Ramp offers to buy: Final Drive Assembly (Final Drive Gearbox + Hydraulic Travel Motor) Hyundai 31N9-40020 for R330LC-7

✅ In stock – order now

📄 Product Description:

OEM-quality complete final drive assembly for Hyundai R330LC-7 excavators. This unit includes the hydraulic travel motor and the planetary reduction gearbox, supplied fully assembled and ready for direct bolt-on installation. Designed for high torque output, smooth travel performance, and long service life in heavy excavation, quarry, and mining environments.

🔧 Compatibility (Applications):

Compatible Hyundai Excavators:

• Hyundai R330LC-7

• Hyundai R330-7

• Other 33-ton Hyundai machines using final drive P/N 31N9-40020

Function: Travel / propel system

Type: Final drive gearbox + hydraulic travel motor

🔁 Cross-Reference / Part Numbers:

• 31N9-40020

• 31N9-40021

• 31N9-40022

• Equivalent OEM references

🛠 Specifications:

• Manufacturer: OEM / Hyundai-approved supplier

• Type: Hydraulic travel motor + planetary gearbox

• Torque: High-output torque for heavy-duty travel

• Condition: New / replacement

• Included Components:

  • Hydraulic travel (stroke) motor

  • Planetary reduction gearbox

  • Carrier, sun & planet gears

  • Main output shaft

  • Bearing set

  • Seal kit

• Packaging: Export-grade wooden crate

• Warranty: Manufacturer’s limited warranty

⭐ Key Features:

• Fully assembled travel device (motor + gearbox)

• Direct bolt-on replacement for R330LC-7

• High torque and smooth travel speed

• Heavy-duty planetary gear design

• Factory-tested to OEM pressure and torque standards