CATBrake Parts

1210669 Disc-Friction — Cat D11R D11T

This friction disc is a critical component within the braking system, designed to engage with other clutch plates to generate the friction necessary for slowing or stopping the equipment. It is manufactured to meet stringent Caterpillar standards, ensuring superior durability and performance compared to worn or damaged discs that exhibit reduced friction material and potential warping. Operators may notice a spongy brake pedal, delayed stopping response, or a burning smell when this disc begins to fail.

Disc-Friction – Part No 1210669 – 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 material
ApplicationBrake system
Service LifeReplace as needed based on wear inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of a failing friction disc include a longer stopping distance or a slight delay in brake engagement. If ignored, the braking performance will continue to degrade, potentially leading to overheating of the brake system. Continued operation with severely worn friction discs can compromise the ability to safely control the equipment.

Installation Tip

Ensure the brake housing is thoroughly cleaned of all old friction material and debris before installation. Avoid overtightening fasteners, as this can warp the disc or damage the mating surfaces.

Service Note

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