| Attribute | Specification |
|---|---|
| COGENG Part Number | CG-SV-116-3526-WD |
| Replaces OEM Number | 116-3526 (White Dot) |
| Product Name | Caterpillar Universal Rotary Solenoid Valve |
| Application Range | 300+ Caterpillar Models including: • 300-Series Excavators (320-345) • Material Handlers (M325-M330) • Compact Machines (308-328) • Forestry & Special Applications |
| Identification | White Dot |
| Valve Type | Rotary Solenoid |
| Voltage Rating | 12V/24V DC (Machine Specific) |
| Maximum Pressure | 350 bar (5,000 PSI) |
| Rotational Torque | 2.0-2.5 Nm (Application Dependent) |
| Flow Capacity | 20-100 L/min (Machine Dependent) |
| Seal Material | HNBR Compound |
| Coil Insulation | Class H (180°C) |
| Connection Type | ISO 4401 Standard |
| Quality Standard | ISO 9001:2015, Exceeds OEM Specifications |
| Warranty | COGENG Limited 24-Month Warranty |

| NO | Number | Name | Qty |
| Grp | 116-3526 | VALVE GP-SOLENOID-FINE SWING | |
| 1 | 126-6514 | SEAL-O-RING | 1 |
| 2 | 126-6515 | SEAL-O-RING | 1 |
| 3 | 126-6516 | SEAL-O-RING | 1 |
| 4 | 095-1586 | SEAL-O-RING | 1 |

Q: What does the "White Dot" mean on the CAT 116-3526 solenoid?
A: The colored dot on CAT solenoid valves indicates internal calibration, flow rate, or pressure setting. The White Dot version of the 116-3526 is specific to certain M-Series wheeled excavators and 365C large track excavator swing control applications. Always replace a White Dot valve with another White Dot valve.
Q: What are symptoms of a failing 116-3526 rotary solenoid on a CAT M325B?
A: Common signs include sluggish or weak swing rotation, upper structure drifting on slopes, swing brake failing to release properly, or jerky swing movements. On wheeled excavators, this can also affect travel stability during swing operations.
Q: Does the 116-3526 fit both wheeled and track excavators?
A: Yes, the 116-3526 White Dot rotary solenoid is a direct fit for CAT M325B, M325CMH, M330D, and W330B wheeled excavators, as well as 365CL, 365CLMH, and 365C large track excavators. Verify the part number and white dot on your original valve to confirm exact fitment.
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