OEM Excavators Link Rod Wholesale Price fit Komatsu PC56
Forged steel link rod built for Komatsu PC56 excavators. Designed for precision fitment and smooth bucket operation under high-frequency, compact jobsite conditions. Rust-resistant coating ensures long-term durability in diverse working environments.
| 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.
Link Rod’s Function in Komatsu PC56
The link rod—also referred to as the bucket link—is a vital mechanical joint connecting the bucket cylinder to the bucket assembly. In the Komatsu PC56, a versatile 5–6 ton class excavator, the link rod plays an important role in ensuring smooth bucket articulation and force transfer, especially during repetitive digging and scooping tasks.
Given the PC56’s common applications in urban trenching, landscaping, and pipe laying, the link rod must withstand continuous high-cycle operations while maintaining alignment and structural integrity. Poorly manufactured or worn link rods can cause misalignment, reduce digging accuracy, and accelerate wear on bushings and pins.
Forged Steel Construction for Compact Efficiency
Each PC56 link rod is forged using Q345B or Q235B structural steel, depending on strength requirements and operating conditions. Q345B is preferred for tougher environments due to its:
- Higher tensile and yield strength
- Better impact absorption
- Greater fatigue resistance
The forging process produces a dense, uniform grain structure, enhancing load-bearing strength and resistance to cracking or deformation. For compact excavators like the PC56 that operate in confined urban spaces, structural reliability is essential for precision and safety.
CNC Machining & Anti-Corrosion Surface Treatment
To ensure tight pin fit and long-term wear resistance, each link rod undergoes CNC machining on all critical surfaces:
- Pin holes for exact bore-to-bore alignment
- Joint ends for smooth articulation
- Bushing seats for stable mounting
Machining to extremely tight tolerances ensures precise engagement with the original factory pins and minimizes play during operation.
The surface is treated with either:
- Primer coating after shot blasting for standard job sites
- Electrophoretic coating (e-coating) for wet or corrosive environments
This protects the part from rust, abrasion, and chemical exposure, ensuring it performs reliably in both clean and muddy job conditions.
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 fits the following Komatsu excavator models:
- PC56 / PC56-7 / PC56-8 / PC50MR-2 / PC50UU-2 / PC58UU
- Also compatible with certain PC60 early-series variants (verify linkage type)
Unsure of your part number? Send us your casting code, machine serial number, or a dimensional sketch, and we’ll confirm fitment within 12 hours.
OEM Undercarriage Parts for Komatsu Excavator
| BRAND | MACHINERY MODEL NUMBER | |||||||
|---|---|---|---|---|---|---|---|---|
| KOMATSU-PC | PC20 | PC30-5 | PC30-6 | PC30-7 | PC30-8 | PC35 | PC40 | PC45 |
| PC50 | PC55 | PC40-5 | PC40-6 | PC40-7 | PC50 | PC55 | PC60-1 | |
| PC60-3 | PC60-5 | PC60-6 | PC60-7 | PC75 | PC100-1 | PC100-3 | PC100-5 | |
| PC100-6 | PC100-7 | PC120-3 | PC120-5 | PC120-6 | PC120-7 | PC150 | PC200-1 | |
| PC200-3 | PC200-5 | PC200-6 | PC200-7 | PC200-8 | PC220-1 | PC220-3 | PC220-5 | |
| PC220-6 | PC220-7 | PC220-8 | PC200LC-3 | PC200LC-5 | PC200LC-6 | PC200LC-7 | PC200LC-8 | |
| PC240 | PC300-1 | PC300-5 | PC300-6 | PC300-7 | PC300LC | PC300LC-5 | PC300LC-6 | |
| PC300LC-7 | PC360-5 | PC360-6 | PC360-7 | PC360LC-5 | PC360LC-6 | PC360LC-7 | PC360LC-8 | |
| PC400-1 | PC400-3 | PC400-5 | PC400-6 | PC400-7 | PC400LC-1 | PC400LC-3 | PC400LC-5 | |
| PC400LC-6 | PC400LC-7 | PC450-5 | PC450-6 | PC450-7 | PC450LC-5 | PC450LC-6 | PC450LC-7 | |
| PC650 | PC750 | PC800 | PC350 | |||||
Looking for a specific make or model not listed here? Reach out and we’ll be happy to assist.
Application Scenarios for the PC56
The Komatsu PC56 is often used in:
- Narrow trenching and site prep
- Urban civil engineering projects
- Small-scale earthmoving and grading
- Utility line and telecom installation
These operations require accurate bucket control, quick response time, and stable articulation, especially in confined or uneven terrain. Our link rod maintains consistent geometry under stress, helping contractors achieve clean trench profiles, flat grades, and efficient backfilling.
Maintenance Advice for Long-Term Use
To maintain optimal performance:
- Lubricate pins and joints every 250–300 hours
- Replace worn bushings and pins together with the link rod
- Regularly inspect bore wear or play at linkage ends
- Avoid prying or using the bucket outside its intended range
Proper maintenance ensures extended service life and minimizes risk of failure during active work.
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.
