D6D D6E D6N D6M Dozer Carrier Roller Wholesale for Caterpillar Bulldozer

This carrier roller is designed for Caterpillar bulldozers D6D, D6E, D6N, and D6M. Made from high-strength alloy steel with precise heat treatment, it ensures superior load-bearing capacity, long service life, and stable undercarriage performance in the toughest working conditions.

Material50Mn/40MnB
Surface HardnessHRC53-58,deepth: 8-12mm
ColorsBlack 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.

BULLDOZER UNDERCARRIAGE PARTS FOR INQUIRY NOW
Description

This carrier roller (also known as the upper roller) for Caterpillar D6 bulldozer models is a critical component in the undercarriage system, designed to support and guide the upper track chain during operation. As a durable top roller for bulldozer undercarriage systems, it helps maintain proper track alignment, prevents excessive track sag, and ensures smooth track movement across various working conditions.

Engineered as a reliable replacement carrier roller for Caterpillar D6 series, it plays an essential role in reducing vibration, improving traction efficiency, and protecting track links and rollers from uneven wear. Built for demanding environments, this heavy-duty bulldozer carrier roller for construction and mining applications delivers stable performance and extended service life, even on rugged and uneven job sites.

Material and Manufacturing

To meet the demanding requirements of bulldozer operations, our carrier rollers are manufactured from high-quality 45# steel and 42CrMo alloy steel, which provide excellent resistance to wear and impact.

  • Forging and machining: Each roller shell is forged to refine the grain structure, then CNC-machined for precision.
  • Heat treatment: Induction hardening ensures surface hardness between HRC 52–58, giving the roller a hard-wearing outer layer while maintaining a tough, impact-resistant core.
  • Sealing system: Multi-layer sealing prevents dust, mud, and moisture from entering, which is critical for extending service life in construction and mining environments.

This combination of advanced material and processing guarantees reliability even under heavy loads and continuous duty cycles.

carrier roller Heat treatment

Heat Treatment

Enhances surface hardness and structural integrity
carrier roller Process

Machining Process

CNC turning and milling ensure dimensional accuracy

Top roller Packing

Packing

Secure wooden crate packaging for safe delivery

Compatibility & OEM Reference

Our carrier roller is specifically engineered for Caterpillar D6 series bulldozers, including D6C, D6D, D6N, and D6M. Designed according to OEM specifications, it ensures precise fitment, stable track guidance, and reliable performance in demanding working conditions.

We also support additional D6 configurations with the following OEM-compatible options:

  • D6C Carrier Roller – 9S2730
  • D6T Carrier Roller – 3954325

All carrier rollers are manufactured with strict dimensional control and high-strength materials, allowing direct replacement of original parts without modification.

OEM reference numbers are available for cross-checking upon request. Customers are welcome to provide part numbers or casting codes for accurate verification, ensuring the correct match for their specific machine and application.

BRAND MACHINERY MODEL NUMBER
CATERPILLAR D2 D3 D4 D5 D5K2 D5N D6R D6K2
D6N D6T D7R D7E D7G D8R D8T D9T
D9R D9 D10N D10T D11T D8T D9T D10T
D10T2 D11 D11R D11T D11T2 D10T D11T D11R
D11T D11R D11T D8T D8R D9T D9R D10T
D10T2 D11R D11T D11R D11T D10T2 D11T D11R
D6K2 D6K2 LGP D6N D6N LGP D6T D6T LGP D4K2 D4K2 LGP
D5K2 D5K2 LGP D6K2 D6K2 LGP D6N D6N LGP D6K2 D6K2 LGP
D8T D8T LGP D8R D8R LGP D9T D9T LGP D10T2 D11T

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

Key Features and Advantages

  • Heavy-duty construction designed to withstand the operating weight of Caterpillar D6 bulldozers.
  • Enhanced wear resistance, reducing the frequency of replacements and lowering maintenance costs.
  • Sealed and lubricated system for long-lasting performance with minimal upkeep.
  • Precision fit with OEM specifications, ensuring smooth installation without modifications.
  • Balanced design to reduce vibration and noise, improving operator comfort and undercarriage stability.

Quality Control and Testing

Each Caterpillar D6 series carrier roller undergoes strict quality inspections before leaving the factory. This includes:

  • Dimensional checks to ensure accurate machining and proper installation fit.
  • Hardness and metallographic testing to confirm uniform heat treatment.
  • Load-bearing simulations that replicate real working conditions.
  • Sealing and oil-leak tests to guarantee reliable lubrication over long-term use.

Only rollers that meet these rigorous standards are shipped to customers, ensuring confidence in every replacement.

Application Scenarios

Carrier rollers for the D6 series are widely used in construction sites, mining operations, road building, land clearing, and other demanding projects. In these environments, the roller must resist constant shock, abrasive soil contact, and heavy load transfer. High-quality rollers not only extend undercarriage service life but also help maximize machine productivity and reduce downtime.

Why Choose Us

We specialize in undercarriage parts for Caterpillar bulldozers and supply a full range including track rollers, carrier rollers, idlers, sprockets, and track links. Our carrier rollers for the D6D, D6E, D6N, and D6M are manufactured to strict OEM standards, yet competitively priced, making them a cost-effective solution for both dealers and end users worldwide.

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