Purpose-Built for Fireground Performance: Ferrara Cummins ISL DEF Head Unit
What is it?
The Ferrara Cummins ISL DEF Head Unit is a mission-critical emissions control component integrated into the SCR (Selective Catalytic Reduction) system of Ferrara fire and rescue apparatus powered by Cummins ISL engines. It delivers precisely metered Diesel Exhaust Fluid (DEF) into the exhaust stream to effectively neutralize nitrogen oxide (NOx) emissions. This unit’s built-in sensors continuously monitor DEF fluid level, temperature, and pressure—ensuring dependable emissions performance even under extreme duty cycles.
Why choose the Ferrara Cummins ISL DEF Head Unit?
Specifically designed for Ferrara-built emergency vehicles, this OEM-grade module offers plug-and-play integration with factory ECM systems and wiring. It prevents SCR fault codes, DEF dosing inconsistencies, and engine derates often encountered with generic replacements. Built for high-intensity response operations, it delivers reliable emissions compliance when your vehicle’s readiness truly matters.
Key Benefits
✅ Exact OEM fit for Ferrara apparatus equipped with Cummins ISL engines
✅ Precisely regulates DEF flow to meet rigorous NOx reduction standards
✅ Real-time sensor feedback on fluid level, temperature, and pressure
✅ Constructed to withstand vibration, thermal extremes, and DEF crystallization
✅ Minimizes SCR faults, limp-mode incidents, and unexpected downtime
Applications
Designed for Ferrara fire and rescue units—including pumpers, aerials, and support vehicles—running Cummins ISL diesel engines. This DEF Head Unit ensures emissions reliability during continuous idle periods, road response, and high-load operation typical of emergency service use.
Installation Notes
Before replacement, disconnect battery power and depressurize the DEF system. Thoroughly clean the DEF tank and fluid lines to prevent contamination. Mount the head unit using OEM connectors and securely fasten all fluid and electrical connections. After installation, clear any active fault codes and verify DEF dosing accuracy and sensor functionality using a diagnostic scan tool.
Final Thoughts
When DEF system faults or SCR-related alerts impact a Ferrara vehicle, this OEM-grade DEF Head Unit provides the dependable solution you need. Engineered for precision, compatibility, and durability under pressure, it restores emissions integrity and operational readiness—available now at Tamerx to keep your fleet prepared.