Heavy-Duty Bulldozer Track Roller Double Flange Undercarriage Part for Komatsu D155
This high-performance double flange D155 Bulldozer track roller, ensuring superior stability, durability, and undercarriage support during large-scale earthmoving tasks. Engineered for longevity in mining, construction, and rough terrain applications.
| 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.
What Is the Role of the D155 Bulldozer Track Roller?
The track roller is a critical undercarriage component of the Komatsu D155 bulldozer. Positioned along the track frame, it bears the entire weight of the machine and ensures continuous engagement between the track chain and ground surface. The double flange design enhances lateral stability, especially on uneven or sloped terrain, effectively reducing the risk of track misalignment or derailment.
Premium Materials Ensure Long Lifespan for D155 Undercarriage Rollers
Durability starts with materials. For heavy-duty machines like the D155, every roller must endure extreme working environments, including high-impact loads and abrasive surfaces.
Key Material Specifications
- Roller Body: Forged from 45# steel, treated with surface hardening to achieve HRC52–58 hardness, ensuring excellent wear resistance.
- Shaft: High-strength 45# steel, precision machined and induction hardened for fatigue resistance.
- Bushings: Manufactured from 40Cr or 42CrMo alloy steel, offering excellent internal wear resistance and load-bearing capacity.
These materials provide the structural integrity required for 24/7 high-load operations in mining and construction sites.
Manufacturing Process for D155 Bulldozer Track Rollers
We utilize an advanced and standardized manufacturing workflow to ensure each D155 roller meets or exceeds OEM quality.
Summary of Production Highlights
The process includes precision forging, CNC machining, automatic welding, multi-stage heat treatment, and anti-corrosion surface coating. Each roller is assembled with high-performance oil seals and premium lubricants to ensure smooth operation.
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
Our automated machining, precision welding, and professional heat treatment process result in rollers that meet or exceed OEM standards.
OEM Undercarriage Parts for Komatsu Bulldozer
| BRAND | MACHINERY MODEL NUMBER | |||||||
|---|---|---|---|---|---|---|---|---|
| KOMATSU | D20 | D21 | D31 | D37 | D39 | D41 | D50 | D53 |
| D55 | D57 | D60 | D61 | D65 | D68 | D75 | D80 | |
| D85 | D85A-12 | D87 | D90 | D95 | D135 | D155 | D155A-1 | |
| D155A-2 | D155A-3 | D155A-5 | D155AX-6 | D155AX-7 | D275 | D275A-2 | D275AX-5 | |
| D275AX-5EO | D355 | D355A-3 | D375A-2 | D375A-3 | D375A-5 | D375A-6 | D375A-8 | |
| D475A-2 | D475A-3 | D475A-5 | D475A-8 | D475A-8EO | D575A | D575A-2 | D575A-3 | |
| D65EX-12 | D65PX-12 | D61EX-15 | D61PX-15 | D61EX-24 | D61PX-24 | D37EX-21 | D37PX-21 | |
| D39EX-21 | D39PX-21 | D39EX-24 | D39PX-24 | D51EX-22 | D51PX-22 | D51EX-24 | D51PX-24 | |
| D85EX-15E0 | D85PX-15E0 | D85EX-18 | D85PX-18 | D155AX-8 | D155AXi-8 | D375A-8EO | D475A-8EO | |
Looking for a specific make or model not listed here? Reach out and we’ll be happy to assist.
Strict Quality Control to Guarantee Reliable Performance
We conduct quality inspections at every key stage of production. Testing protocols for the D155 track roller include:
- Surface hardness testing after heat treatment
- Dimensional tolerance checks with digital calipers
- Assembly inspection to confirm bearing clearance and oil seal fit
- Rotation and sealing test after final assembly
Only components that pass all inspections are packed and shipped to ensure reliability in the field.
Compatibility with Komatsu D155 Series Bulldozers
This double flange track roller is engineered for a perfect fit with the following Komatsu models:
Komatsu D155A / D155AX / D155AX-5 / D155AX-6 / D155AX-8
Please reach out if you need help confirming compatibility for special undercarriage configurations.
Application Scenarios – Where D155 Track Rollers Perform Best
Built for Heavy Earthmoving Demands
The Komatsu D155 is commonly used in:
- Open-pit mining operations
- Road and dam construction
- Waste landfills and forestry clearance
- Oil pipeline groundwork in desert or mountain terrain
In these high-load and high-impact environments, our D155 track rollers deliver dependable support, maintaining track alignment and absorbing vibration to reduce undercarriage wear.
Why Choose Our Komatsu D155 Track Rollers?
Advantages You Can Rely On
OEM-quality manufacturing, fully interchangeable with original parts
Factory-direct pricing and global shipping
Experienced in bulk OEM supply and private label customization
Responsive after-sales support for technical and commercial inquiries
We specialize in undercarriage parts and understand your machine’s needs down to every detail.
FAQ – Frequently Asked Questions About D155 Track Rollers
- Q1: Are these rollers pre-greased and sealed?
Yes, all D155 track rollers are factory-assembled with high-temperature grease and quality seals, ready to install.
- Q2: Can I use your rollers for D155AX-6 models?
Yes, our design supports full compatibility with D155AX-5/6/8 variants. Please provide serial number for extra precision.
- Q3: Do you offer warranty support?
We offer a 12-month warranty under normal operating conditions. Extended warranty can be arranged for OEM bulk orders.
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.
