VolvoHydraulic Parts

14780711 — Shaft Coupling 14780712 14733243 14780711 For Volvo Excavator Ec480E Ec500E Ec750D

This shaft coupling connects rotating shafts within the drivetrain or hydraulic pump system of Volvo excavators, transmitting torque smoothly and absorbing minor misalignments. It is constructed from durable, high-strength materials to withstand operational stresses, unlike a worn or cracked coupling that can lead to vibration and power interruption. Operators may observe increased vibration during operation, unusual noises from the drivetrain, or a sudden loss of power transmission when this coupling fails.

Shaft Coupling 14780712 14733243 14780711 For Volvo Excavator Ec480E Ec500E Ec750D – Part No 14780711 – Volvo Spare Part
Part Specifications
BrandVolvo
CategorySpare 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

Cross-reference part number with serial number before ordering to confirm fitment. Keep original parts until new ones are confirmed correct. Record part numbers replaced for future reference.

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

Part TypeShaft Coupling
MaterialSteel Alloy
ApplicationDrivetrain/Hydraulic Pump Connection
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial symptom of a failing shaft coupling is often an increase in drivetrain vibration, particularly under load. This can escalate to audible knocking or rattling sounds as the coupling components wear or break. Continued operation with a compromised coupling risks further damage to connected components and potential drivetrain failure.

Installation Tip

Ensure the shafts being connected are properly aligned before installing the coupling. Do not overtighten fasteners, as this can distort the coupling or damage the mounting surfaces.

Service Note

Inspect the connected shafts for wear, the mounting hardware for tightness, and any associated bearings or seals when replacing this shaft coupling.