D6D D6E D6N D6M Bulldozer Undercarriage Part Track Roller fit Caterpillar CAT Dozer

Heavy-duty track rollers for Caterpillar bulldozers D6D, D6E, D6N, and D6M. Designed with forged steel, precision heat treatment, and a reliable sealing system, these rollers deliver long-lasting durability and stable performance under the toughest working conditions.

Material50Mn/40MnB
Surface HardnessHRC53-58,deepth: 8-12mm
ColorsBlack or yellow or customized
Flange TypeSingle Flange
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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.

BULLDOZER UNDERCARRIAGE PARTS FOR INQUIRY NOW
Description

The track roller, also called the bottom roller, is one of the most critical components in the undercarriage system of Caterpillar bulldozers. It directly supports the weight of the machine and transfers it to the ground through the track shoes. At the same time, the roller guides the track chain, ensuring proper alignment and smooth motion even on uneven surfaces. For Caterpillar models D6D, D6E, D6N, and D6M, the quality of the track roller directly affects working efficiency, operating stability, and service life of the entire undercarriage system.

Material and Heat Treatment

To withstand extreme working conditions such as heavy loads, impact forces, and abrasive soil contact, these track rollers are manufactured using premium 45# steel and 42CrMo alloy steel. The forging process refines the metal structure, while CNC machining ensures dimensional accuracy. Each roller undergoes surface induction hardening, bringing hardness up to HRC 52–58, which creates a wear-resistant surface while keeping the inner core tough and resilient. This dual property allows the rollers to resist cracks, deformations, and premature wear even in rocky or muddy terrains.

Manufacturing Process and Quality Control

Every Caterpillar track roller we produce goes through a carefully controlled process. Forging, machining, hardening, and assembly are carried out under strict technical standards. During production, rollers are tested for surface hardness, dimensional accuracy, sealing integrity, and load-bearing capacity. Oil-leak detection and metallographic inspection are also performed to ensure consistent reliability. Only components that pass every quality checkpoint are approved for packaging and shipment, guaranteeing customers dependable performance in the field.

track roller Heat treatment
Heat Treatment
Enhances surface hardness and structural integrity
track roller Process
Machining Process

CNC turning and milling ensure dimensional accuracy

track roller Assembly
Assembly

Each roller is assembled with precision internal components

track roller Running test
Running Test

Simulated load test to verify functionality

track roller Paint spraying
Paint Spraying

Anti-rust coating for surface protection

track roller Packing
Packing

Secure wooden crate packaging for safe delivery

Features and Benefits

Our Caterpillar D6 series track rollers are engineered for durability and reliable performance:

  • Heavy-duty load capacity to handle the operating weight of D6 bulldozers in continuous duty cycles.
  • Extended wear resistance thanks to precise heat treatment and high-strength materials.
  • Sealed and lubricated design that keeps out dirt, mud, and water, minimizing maintenance.
  • Accurate OEM compatibility, ensuring easy installation without modifications.
  • Optimized roller shape for smoother ground contact and reduced vibration.

These advantages combine to lower the total cost of ownership by reducing downtime and extending undercarriage service life.

Compatibility & OEM Fitment

This track roller is designed for Caterpillar bulldozers, compatible with the following models:

  • Caterpillar D6D, Caterpillar D6E, Caterpillar D6N, Caterpillar D6M

OEM reference numbers are available upon request, and customers can provide part numbers or casting codes for confirmation.

BRANDMACHINERY MODEL NUMBER
CATERPILLARD3D3CD3KD3K2D4D4CD4HD4K2
D5D5BD5CD5HD5KD5K2D5LGPD5N
D5RD6D6BD6CD6DD6GD6HD6K
D6K2D6MD6ND6RD6TD6XED7D7E
D7GD7HD7RD7R IID7TD8D8HD8K
D8LD8ND8RD8TD9D9GD9HD9N
D9RD9TD10D10ND10RD10TD10T2D11
D11ND11RD11TD11T CDD11T2D3XLD5XLD6XL
D6LGPD7LGPD8LGPD9LGPD5C LGPD4G XLD6G2D5G
D3GD3C IIID4ED5ED6ED6SD8SD10S

Looking for a specific make or model not listed here? Reach out and we’ll be happy to assist.

Application Scenarios

Track rollers for the Caterpillar D6 series bulldozers are widely used in construction, mining, road building, forestry, and land reclamation projects. In each of these environments, the rollers face continuous stress from rough terrain and abrasive conditions. A reliable roller ensures the machine maintains proper traction, reduces energy loss, and operates smoothly without unnecessary downtime.

Maintenance Tips

To maximize the service life of Caterpillar bulldozer track rollers, proper maintenance is crucial. Regularly check for signs of abnormal wear, cracks, or oil leakage. Keep the track tension within recommended specifications to avoid excess load on the rollers. Cleaning the undercarriage after operation helps prevent mud and stone buildup that accelerates wear. When possible, replace rollers in pairs or sets to maintain even load distribution and stability across the undercarriage.

Why Choose Our Track Rollers

We specialize in undercarriage parts for Caterpillar bulldozers and supply a complete range including track rollers, carrier rollers, sprockets, idlers, and track links. Our D6 series rollers are manufactured to strict OEM standards, offering the same fit and performance as original parts but at more competitive pricing. By choosing our rollers, dealers and end-users benefit from dependable quality, long service life, and excellent value.

Shipping & Delivery

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.

excavator parts loading truck 4
excavator parts loading truck 2
excavator parts loading truck 1

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.

BULLDOZER UNDERCARRIAGE PARTS FOR INQUIRY NOW