116-3526 Caterpillar Swing Solenoid Valve — Used to control the hydraulic oil circuit for the excavator's swing motor.

I. Core Specifications

Model: 116-3526 (1163526)

Type: Swing Solenoid Valve

Voltage: 24V DC

Generic Model: KWE5K-31 / 40E30-701A

Weight: Approx. 0.44 kg (15.66 oz)

Material: Alloy Steel / Stainless Steel

II. Function and Application

Function: Receives signals from the controller to switch the swing motor's hydraulic circuit, thereby controlling the start, stop, and speed of the excavator's upper-structure rotation. 

Applicable Models (Primarily Excavators):

320B, 320C, 320D, 322B, 322C, 323D, 324D, 325B/C/D, 329D, 330C/D, 336D, 345C/L

Wheeled Excavators: M325B, M330D, W330B, W345C MH

Engines: 3066, 3126, 3176C, C7, C9, C13, C15, C18

III. Replacements and Procurement

Replacement Models: 315-4412, CA1163526, CA3154412