CAT HEUI Actuating Pump Tester

CAT HEUI Actuating Pump Tester is a portable ECU simulator dedicated for Caterpillar HEUI actuating pump offline testing. It accurately tests solenoid response, pressure build-up and flow performance, essential workshop equipment for CAT C7, C9 and 3126B heavy-duty engine overhaul.

Product Overview

The CAT HEUI Actuating Pump Tester is a professional signal simulator designed for Caterpillar HEUI fuel system maintenance. It allows full off-bench diagnosis without large test bench equipment. By simulating standard OEM ECU driving signals, technicians can detect electrical faults, mechanical wear, pressure failure and flow anomalies of HEUI actuating pumps efficiently.

Core Test Functions

• Simulate original ECU driving signal for CAT HEUI actuating pump

• Test solenoid working status and response performance

• Detect pump pressure build-up capacity and stability

• Inspect fuel flow output and internal leakage condition

• Quickly locate electrical and mechanical pump failures

Main Features

• Portable desktop design, perfect for workshop offline repair

• Stable and accurate ECU signal simulation

• No need for full-size fuel pump test bench

• Suitable for repeated overhaul and remanufacturing testing

• Complete wiring harness included for plug-and-play operation

Compatible Engines

• CAT 3126B Engine

• CAT C7 Engine

• CAT C9 Engine

• Caterpillar Heavy-Duty Excavator HEUI System

Application Scenarios

Ideal for diesel repair workshops, fuel system service centers, injector and pump remanufacturing factories. Widely used for Caterpillar HEUI actuating pump testing, overhaul, performance verification and quality inspection.

Package List

• 1 × CAT HEUI Actuating Pump Tester Main Unit

• 1 × Special Wiring Harness Set

• 1 × User Manual