CATTransmission Parts

50ac-12t Rubber Drive Shaft Coupling — Cat E180B E200B

This Rubber Drive Shaft Coupling is a flexible connector in the drivetrain, designed to absorb torsional vibrations and minor misalignments between rotating components. It is manufactured to meet high OEM standards for durability and flexibility, ensuring smooth power transmission unlike a cracked or hardened coupling. Operators may experience increased vibration, unusual noises during acceleration, or a noticeable shudder if this coupling begins to deteriorate.

Rubber Drive Shaft Coupling – Part No 50ac-12t – CAT Spare Part
Part Specifications
BrandCAT
CategoryTransmission 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

Drain and replace transmission fluid when servicing internal components. Use correct ATF specification. Pre-fill torque converters with fluid before installation. Allow 10 minutes for fluid to settle before checking level.

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

Part TypeDrive Shaft Coupling
MaterialReinforced Rubber
ApplicationDrivetrain Vibration Damping
Service LifeReplace based on inspection for cracks or hardening, typically 3,000-6,000 hours
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early signs of a failing rubber drive shaft coupling may include a slight increase in drivetrain vibration or a clunking sound when engaging the drivetrain. If ignored, this can progress to more severe shaking, accelerated wear on adjacent components, and potential loss of drive. Continued operation risks complete failure of the coupling, leading to drivetrain disconnection.

Installation Tip

Ensure the splines on both the shaft and the coupling are clean and lightly lubricated before assembly. Avoid using excessive force to slide the coupling into place, as this can damage the rubber element.

Service Note

Inspect the universal joints and center support bearing on the driveshaft for wear when replacing the rubber drive shaft coupling.