CATBrake Parts

9W7018 Disc Friction — Cat 769C

This is a CAT Friction Disc, a critical component in the braking system that generates the necessary friction for slowing and stopping the machine. Manufactured to meet stringent OEM quality benchmarks, it provides consistent friction properties and durability under demanding conditions. Operators may notice a spongy brake pedal, reduced braking effectiveness, or a burning smell from the brakes if this friction disc is worn or damaged.

Disc Friction – Part No 9W7018 – 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
MaterialHigh-Friction Composite
ApplicationBrake System
Service LifeReplace as needed based on wear inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial symptoms of a worn friction disc may include a longer stopping distance or a noticeable fade in braking performance under heavy use. If ignored, the disc can wear down to its backing plate, causing severe damage to other brake components and a significant loss of braking capability. Failure to replace worn friction discs poses a serious risk to operational safety.

Installation Tip

Ensure all friction surfaces are clean and free from any oil or grease before installation to achieve optimal friction. Avoid installing new friction discs without inspecting or replacing associated components like steel plates or seals.

Service Note

Inspect steel brake plates, seals, and brake fluid for wear or contamination when replacing friction discs.