Track Roller Undercarriage Bottom Roller Replacement Used on Komatsu PC100 Excavator
Heavy-duty track roller replacement for Komatsu PC100 excavators. Precision-engineered to ensure stable undercarriage performance, extended wear life, and OEM fitment.
| Material | 50Mn/40MnB |
|---|---|
| Surface Hardness | HRC53-58,deepth: 8-12mm |
| Colors | Black or yellow or customized |
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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.
Excavator Track Roller Function & Application in Komatsu PC100
The Komatsu PC100 excavator track roller, also known as a bottom roller or lower roller, is critical to supporting the machine's weight and guiding the track chains smoothly along rugged terrains. It ensures balanced movement, reduces undercarriage wear, and stabilizes the machine during digging, traveling, and lifting operations.
This component also absorbs operational shocks, protecting other undercarriage parts. A durable and precisely manufactured roller significantly minimizes machine downtime and extends overall service life in tough jobsite conditions.
Track Roller Materials Used and Manufacturing Craftsmanship
The PC100 bottom roller is made of high-grade alloy steel 50Mn or 40MnB, selected for its excellent strength, toughness, and wear resistance. Through advanced forging and surface quenching, the roller achieves a hardened shell for durability and a resilient core to absorb impacts.
CNC precision machining guarantees tight tolerances, allowing for perfect sealing, smooth rotation, and consistent concentricity. Every roller is built to meet the high-frequency demands of modern construction operations.
PC100 Track Roller Manufacturing Process Overview
To ensure optimal performance and structural reliability, each PC100 track roller undergoes the following processes:
Heat Treatment
Machining Process
CNC turning and milling ensure dimensional accuracy
Assembly
Running Test
Simulated load test to verify functionality
Paint Spraying
Anti-rust coating for surface protection
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.
Quality Assurance
All PC100 rollers pass through multiple quality control stages, including:
- Hardness inspection of outer surfaces
- Concentricity and dimensional accuracy testing
- Sealing integrity evaluation
- Load-bearing and rotational consistency tests
Only rollers that pass our strict tolerance criteria are approved for shipment, ensuring reliable field performance and customer satisfaction.
Komatsu PC100 Undercarriage Compatibility
This excavator bottom roller is precisely engineered for the Komatsu PC100 series, ensuring OEM-standard fitment, strength, and durability.
Compatibility Highlights
- 100% interchangeable with Komatsu original parts
- Matches OEM dimensions and mounting specs
- Designed for both domestic and international markets
- Custom tonnage or configurations available upon request
Whether you're replacing a single undercarriage roller or managing bulk fleet maintenance, this component offers excellent value and lasting durability.
Maintenance Tips
- Regularly inspect for oil leaks and wear
- Replace rollers in pairs to ensure balanced wear
- Keep track chain tension within recommended range
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.
