111-9916 Caterpillar Hydraulic Pump Pilot Solenoid Valve Assembly — Used to control the flow and pressure of excavator hydraulic pumps.

I. Key Specifications

Model: 111-9916 (1119916)

Type: Pilot Solenoid Valve (Rotary Solenoid Valve)

Voltage: 12V DC

Interface: 2-pin connector, 2-hole mounting

Weight: Approx. 0.9 lb (0.41 kg)

Material: Alloy Steel

II. Function and Application

Function: Receives signals from the ECU to control the swashplate angle of the hydraulic pump, thereby regulating flow and pressure to achieve precise operational speed control and power matching. 

Applicable Models (Primarily Excavators):

312B/C/D, 313D, 314C/D, 315B/C, 320B/C/D, 323F, 325B/C/D, 330B/C/D, 336D/L, etc.

III. Replacements and Procurement

OEM Alternatives: CTP H1119916 and CA1119916 are directly interchangeable.