Hitachi ZX33U Zaxis Mini Excavator Carrier Roller 4442145 Top Roller 4640106 Upper Roller 4392416 Undercarriage Spare Parts 4423019

Product Overview

Our Hitachi ZX33U Carrier Rollers (also known as Top Rollers or Upper Rollers) are vital components for your mini excavator's undercarriage system. They are designed to support the weight of the track chain and ensure it travels smoothly over the undercarriage frame. Whether for landscaping, construction, or utility work, our rollers provide the reliability your Zaxis series machine demands.

Key Features & Benefits

• Perfect Fit for ZX33U: Fully compatible with Hitachi Zaxis 33U models, adhering to strict original equipment manufacturer (OEM) standards.
• Heavy-Duty Construction: Manufactured from high-density 40Mn2 or 50Mn forged steel for maximum structural strength.
• Precision Hardening: The roller shell undergoes induction hardening (HRC 50-56), significantly extending the service life even in abrasive soil conditions.
• Superior Sealing System: Equipped with high-quality mechanical seals and bimetal bushings to prevent oil leakage and keep dust/water out.
• Zero Maintenance: Factory-lubricated for life, reducing the need for daily maintenance and lowering overall operating costs.

Technical Specifications

Why Partner With Us?

We understand that for mini excavators, precision and reliability are everything. Our ZX33U undercarriage parts are tested under extreme loads to ensure they outperform standard aftermarket alternatives. By choosing our carrier rollers, you get the perfect balance of OEM quality and factory-direct pricing, helping you keep your Hitachi fleet running at peak performance.