Product Overview

The Carrier Roller, also known as Top Roller or Upper Roller, is mounted on the upper section of the track frame of Case CX130 and CX130B crawler excavators.

Its main function is to support the upper track chain, maintain proper chain alignment and reduce friction during machine travelling. A properly working carrier roller helps improve travelling stability and extends the service life of the complete undercarriage system.

A worn or damaged carrier roller may result in:

• Track chain vibration
• Abnormal travelling noise
• Increased track resistance
• Uneven chain movement
• Accelerated wear of track links and bushings
• Higher maintenance frequency

Our CX130/CX130B carrier rollers are manufactured using professional undercarriage production technology and provide a reliable replacement solution for equipment distributors, repair workshops and fleet operators.

Key Features & Benefits

Wide Compatibility

Designed for:

Case CX130 / CX130B

Suitable for:

• General construction
• Excavation projects
• Earthmoving applications

High-Strength Alloy Steel

Manufactured from:

40Mn2 Alloy Steel

Benefits:

• High structural strength
• Good impact resistance
• Strong fatigue resistance
• Excellent wear performance
• Long service life

Precision Heat Treatment

Typical specification:

• Surface hardness: HRC 52-58
• Hardening depth: 5mm-10mm

The hardened surface improves resistance against continuous track-chain contact and abrasive working conditions.

Reliable Sealing System

Equipped with:

• Heavy-duty floating oil seals
• Wear-resistant bushings
• Lifetime internal lubrication

The sealing system prevents lubricant leakage and protects internal components from mud, dust and water contamination.

OEM-Style Direct Replacement

Manufactured with controlled:

• Roller diameter
• Shaft dimensions
• Mounting dimensions
• Track chain contact surface

Designed for direct installation after confirming correct specifications.

Technical Specifications