Large crawler excavators working in mining, quarrying and heavy construction environments require a powerful travel system to handle continuous movement, heavy loads and challenging ground conditions. Long-term operation under such workloads places significant stress on hydraulic motors, planetary gears and reduction mechanisms, which may result in weak travel force, slow crawler movement, abnormal noise or reduced machine efficiency. 31Q4-40040 Travel Motor Assembly is developed for Hyundai R140LC-9, R145CR-9 and R150-9 excavators, integrating with the hydraulic track drive system to provide reliable torque transmission and smooth crawler operation.
Item NO.:
31Q4-40040Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time：
2-3 DAYSEfficient excavator maintenance depends on selecting the correct travel drive components and ensuring proper system compatibility. The 31Q4-40040 Hydraulic Final Drive Travel Motor Assembly provides a dependable replacement solution for Hyundai R140LC-9, R145CR-9 and R150-9 travel systems, supporting repair workshops, mining service providers and excavator parts distributors with stable power transmission and reliable operating performance. RITO delivers professional hydraulic parts support through accurate part verification, inspection before shipment and consistent B2B supply solutions.
| Part Number | 31Q4-40040 |
|---|---|
| Part Name | Hyundai Excavator Travel Motor Assembly |
| Compatible Brand | Hyundai |
| Applicable Models | R140LC-9, R145CR-9, R150-9 Excavator |
| Application | Excavator hydraulic travel drive system |
| Material | High-strength metal housing, precision hydraulic components, and hardened planetary gear components |
| Product Color | black/Original equipment style color |
| Working Temperature | Designed for standard excavator hydraulic operating conditions |
| Key Function | Converts hydraulic energy into mechanical rotation, providing driving torque for excavator track travel operation |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |
Transfers hydraulic power through the reduction gear system, delivering strong driving force and stable crawler movement for Hyundai R140LC-9, R145CR-9 and R150-9 excavators.
Features a durable gearbox design with planetary reduction components to support smooth rotation and efficient torque multiplication under heavy-duty travel conditions.
Applied to Hyundai R140LC-9, R145CR-9 and R150-9 travel systems, with reference 31Q4-40040 for replacement identification.
Provides a practical replacement option for repair providers and distributors requiring dependable final drive and travel motor components.
FAQ
Q: What are the common symptoms of a failing 31Q4-40040 travel motor?
A: Typical warning signs include weak or uneven travel force, slow crawler movement, the machine drifting to one side while travelling, abnormal noise from the travel drive, and hydraulic oil overheating during long travel cycles.
Q: What should be checked before installing the 31Q4-40040 travel motor assembly?
A: Confirm the original part number, excavator model and travel system configuration, inspect the mounting surface and bolt-hole alignment, verify hydraulic oil cleanliness, and flush the travel circuit to remove any debris from the previous failure before installation.
Q: Is this 31Q4-40040 a genuine OEM or aftermarket part?
A: This is a 100% new aftermarket assembly manufactured to OEM specifications. RITO HYDRAULIC is a listed factory and supplier to major Chinese excavator OEMs and Fortune 500 companies.
Q: How to confirm the 31Q4-40040 fits my excavator model?
A: Cross-check your existing part number against 31Q4-40040. This travel motor assembly fits Hyundai R140LC-9, R145CR-9 and R150-9 excavators. Contact our technical team with your serial number for compatibility confirmation.
Q: What quality options are available?
A: We provide original, OEM and high-quality aftermarket versions with stable supply capability.
Q:Why Choose RITO?
A: Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companies
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