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Take complete control of your heavy-duty diesel repairs with the HEUI900, a top-tier heavy machinery HEUI diesel system simulator. Built for demanding workshop environments,
this versatile controller provides an intuitive touchscreen interface to streamline complex diagnostic procedures.
Unlike standard auto testers, this unit is specifically engineered as a robust CAT 3126B 3408 3412D injector driving module. It seamlessly manages high-pressure hydraulic actuations,
delivering precise simulated drive signals for Caterpillar C7 and C9 components to ensure optimal engine performance.
Furthermore, it functions as a professional excavator fuel pump diagnostic kit, fully supporting CAT 320D and standard HEUI pumps. Eliminate guesswork and restore heavy equipment
to peak efficiency with this all-in-one testing and verification solution.






| Feature / Specification | Description |
| Product Model | HEUI 900 System Tester |
| Manufacturer | Beacon Machine |
| Compatible Fuel System | Hydraulic Electronic Unit Injector (HEUI) |
| Supported Injector Models | Caterpillar C7, C9, 3126B, 3408, 3412D |
| Supported Pump Models | Standard HEUI Pumps, CAT 320D Actuation Pumps |
| Operating Interface | Color LCD Touch Screen |
| Output Configuration | Dedicated Pump Drivers & Injector Drivers |
| Primary Application | Heavy Equipment & Excavator Diesel Repair |
| Enclosure Material | Heavy-duty industrial metal casing |
| Power Supply | AC 110V / 220V Configurable |
| Key Diagnostic Function | Drive signal generation and component actuating |



