EMRT Professional SCR Emulator – Isuzu Tier 4 Final / Stage V
For Isuzu 4JJ1, 4HK1, 6HK1, 6UZ1, and 6WG1 Engines
 
The EMRT Professional SCR Emulator is a heavy-duty, full-system emulation solution for Isuzu engines. Designed for simple integration, this unit requires only four wires to connect, providing a complete bypass of the SCR system and preventing costly downtime, fault codes, and engine derates.
 
Key Features
Full SCR Emulation – Replaces the entire SCR/AdBlue system signal, ensuring the machine operates without derates or warning lights.
Rapid Installation – Highly efficient 4-wire connection for a fast and clean setup.
Ruggedised Protection – 100% waterproof housing built with industrial-grade components to survive the extreme vibrations and conditions of heavy excavation.
Performance Security – Eliminates AdBlue-related fault codes and prevents the engine from entering limp mode.
 
Emulated SCR Components
DCU Control Unit
NOx Sensors (Upstream & Downstream)
Urea Dosing Pump
Urea Quality and Level Sensors
 
Compatibility
Isuzu Tier 4 Final Engines:
4JJ1T / 4JJ1X
4HK1X / 6HK1X
6UZ1X / 6WG1X
 
Common Machine Models:
Case CE (D-Series): CX130D, CX240D, CX350D, CX490D, CX750D.
Kobelco (Dash-5): SK135SRLC-5
Hitachi (Dash-6): ZX130-6 through to ZX670LC-6.
 
Stage V Note: This unit can be installed in Isuzu Stage V engines equipped with both SCR and DPD/DPF. In these applications, the emulator only replaces the SCR system; the DPF/DPD system remains active and will continue to function normally.