PC120‑6 No‑OEM‑PC120‑6‑Main‑Valve Main Valve Compatible with Excavator

1. Product Overview & Wholesale Price Range

The PC120‑6 Main Valve (Part # No‑OEM‑PC120‑6‑Main‑Valve) is the central hydraulic control component for PC120‑6 excavator hydraulic circuit. It distributes hydraulic oil flow and pressure to each actuator, manages single and compound actions, and resolves typical malfunctions including weak digging force, working jitter, slow movement and combined operation failure.

• Factory Wholesale Price: $260 – $480 USD Direct factory price for hydraulic repair workshops
• Material Specifications: High‑strength alloy steel body, precision machining, stable flow control, good pressure resistance, long service lifespan
• MOQ & Bulk Discount: 1 Unit, favorable price for large‑volume maintenance orders
• Lead Time: 1‑3 working days, adequate stock supports global logistics delivery
• Warranty: 12‑month replacement warranty, full hydraulic pressure testing finished before dispatch

2. Application Scope

Perfectly fits PC120‑6 excavator hydraulic control system and construction machinery overhaul works:

• Hydraulic Overhaul: Direct replacement for worn, stuck or damaged original main valve assembly.
• Hydraulic‑Fault Repair: Troubleshoot low digging power, shaking action and abnormal compound operation.
• Repair Workshop: Accurate dimensional match, convenient installation, reliable flow‑control performance.
• Overseas Parts Dealer: Stable inventory supply, complete QC records support cross‑border spare‑parts trading.

3. Common Main Valve Failure Troubleshooting

• Fault 1: Excavator Digging Power Insufficient, Slow Action
  Cause: Valve spool wear, internal dirt blockage, pressure‑control spring fatigue.
  Solution: Install brand‑new No‑OEM‑PC120‑6‑Main‑Valve main valve, flush hydraulic circuit and replace filter element.
• Fault 2: Machine Jitter While Working, Unstable Movement
  Cause: Spool sticking, internal oil channel blocked by impurities.
  Solution: Fit PC120‑6 No‑OEM‑PC120‑6‑Main‑Valve main valve, thoroughly clean the whole hydraulic oil loop.
• Fault 3: Compound Action Cannot Work Normally
  Cause: Internal component abrasion, valve core clearance over tolerance.
  Solution: Replace complete main valve assembly, check hydraulic oil cleanliness condition.
• Fault 4: Oil Leakage At Main Valve External Joints
  Cause: Seal ring aging, mating surface scratch damage.
  Solution: Change full valve assembly or matching seal repair kit.

4. Matching Hydraulic Spare Parts Recommendation

5. Frequently Asked Questions

Q1: How do I confirm this main valve fits my excavator?
A: Please confirm excavator model, mounting dimension and hydraulic pressure parameters, provide No‑OEM‑PC120‑6‑Main‑Valve for fast compatibility verification.

Q2: What quality inspection will be carried out before goods dispatch?
A: Every PC120‑6 main valve undergoes strict hydraulic flow and pressure test to guarantee stable control performance.

Q3: What points need attention while installing main valve?
A: Keep mounting surface clean to prevent dirt entering valve interior, exhaust air from hydraulic circuit after finishing installation.