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121-4036 Load control electromagnetic valves 416C, 424D, 428D, 430D, 432D, 436C, 438C, 442D, 446B (1)
Caterpillar 121-4036 Solenoid Valve for Loaders is a core hydraulic control component for Caterpillar loaders including 416C, 424D, 428D, etc. It drives the spool to actuate via electrical signals, precisely controlling the on/off and direction of hydraulic oil flow, ensuring smooth execution of loader functions like travel, bucket operation and steering.
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Product Description
- Part Number: 121-4036 (also 1214036)
- Compatible Models: Caterpillar loaders 416C, 424D, 428D, 430D, 432D, 436C, 438C, 442D, 446B, etc.
- Type: Cartridge-type 2/3-way hydraulic solenoid valve
- Structure: Stainless steel spool + alloy housing + wired waterproof connector
- Oil Flow Control: When energized, the magnetic field drives the spool to switch the on/off and direction of hydraulic flow, controlling the start/stop and direction of loader functions.
- Pressure Regulation: Works with pilot circuits to precisely control pressure and flow of actuators (cylinders, motors), ensuring smooth and powerful movements.
- Signal Response: Fast response to controller signals with minimal delay, improving operational speed and work efficiency.
- System Protection: Automatically resets when de-energized, cutting off the corresponding oil circuit to avoid safety risks from unintended movements.
- Cartridge Design: Compact size, directly installed in the valve block, saving space and ensuring reliable sealing.
- Waterproof Wiring Connector: Red wiring with green sealing ring, water and dust resistant, adapting to harsh outdoor loader conditions.
- Corrosion-Resistant Spool: Stainless steel spool and alloy housing, wear and corrosion resistant, extending service life.
- Fast Response: Strong magnetic coil force, quick spool actuation, ensuring precise and smooth operation.
- Used for repair and replacement of the hydraulic control system in Caterpillar loaders, resolving faults such as function failure, slow response, deviation and leakage. It is a key actuator in the loader hydraulic system.
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