E330C 320D 330C 320C 336D Top Roller Excavator Parts for CAT Carrier Roller Upper Roller

Specification

Key Features

Perfect Fitment: Custom-designed for CAT E320C, E320D, E330C, E336D and other compatible models, matching OEM specifications for hassle-free installation.
High-Strength Material: Forged from premium alloy steel, with quenching and tempering treatment, delivering exceptional wear resistance, impact resistance and fatigue strength to withstand harsh working conditions in mining and construction.
Precision Machining: Strict dimensional and geometric tolerances ensure smooth engagement with the track chain, reducing noise and vibration, and extending the service life of the entire undercarriage system.
Reliable Sealing: Equipped with high-efficiency dust-proof seals to prevent mud, sand and dust from entering, protecting internal bearings and lubrication systems, and significantly prolonging maintenance intervals.
Stable Load Bearing: As the upper carrier roller, it evenly distributes track tension and upper structure loads, ensuring the stability and safety of the excavator’s walking system during operation.

Product Description

This top roller (also known as carrier roller or upper roller) is a critical component of the undercarriage system for CAT excavators. It supports the upper track chain, guides proper track alignment, and absorbs shocks and vibrations during operation.
Our product is manufactured through integrated casting and precision machining, with a black anti-corrosion surface treatment for enhanced durability and appearance. From raw material sourcing to final inspection, we adhere to strict quality control standards to ensure each roller delivers consistent, reliable performance under heavy-duty working conditions, making it a cost-effective alternative to OEM parts.
It is ideal for earthmoving, mining, infrastructure construction and other demanding applications, serving as a reliable replacement part for CAT excavator owners.

Packaging & Shipping

Standard Industrial Packaging: Moisture-proof and shock-resistant packaging to protect products during transit.
Custom Packaging: Available upon request (neutral packaging, export packaging, etc.).
Global Delivery: Support for worldwide logistics to ensure safe and on-time delivery.

Why Choose Us?

Quality Assurance: Manufactured under ISO quality management system, with products tested to meet or exceed OEM performance standards.
Cost-Effective: Direct factory supply eliminates middlemen, offering competitive pricing without compromising quality.
Professional Support: Experienced technical team provides expert guidance on part selection, installation and after-sales service.
Ready Stock: Sufficient inventory for popular models ensures quick order fulfillment and shorter lead times.

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