Industrial-Grade Emissions Control: Liugong Construction Machinery Cummins ISB 6.7 L DEF Head Unit
What is it?
The Liugong Cummins ISB 6.7 L DEF Head Unit is an emissions system component designed for Liugong excavators, wheel loaders, and material handlers powered by Cummins ISB 6.7 L engines. It regulates Diesel Exhaust Fluid (DEF) dosing to reduce nitrogen oxide (NOx) emissions and includes integrated sensors for real-time monitoring of fluid level, temperature, and pressure—maintaining SCR system integrity under rugged jobsite conditions.
Why opt for this OEM DEF Head Unit?
Designed to work seamlessly with Liugong chassis and Cummins engine control systems, this OEM module connects directly to factory ECM wiring without any modification. It helps eliminate DEF metering inconsistencies, SCR fault codes, and engine derates that often accompany aftermarket units. Reliable under continuous operation, it's trusted for emissions performance and uptime in construction environments.
Key Benefits
✅ OEM drop-in compatibility for Liugong machines equipped with Cummins ISB 6.7 L
✅ Balanced DEF delivery supports stringent NOx reduction requirements
✅ Continuous sensor monitoring of fluid level, pressure, and temperature
✅ Robust against vibration, thermal extremes, moisture, and DEF crystallization
✅ Helps minimize SCR error codes, limp-mode events, and equipment downtime
Applications
Ideal for Liugong heavy equipment such as loaders, excavators, and forklifts that rely on Cummins ISB 6.7 L engines. Ensures dependable SCR performance across mixed-duty cycles and varied jobsite environments.
Installation Notes
Ensure the machine is off and DEF system fully depressurized before servicing. Clean the DEF tank and connector areas to remove contamination or crystallized fluid. Mount the head unit using OEM connectors and secure fluid and electrical lines properly. After installation, clear related fault codes and validate sensor readings and DEF dosing with a diagnostic scan tool.
Final Thoughts
When your Liugong machinery begins showing DEF warnings, dosing irregularities, or SCR malfunction codes, this OEM DEF Head Unit offers the reliable fix you need. Purpose-built for heavy-duty use and emissions compliance, it restores system integrity—available now at Tamerx, ready for fast deployment.