High-Quality Carrier Roller for Komatsu PC60-7 Excavators
Upgrade the performance of your Komatsu PC60-7 with our durable, precision-manufactured carrier roller. Designed for long-lasting support and smooth track operation, this part is essential to keep your undercarriage reliable in tough working conditions.
| Material | 50Mn/40MnB |
|---|---|
| Surface Hardness | HRC53-58,deepth: 8-12mm |
| Colors | Black or yellow or customized |
Quick Quote Request
Kinton Parts is trusted by professionals worldwide for delivering high-quality parts for excavators, bulldozers, and other construction machinery—with guaranteed performance and durability.
Function and Importance of PC60-7 Carrier Rollers
Carrier rollers, also known as top rollers, are crucial for maintaining the proper tension and alignment of your excavator’s track chain. On the PC60-7 model, this component ensures the track runs smoothly and prevents sagging or misalignment during operation, especially on uneven terrain.
- A high-quality carrier roller:
- Reduces track wear and frame stress
- Improves machine stability and maneuverability
- Extends the service life of the entire undercarriage system
Material Composition and Heat Treatment Process
We utilize high-strength alloy steel—such as 40Mn2 or 50Mn—to manufacture the roller body, ensuring both surface hardness and core toughness. After precision forging, the rollers undergo:
- Quenching and tempering to enhance internal structure
- Surface induction hardening on the tread and shaft zones to reach HRC 52–58
The result is a component that withstands high impact and abrasive conditions typical in excavator operations.
Advanced Manufacturing Process for PC60-7 Carrier Rollers
From raw steel to finished product, each roller follows a strict process:
- Forging the body and shafts for maximum structural density
- CNC machining for precise dimension and concentricity
- Automatic welding of shaft ends with consistent penetration
- Surface heat treatment for wear protection
- Grease filling and sealing system installation
- 100% inspection before packaging
This multi-stage process ensures uniform quality and long-term performance in harsh environments.
Heat Treatment
Machining Process
CNC turning and milling ensure dimensional accuracy
Packing
OEM Undercarriage Parts for Komatsu
| 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.
Compatibility with Komatsu PC60-7 and Related Models
Our carrier roller is built to match the exact OEM specifications of Komatsu PC60-7. It also fits:
- PC60-7 / PC60LC-7
- PC60-6 (selected frame variants)
- PC75UU-1 / PC75UU-2 (with similar upper track systems)
If your excavator has been rebuilt or modified, we offer fitment checks using drawings or serial numbers.
OEM Reference Numbers for Accurate Replacement
This carrier roller is interchangeable with several OEM parts, including:
- 201-30-00051
- 201-30-00061
- 20Y-30-00020 (common in updated track frame setups)
We recommend confirming your machine’s undercarriage serial number before ordering.
Rigorous Quality Testing Before Delivery
Before packaging, each PC60-7 top roller undergoes:
- Shaft concentricity and surface hardness inspection
- Leak-proof grease sealing test
- Dynamic rotation testing for noise and resistance
- Dimensional verification using OEM-standard jigs
All units are shipped only after passing full inspection protocols.
Undercarriage Compatibility and Installation Guidance
This carrier roller works best when paired with original-spec bottom rollers, links, and sprockets. Our engineers recommend checking:
- Track chain tension
- Mounting bolt torque
- Sealing conditions before installation
If needed, we provide installation guides or can manufacture to custom specs upon request.
Frequently Asked Questions (FAQ)
Can this roller fit my older PC60-6?
Yes, if the frame and mounting dimensions match. Contact us with your serial number for confirmation.How long is the service life?
Under standard conditions, the lifespan typically exceeds 2,000 hours, depending on terrain and maintenance.Do you offer bulk discounts?
Yes. For orders over 50 units, we provide OEM branding and volume pricing.
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.
Quick Quote Request
Trusted by professionals worldwide, Kinton Parts supplies premium-quality components for excavators, bulldozers, and more—with reliable quality you can count on.
