| Specification Category | Details |
|---|---|
| COGENG Part Number | 244-3114 |
| Compatible OEM Part | Caterpillar® 244-3114 |
| Product Type | Modulating Valve Group (Solenoid Valve Assembly) |
| Primary Function | Proportional Electro-Hydraulic Control |
| Key Applications | Precise control of hydraulic flow/pressure for implements, steering, or transmission modulation (Consult specific machine model compatibility) |
| Voltage | Typically 12V or 24V DC (Confirm system voltage for your specific machine) |
| Coil Construction | High-Temperature Copper Windings |
| Housing Material | High-Strength Aluminum or Steel Alloy |
| Internal Seals | Buna-N / Viton (Standard, compatible with standard hydraulic oils) |
| Operating Pressure Range | High-Pressure Rated (Designed for Caterpillar hydraulic system specifications) |
| Manufacturer | COGENG |
| Warranty | Limited 1-Year Warranty |
| NO | Number | Name | Qty |
| Grp | 244-3114 | VALVE GP-MODULATING (24-VOLT) | 1 |
| 385-4432 | VALVE GP-MODULATING (24-VOLT) | 1 | |
| 425-6734 | VALVE GP-MODULATING (24-VOLT) | 1 | |
| 350-3913 | VALVE GP-MODULATING (24-VOLT) | 1 | |
| 425-4565 | VALVE GP-MODULATING (24-VOLT) | 1 |
System Depressurization: Completely shut down the machine. Slowly loosen the hydraulic tank cap to release any air pressure. Carefully operate all control levers connected to the valve circuit to relieve any residual high-pressure oil trapped in the lines and the valve body itself.
Electrical Power Isolation: Disconnect the negative battery terminal(s) to eliminate any risk of electrical shock or short circuits during installation.
Ultimate Cleanliness: Contamination is the leading cause of hydraulic component failure. Thoroughly clean the exterior of the old valve and the surrounding area before disassembly. Use clean plugs or caps to seal all open hydraulic ports and tubes immediately after disconnection.
Handle with Care: This is a precision assembly. Avoid dropping or impacting the new valve. Protect the electrical connectors and solenoid cores from dirt and damage.
Torque to Specification: When installing the new COGENG 244-3114 valve, use a calibrated torque wrench. Refer to the machine's service manual for the correct torque values for mounting bolts and hydraulic fittings. Overtightening can crack the housing, while undertightening will cause leaks.
Electrical Connection: Ensure all electrical connectors are clean, undamaged, and fully seated. Listen for a definitive "click" to confirm they are locked in place.
Post-Installation Check: Reconnect the battery. Start the engine and run at low idle. Inspect the entire valve assembly for any signs of external hydraulic leaks. Cycle the machine's functions controlled by this valve slowly to purge air from the system.
Operational Verification: Perform a complete functional test of all related systems. Verify that the modulated control (e.g., smooth implement movement, precise control) is restored and operates correctly.
Q: What is the difference between a modulating valve and a standard solenoid valve?
A: A standard solenoid is simply ON/OFF. A modulating valve like the 244-3114 receives a variable PWM (Pulse Width Modulation) signal from the ECM to precisely control hydraulic pressure or flow. This allows for smooth clutch engagement, gradual pump response, and fine implement control.
Q: What are symptoms of a failing 244-3114 modulating valve?
A: Common signs include harsh or jerky transmission shifts, torque converter shudder during lockup, sluggish or jerky implement response, and active fault codes related to "Modulating Valve" or "Proportional Solenoid" circuit failure.
Q: How to test a CAT 244-3114 modulating valve?
A: Measure coil resistance (refer to service manual specs). Check for clean PWM signal from the ECM using an oscilloscope or capable multimeter. Mechanical inspection should check the valve spool for smooth movement and absence of contamination. Internal wear can cause pressure leakage and poor modulation.
Contact COGENG
📞 Phone: +86-185-2913-1515 🌐 Instagram
📧 Email: hugo@cogeng.net 🌐 Facebook：Excavator Parts Selection and Replacement Community
💬 WhatsApp +86-185-2913-1515 Facebook: Excavator Wiring Harness
💬 WeChat: +86-185-7865-1106 Facebook: Excavator Wire Harness
🌐 Website: cogeng.net Facebook: Excavator SolenoidValve
#ExcavatorWiringHarness #ExcavatorThrottleMotor #ExcavatorSolenoidValve #ExcavatorSealKit
