High-Quality VIO50 Upper Carrier Roller for Yanmar Mini Excavator Undercarriage Parts
Premium Yanmar VIO50 carrier roller engineered with heavy-duty forged steel, heat treatment, and precision machining to ensure smooth track movement, reduced vibration, and longer undercarriage service life. Designed as a perfect OEM replacement for Yanmar mini excavators.
| 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.
The carrier roller, also known as the upper roller, plays an essential role in the Yanmar VIO50 excavator’s undercarriage system. Unlike the bottom track rollers that bear the machine’s ground load, the carrier roller is mounted on top of the track frame and primarily serves to support and guide the track chain from above. Its main functions include:
- Maintaining proper alignment of the track chain during operation.
- Reducing sagging in the upper portion of the track to improve travel stability.
- Minimizing wear on the track chain by distributing load evenly.
- Enhancing operator comfort by reducing vibration and noise during machine travel.
Without a reliable carrier roller, the track can slip out of alignment, leading to faster wear of the undercarriage components and reduced machine efficiency.
Materials and Advanced Manufacturing
Our Yanmar VIO50 carrier roller is built with premium materials and strict production standards to withstand the harshest working environments.
- High-Grade Forged Steel: Provides strength, durability, and resistance to cracking under heavy stress.
- Precision CNC Machining: Ensures accurate fit and alignment with the excavator’s track frame.
- Surface Hardening: The tread surface undergoes induction heat treatment to achieve HRC 52–58 hardness, greatly improving resistance against abrasion.
- Sealed Bearing Design: Equipped with heavy-duty floating seals and oil-filled lubrication to guarantee long-lasting smooth rotation.
- Corrosion Protection: Surface treated with anti-rust coating for improved durability in muddy, wet, or corrosive environments.
These features combine to provide long service life, reduced downtime, and improved overall machine reliability.
Production Workflow
The Yanmar VIO50 carrier roller is manufactured through a professional and systematic process:
Heat Treatment
Machining Process
CNC turning and milling ensure dimensional accuracy
Packing
Secure wooden crate packaging for safe delivery
OEM Undercarriage Parts for Yanmar
| BRAND | MACHINERY MODEL NUMBER | |||||||
|---|---|---|---|---|---|---|---|---|
| YANMAR | VIO10 | VIO15 | VIO17 | VIO20 | VIO25 | VIO27 | VIO30 | VIO35 |
| VIO40 | VIO45 | VIO50 | VIO55 | VIO57 | VIO60 | VIO70 | VIO75 | |
| VIO80 | VIO85 | VIO100 | B3 | B5 | B7 | B12 | B15 | |
| B17 | B20 | B22 | B25 | B27 | B30 | B35 | B37 | |
| B40 | B50 | SV05 | SV08 | SV15 | SV17 | SV18 | SV20 | |
| SV22 | SV25 | SV26 | SV30 | SV40 | SV50 | SV60 | SV70 | |
Looking for a specific make or model not listed here? Reach out and we’ll be happy to assist.
OEM Compatibility and Fitment
This carrier roller is specifically designed for the Yanmar VIO50 mini excavator and is a direct replacement for OEM components. Manufactured to exact OEM specifications, it ensures seamless installation without any modifications.
- Machine Model: Yanmar VIO50
- OEM Reference Numbers: Available upon request for verification
- Fitment Guarantee: Matches original factory specifications for size, shape, and performance
For customers managing multiple machines, we also provide cross reference seals and parts compatibility guidance, helping you quickly identify and source the correct undercarriage components.
Quality Assurance
Each Yanmar VIO50 carrier roller undergoes rigorous quality control procedures before shipment:
- Hardness Testing to confirm wear resistance levels.
- Dimensional Accuracy Checks with calibrated measuring instruments.
- Sealing Performance Evaluation to prevent oil leakage and extend bearing life.
- Load-bearing Simulation Tests replicating real-world excavator working conditions.
These strict measures ensure that every roller offers reliable performance, long lifespan, and minimized maintenance costs.
Application Scenarios
The Yanmar VIO50 carrier roller is widely used in various working environments:
- Urban Construction Projects: Provides stable track support during excavation and grading.
- Landscaping and Gardening: Helps maintain smooth track operation on soft ground.
- Utility Installation Work: Ensures reliable movement in tight and uneven areas.
- Rental Fleets: Ideal for fleets that demand high durability and low maintenance downtime.
Whether in rocky terrain, muddy fields, or compact job sites, the carrier roller delivers consistent support and reliable performance.
Why Choose Our Carrier Rollers?
✔ Forged from premium alloy steel for maximum durability
✔ Heat-treated for superior wear resistance
✔ Sealed bearing design for long service intervals
✔ OEM-standard precision for easy installation
✔ Strict quality control for reliable performance
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.
