Excavator Carrier Rollers (Top Rollers)

Engineered for Reliability and Extended Wear Life

The carrier roller (or top roller) plays a crucial role in supporting the track chain and maintaining proper tension. A failed carrier roller can cause track sag, leading to misalignment and accelerated wear on the entire undercarriage system.

Yile Machinery manufactures heavy-duty carrier rollers that are built to last. By using high-quality materials and a superior seal system, our rollers provide a reliable, maintenance-free solution that reduces your long-term operating costs and keeps your machines productive.

Why Our Carrier Rollers Excel: The Anatomy of a Durable Roller

A carrier roller is only as strong as its weakest link. We focus on perfecting every component to ensure maximum service life.

1. Robust Roller Body (Forged or Cast):

• The body is manufactured from wear-resistant boron steel (like 40Mn2 or 50Mn) through either a forging or precision casting process. This provides a tough, durable foundation to withstand the constant motion of the track.

2. Deep Hardened Tread:

• The roller's running surface is induction hardened to a depth that ensures long-term wear resistance. With a surface hardness of HRC 52-58, our rollers resist the abrasive action of the track chain, maintaining their profile for longer.

3. High-Strength Shaft:

• The precision-machined shaft is made from high-strength steel (e.g., 45# or 40Cr) that has been hardened and tempered for optimal toughness and resistance to bending.

4. The Critical Seal System:

• This is the key to a roller's survival. We use a high-performance Duo-Cone (dual-cone) seal system. This metal-to-metal seal provides lifetime protection, keeping the internal lubrication oil in and abrasive materials like dirt, sand, and water out. This makes our rollers lubricated-for-life and maintenance-free.

OEM-Compatible for All Major Excavator & Bulldozer Brands

Our carrier rollers are designed to be direct, guaranteed-fit replacements for original equipment. We manufacture top rollers for an extensive range of machines, including:

• Caterpillar

• Komatsu

• Hitachi

• Volvo

• Liebherr

• Hyundai

• Doosan

• JCB

• And many more...

Simply provide your machine make and model for a perfect match.

Quality Assurance You Can Rely On

• Material Certification: All raw materials are certified and tested.

• Hardness & Depth Testing: We verify that the hardened layer meets or exceeds design specifications.

• Seal Leak Testing: Every roller is pressure tested to ensure a perfect seal before shipment.

• Dimensional Checks: Precision measurements guarantee a perfect fit with your excavator's track frame.

Technical Specifications

Reduce Your Undercarriage Costs. Get a Quote for a Reliable Carrier Roller.

Contact us with your machine model and part number to get a competitive price on a top roller built to last.