Ramp offers to buy: Final Drive Assembly (Gearbox + Hydraulic Travel Motor) Komatsu 706-8J-01011 / 706-8J-01030 / 706-8J-01031 (PC450-7)

✅ In stock – order now

📄 Product Description:

OEM-spec complete final drive assembly for Komatsu PC450-7 excavators, including the planetary gearbox + hydraulic travel motor.

Designed for maximum torque output, smooth travel performance, and long operating life, this travel device is built according to Komatsu factory standards.

Ideal replacement for worn, leaking, or damaged final drive units, ensuring reliable operation under continuous heavy excavation and mining workloads.

🔧 Compatibility (Applications):

Compatible Machines:

• Komatsu PC450-7

• Komatsu PC450-8 (partial compatibility; verify per serial number)

• Komatsu PC400-7 / PC400-8 (selected models, depends on motor/gear ratio)

Part Numbers:

• 706-8J-01011 — Complete Final Drive Assembly

• 706-8J-01030 — Hydraulic Travel Motor

• 706-8J-01031 — Planetary Gearbox / Travel Reduction Gear

• (706-8J-01011 may be superseded by 706-8J-01010 depending on production year)

Application:

High-torque travel device for 45–50 ton class Komatsu excavators.

🔁 Cross-reference / Alternative Part Numbers:

May replace or interchange with:

• 706-8J-01010

• 706-8J-01012

• 203-60-75100

• 203-60-75110
  
  (depends on gear ratio and travel motor version)

🛠 Specifications:

• Manufacturer: OEM / Komatsu-approved supplier

• Type: Final Drive Assembly (Gearbox + Hydraulic Travel Motor)

• Components Included:

  • Hydraulic travel motor

  • Planetary reduction gearbox

  • Sun gear, planetary gears, carrier

  • Bearings and seals

• Gear Ratio: OEM PC450-7 standard

• Torque Output: High-capacity for heavy digging and climbing

• Motor Type: Axial piston hydraulic motor

• Condition: Brand new

• Packaging: Export-grade wooden crate

• Warranty: Manufacturer’s limited warranty

⭐️ Key Features:

• Complete OEM-spec travel device for Komatsu PC450-7

• High torque for strong tracking and gradeability

• Reinforced planetary gear system for long service life

• Smooth, stable travel performance under heavy load

• Heavy-duty seals for long-term leak protection

• Direct bolt-on fit, no modifications required

• Factory-tested for flow, pressure, speed, and torque