HEUI CAT 320D HEUP Injector Pump Tester

HEUI CAT 320D HEUP Injector Pump Tester supports full diagnosis for Caterpillar 320D pump, HEUI injectors and HEUP fuel system. Portable offline test simulator for diesel repair workshops.

Product Overview

The HEUI CAT 320D HEUP Injector Pump Tester is a multi‑functional fuel system diagnostic device designed for Caterpillar HEUI and HEUP diesel systems. It supports offline testing for CAT 320D high‑pressure fuel pumps, HEUI injectors and HEUP fuel system components without relying on large full‑size test bench.

Core Functions

• Off‑bench test CAT 320D high‑pressure fuel pump, verify pressure output and solenoid performance

• Drive and diagnose HEUI injectors, check solenoid response, spray condition and back‑leakage fault

• Complete performance inspection for HEUP fuel system assemblies

• Simulate original ECU driving signal for Caterpillar HEUI & HEUP fuel system

• Adjust test parameters to locate electrical and mechanical faults quickly

Main Features

• Portable design, suitable for workshop bench‑top and field service

• Simulate genuine ECU signal for accurate test result

• Easy‑operate interface for workshop technicians

• No need for comprehensive large test bench, save workshop investment

• Work for Caterpillar excavator and heavy‑duty diesel engine overhaul

• Complete wiring harness set included for plug‑and‑play operation

Compatible Objects

Pump Test

• CAT 320D High‑Pressure Fuel Pump

• HEUI Actuating Pump

• HEUP series fuel system components

Injector Test

• Caterpillar HEUI Injectors for excavator & heavy‑duty engine

Application Scenarios

Widely used in diesel repair shops, injector remanufacturing factories, engine service centers. Perfect for maintenance, fault diagnosis and performance verification of Caterpillar excavator HEUI and HEUP fuel system.

Package List

• 1 × HEUI CAT 320D HEUP Injector Pump Tester Main Unit

• 1 × Full Set of Special Connecting Wiring Harness

• 1 × User Operation Manual