20Y-60-32121 24V Swing Motor Solenoid Valve, Rotary Solenoid for Komatsu PC200-7 PC220-7 PC200-8 Excavator, Replacement 20Y-60-32120

Product SpecificationsPart Numbers: 20Y-60-32121, 20Y-60-32120, 20Y-60-31211, 20Y-60-31212Voltage: 24V DCSolenoid Type: On/off hydraulic pilot solenoid valveFunction: Swing brake release / swing parking brake controlConnector Type: 2-pin waterproofMounting: Direct mount to swing motor or swing brake valve bodyO-ring Seal: Included (pre-installed on valve body)Operating Pressure: Pilot pressure up to 35 Bar (500 PSI)Compatible with Komatsu Excavator ModelsFor Komatsu PC200-7, PC200LC-7For Komatsu PC220-7For Komatsu PC300-7For Komatsu PC400-7For Komatsu PC200-8Swing Motor Solenoid Function for Komatsu ExcavatorsSwing Brake Release: When swing lever is moved, 24V power energizes the 20Y-60-32121 solenoid. Solenoid opens pilot pressure to release the swing parking brake for Komatsu PC200-7.Brake Lock (Default): When swing lever is in neutral, solenoid de-energizes. Spring returns valve to closed position. Pilot pressure drains, brake engages - swing locked on your PC220-7 excavator.Safety Feature: Prevents unintended swing movement when operator leaves controls. Brake engages automatically when swing lever centered on your Komatsu.Hydraulic Integration: The 20Y-60-32120 solenoid works with swing motor's internal brake piston.

• 🔋 Voltage Verification - 20Y-60-32121 swing motor solenoid valve operates on 24V DC. Before ordering this 24V solenoid for Komatsu PC200-7, verify your excavator uses a 24V electrical system. The 20Y-60-32121 solenoid requires 24V for proper operation. Installing on a 12V system will not actuate the valve.
• 📋 Part Number Cross-Reference - 20Y-60-32121 solenoid valve replaces for Komatsu numbers 20Y-60-32121 and 20Y-60-32120. Also cross-references to 20Y-60-31211 and 20Y-60-31212. The swing motor solenoid is original equipment for Komatsu Dash-7 and Dash-8 excavators. Verify your old valve matches one of these numbers before ordering.
• 🚜 For Komatsu Excavator Compatibility - 20Y-60-32121 solenoid fits for Komatsu PC200-7, PC220-7, PC200LC-7, PC300-7, PC400-7, and PC200-8 excavators. The rotary solenoid mounts on the swing motor or swing brake valve. Controls the swing parking brake release for Komatsu excavator.
• 🔄 Swing Motor Function - 20Y-60-32120 solenoid valve controls hydraulic pressure to the swing brake. When you operate the swing lever for Komatsu PC200-7, the 24V solenoid energizes and releases the swing parking brake. The excavator can then rotate left or right.
• ⚠️ Failure Symptoms - For Komatsu PC200-7 excavator will not swing (rotate) but other functions work, the 20Y-60-32121 swing solenoid may be failed. Swing brake does not release when you move the swing lever on your PC220-7. Intermittent swing operation points to sticking 20Y-60-32120 solenoid valve on your PC200LC-7. Swing movement is jerky or requires high engine RPM indicates weak solenoid actuation. Replace this 20Y-60-32121 solenoid when these symptoms appear.