |
| R305 | R320 | R320LC-9 | R330LC-9 | R360 | R360LC-9 | R380LC-9 | R385 | |
| R420 | R450-3 | R450-5 | R450LC-7 | R480LC-9 | R500LC-7A | R520LC-9 | R800LC-7A | |
| HX90A | HX1000L | HX130A LCR | HX145LCR | HX220L | HX235LCR | HX260L | HX300L | |
| HX330L | HX380L | HX480L | HX520L | HX800L | HW100A | HW140 | HW180 | |
| HW210 | ||||||||
Looking for a specific make or model not listed here? Reach out and we’ll be happy to assist.
Application Scenarios: Built for Extreme Work
The R80 is a versatile excavator widely used in:
- Urban roadworks and sidewalk trenching
- Agricultural land preparation
- Residential foundation excavation
- Utility and telecom line installation
These tasks often involve frequent bucket cycling, side wall digging, and tight turning radii, all of which place significant demands on the linkage assembly. Our R80 link rods ensure consistent joint alignment and prevent bucket tilt lag, even under angled or offset loads.
Maintenance Advice for Long-Term Use
To extend the life of your link rod and the entire working group:
- Lubricate pin joints every 250–500 working hours
- Replace pins and bushings together with the rod to ensure balanced fit
- Inspect for bore elongation, play, or rust every service interval
- Avoid using the bucket for prying or side pressure—this stresses the linkage
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.
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.
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Trusted by professionals worldwide, Kinton Parts supplies premium-quality components for excavators, bulldozers, and more—with reliable quality you can count on.
