708‑7F‑00040 MOTOR ASSEMBLY is a heavy‑duty hydraulic drive motor developed for Komatsu D85 track dozer. Converting hydraulic pressure flow into powerful mechanical rotation torque, this motor provides reliable driving force for the working system of the dozer under high‑load earth‑moving, land‑clearing and site‑leveling conditions. The robust housing, precision internal components and well‑sealed structure resist heavy vibration, dust contamination and pressure impact on harsh construction sites, delivering stable output performance during long‑term continuous heavy‑load operation.
Convert hydraulic power into mechanical torque for dozer working system
Condition
New, Standard OEM Specification
Origin
China
Warranty
6 months
Applications
Suitable for open‑pit mining stripping, highway foundation construction, land reclamation, stockyard leveling and other heavy‑duty working scenarios of Komatsu D85 crawler dozer.
Why Choose Us
Complete Komatsu dozer spare parts supply
We provide hydraulic motors, main pumps, undercarriage parts and engine components for Komatsu D85 series dozers, supporting quick procurement by original part number.
Rigorous pre‑delivery quality testing
Each 708‑7F‑00040 motor assembly undergoes hydraulic pressure test, sealing inspection and performance check before leaving warehouse to adapt to high‑load mine and construction environments.
Stock preparation for key hydraulic components
Hydraulic motor assemblies are core power parts of tracked dozers. We maintain inventory to support fast delivery and reduce on‑site equipment downtime.
Cost‑effective replacement spare parts
We supply Komatsu‑spec replacement spare parts for global machinery dealers, repair workshops and construction contractors without extra intermediate costs.
Professional global export service
We provide complete export documents, shock‑resistant and moisture‑proof wooden packaging, flexible sea and air shipping solutions for cross‑border transportation.
Professional pre‑sales compatibility confirmation
If you are uncertain whether this motor assembly fits your Komatsu machine, share the machine serial number, our team will verify the match within 24 hours to prevent incorrect orders.
Packaging
Oil ports are sealed with anti‑leakage protective plugs. The motor assembly is wrapped with thick shock‑absorbing material to avoid collision damage during transit. Heavy‑duty export wooden case is adopted, clearly marked with the exact part number for inventory management and customs clearance.
Shipping
Sea transport is recommended for cost‑effective bulk orders. Air shipment can be arranged for urgent on‑site repairs. In‑stock goods will be dispatched within 3‑7 working days after payment confirmation. Full packing list and export documents will be supplied.
FAQ
Q1: How can I confirm this motor assembly fits my Komatsu D85?
Send us your machine serial number and model, we will check compatibility before order placement.
Q2: What signs indicate the hydraulic motor needs replacement?
Insufficient power output, slow movement, external oil leakage, abnormal noise and obvious pressure drop during operation are typical failure symptoms.
Q3: What is your delivery cycle?
Stocked items ship within 3‑7 working days. For out‑of‑stock products, we will confirm the lead time before order confirmation.
Q4: What does the warranty cover?
The 6‑month warranty applies only to manufacturing defects. Damage caused by improper installation, contaminated hydraulic oil, overload operation and normal wear is not covered.
Q5: How can I get a quotation?
Provide the part number, purchase quantity and delivery address, our sales team will send you a formal quotation within 24 hours.
Installation Guide
Shut down the dozer completely, release residual hydraulic pressure and cut off power to ensure safe maintenance work.
Clean the connecting surfaces, oil ports and surrounding area thoroughly to remove dirt and oil contamination.
Check the new 708‑7F‑00040 motor assembly for housing deformation, thread damage or seal defects before installation.
Mount the motor to the installation bracket, connect hydraulic pipelines strictly following the oil circuit requirements, tighten bolts with the correct torque.
Refill qualified hydraulic oil, start the machine, run a test operation and check for oil leakage and abnormal operating noise.
Maintenance Tips
Keep the hydraulic oil clean and replace filter elements on schedule to avoid internal abrasion of motor components.
Avoid long‑term overload operation to extend the service life of the hydraulic motor.
Regularly inspect pipe joints and sealing surfaces for oil leakage.
When replacing the motor assembly, inspect the hydraulic pump, control valve and oil quality synchronously.
