CATBrake Parts

6i9255 Disc-Friction — Cat 589 627E

This friction disc is a key element in the wet brake or clutch system, designed to engage and disengage power transmission by creating controlled friction. Manufactured to precise standards, it ensures smooth operation and reliable performance, unlike worn discs that can cause slipping or erratic engagement. Operators may experience delayed engagement, shuddering during operation, or a loss of power when this friction disc fails.

Disc-Friction – Part No 6i9255 – CAT Spare Part
Part Specifications
BrandCAT
CategoryBrake Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Installation & Application Notes

Always replace brakes in axle sets. Bed-in new brake pads with 8–10 moderate stops from 40 km/h. Check disc runout with a dial gauge — maximum 0.1 mm. Inspect caliper slides and pistons when replacing pads.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeFriction Disc
MaterialSintered bronze or composite friction material
ApplicationBrake or clutch system
Service LifeReplace based on wear and operating conditions
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

Early signs of a failing friction disc include a delay in engagement, noticeable shuddering during operation, or a burning smell from overheating. If ignored, the disc can wear down completely, leading to complete loss of braking or drive function. Inability to control power transmission poses a significant risk to equipment operation.

Installation Tip

Ensure all friction and steel plates are soaked in the correct hydraulic fluid for the specified time before assembly to prevent initial glazing. Avoid mixing old and new plates unless explicitly instructed by service documentation.

Service Note

Inspect all steel plates, seals, and the hydraulic fluid for contamination or debris when replacing the friction disc.