CATBrake Parts

9V8693 Actuator G — Cat 528g 936

This is a G-actuator, a component within the braking system that converts hydraulic or pneumatic pressure into mechanical force to engage the brakes. It is built to precise specifications for reliable operation and durability, unlike a worn actuator that may leak or seize. Operators may notice a stiff brake pedal, reduced braking force, or a complete loss of braking ability when this actuator fails.

Actuator G – Part No 9V8693 – 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 TypeBrake Actuator
MaterialSteel and rubber seals
ApplicationBrake system actuation
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing G-actuator may initially present as a stiff or unresponsive brake pedal. If left unaddressed, braking force will diminish, leading to longer stopping distances and potential brake fade. The ultimate consequence is the inability to safely stop the equipment, posing a significant operational hazard.

Installation Tip

Ensure the actuator mounting surfaces are clean and free from corrosion before installation. Avoid applying excessive force to the actuator rod during installation, as this can damage internal seals.

Service Note

Inspect brake lines and connections for leaks and check the brake fluid or air pressure levels.