مخفض آلية الدوران لـ حفارة صغيرة Kubota U08 U10 U10-3

1. Product Identification
Component: Swing Motor Device Assembly

Machine Compatibility:

Kubota U10

Kubota U10-3

Kubota U08

Condition: High-Quality Aftermarket New

System Function: Drives the upper structure swing mechanism for precise 360-degree cabin rotation on ultra-compact mini excavators.

2. Technical Specifications
Type: Fixed Displacement Axial Piston Motor

Design Integration: Includes the hydraulic motor block, built-in swing relief valves, and integrated anti-drift mechanical parking brake in a single space-saving housing.

Performance: Factory-set to original Kubota torque specifications to guarantee smooth deceleration braking and precise control.

Structural Build: Engineered with high-strength castings and precise tolerances matching standard OEM track-frame installations.

3. Critical Installation Requirements
Case Priming (Mandatory)
Before starting the engine or operating the machine, manually fill the swing motor housing with clean hydraulic oil through the highest case drain port. Operating an axial piston motor dry for even a few seconds will cause immediate mechanical failure of the piston shoes and cylinder block.

Verify Case Drain Line Clearance
Check that the case drain return line back to the hydraulic reservoir is entirely unobstructed and free of backpressure. Any restriction or blockage in this line will immediately blow out the motor's main shaft seal.

Slew Ring Pinion Greasing
Thoroughly clean the mounting face on the excavator chassis. Apply a generous coating of premium heavy-duty lithium grease to the output shaft pinion gear and the main swing bearing ring teeth during assembly.

Hydraulic Decontamination
If the previous motor suffered a catastrophic mechanical breakdown, you must drain the hydraulic reservoir, flush the supply lines, and clean out any trapped metal fragments before installing the new aftermarket unit to prevent premature abrasive wear.

4. Frequently Asked Questions (FAQ)
Q: Are the swing motors for the Kubota U10, U10-3, and U08 fully interchangeable?
A: Yes, these ultra-compact models utilize the same base hydraulic platform and structural frame size for their upper swing drive system. Always verify your exact Machine Serial Number before ordering to confirm fitting types.

Q: My mini excavator cabin drifts slowly when I am trying to dig or park on an incline. Will replacing the motor fix this?
A: Yes. Slow swing drift is typically caused by worn internal mechanical brake friction discs or leaking relief valves within the swing motor housing. Replacing the complete assembly restores full holding power.

Q: How is this motor protected against damage during shipping?
A: The assembly is treated with rust-inhibiting storage oil, sealed with heavy-duty port plugs to prevent dirt entry, wrapped in a moisture barrier, and secured inside a cushioned, high-strength shipping box to prevent shaft or port damage.

5. Shipping & Logistics
Packaging: Reinforced export-grade protective packaging.

Transit Time: Global express air freight via DHL/FedEx/UPS typically delivers within 3 to 7 business days directly to your workshop.