Heavy-Duty Consistency: Terex Cummins ISL DEF Head Unit
What is it?
The Terex Cummins ISL DEF Head Unit is responsible for metering Diesel Exhaust Fluid (DEF) into the exhaust stream of equipment powered by Cummins ISL engines. With integrated sensors for temperature, level, and pressure, it helps maintain stable operation across various work conditions.
Why choose this OEM DEF Head Unit?
This unit is designed to work seamlessly with Terex platforms and Cummins control systems. It connects without the need for calibration, helping avoid frequent dosing faults, warning codes, and system derates common with non-OEM options.
Key Benefits
✅ OEM fit for Terex equipment running Cummins ISL engines
✅ Reliable DEF flow helps prevent SCR-related issues
✅ Sensors track fluid level, temp, and internal pressure
✅ Handles daily vibration, exposure, and system wear
✅ Helps reduce limp-mode triggers and service interruptions
Applications
Perfect for Terex construction and material-handling machines that use Cummins ISL engines. The unit supports dependable DEF system operation through repeated work cycles and changing jobsite demands.
Installation Notes
Shut off electrical power and relieve system pressure prior to installation. Clean all mating surfaces and connectors before attaching the new unit. Use OEM fittings, verify seating, and perform a post-install scan to ensure proper sensor readings.
Final Thoughts
When your Terex machine shows DEF issues or warning lights, this OEM DEF Head Unit provides a dependable solution. It's made to support daily work and keep your system running—ready now at Tamerx.