20Y-60-31212 Solenoid Valve Assembly for Komatsu PC200-7, PC210-7, PC220-7

   The 20Y-60-31212 is a multi-unit solenoid block that governs the distribution of pilot pressure. On the PC200-7, this assembly is typically mounted on the side of the main pump or near the control valve bank. It replaces the older 20Y-60-31211 part number and is designed to handle the 24V electrical architecture of Komatsu mining and construction equipment.

The SPARKLING MACHINERY NEW 20Y-60-31212 Solenoid Valve Assy Photo:

Why Choose the SPARKLING 20Y-60-31212 Solenoid Valve Assy?

• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •    - Multi-Functional Control: Consolidates multiple solenoid actuators into a single block to manage travel speed selection, swing holding brake release, and working mode pressures.

                                                                    •    - High-Speed Response: Features low-latency coils that ensure immediate hydraulic engagement, reducing cycle times and improving operator precision.

                                                                    •    - Harsh Environment Durability: The coils are hermetically sealed to prevent moisture ingress and electrical shorts in high-humidity or muddy job sites.

                                                                    •    - Precision Manifold: The aluminum or steel manifold block is precision-machined to ensure leak-free operation at pilot system pressures.

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Q&A Section

Q1: What are the symptoms of a failing 20Y-60-31212 solenoid assembly?

A: Common signs include the excavator being stuck in "low speed" travel mode, the swing function feeling locked or sluggish (brake not releasing), or certain hydraulic power-modes failing to activate. Often, the monitor panel will display an E01 or specific electrical fault code.

Q2: Can I replace just one coil on the 20Y-60-31212 assembly?

A: While the individual coils can sometimes be swapped, it is generally recommended to replace the full assembly if the manifold shows wear or if multiple electrical issues are present. This ensures all pilot signals are balanced and leak-free.

Q3: Is the 20Y-60-31212 compatible with the older Dash-6 series?

A: No. The Dash-7 series utilizes a different electrical connector and manifold mounting pattern than the Dash-6 (which often uses the 206 series solenoids). Always match your part number to your machine's generation.

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   - Founded in 2013, SPARKLING focuses on high-quality excavator parts across hydraulics, undercarriage, engines and electrical systems. We prioritize stability, precision and continuous service, offering worldwide distribution, tailored solutions and strict QC to help customers reduce cost and increase uptime.

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