Engineered for Crane Performance: Manitowoc/Grove Cummins ISL DEF Head Unit
What is it?
The Manitowoc/Grove Cummins ISL DEF Head Unit is a precision-crafted module within the SCR (Selective Catalytic Reduction) system of Manitowoc and Grove cranes powered by Cummins ISL diesel engines. It ensures accurate delivery of Diesel Exhaust Fluid (DEF) into the exhaust stream to neutralize NOx emissions, while integrated sensors monitor fluid level, temperature, and pressure for reliable dosing and system stability.
Why choose the Manitowoc/Grove DEF Head Unit?
Built specifically for Manitowoc and Grove chassis paired with Cummins ISL engines, this DEF Head Unit offers plug-and-play compatibility with factory ECM calibration and wiring harnesses. OEM-aligned precision helps prevent SCR system faults, limp-mode derates, and DEF dosing inconsistencies that may arise with aftermarket units. Engineered to withstand rough crane duty, it provides durable emissions control under demanding operations.
Key Benefits
✅ Direct-fit solution for Manitowoc and Grove equipment using Cummins ISL engines
✅ Precisely regulates DEF injection to achieve emissions compliance
✅ Real-time sensors monitor fluid level, temperature, and pressure
✅ Built to resist DEF crystallization, vibration, and thermal cycling
✅ Minimizes risk of SCR errors, engine derates, and operational downtime
Applications
Ideal for Manitowoc and Grove cranes—such as mobile, crawler, and tower operated in industrial and construction settings with Cummins ISL power. This DEF Head Unit ensures emissions control reliability during long lift cycles, high-load lifts, and extreme duty environments.
Installation Notes
Before replacing, shut down and depressurize the DEF system. Clean the DEF tank and connectors thoroughly to remove residue or crystalline buildup. Mount the new unit using OEM-compatible connector fittings and ensure fluid and electrical lines are fully secured. Once installed, clear diagnostic codes and verify DEF dosing and sensor outputs using a scan tool.
Final Thoughts
If your Manitowoc or Grove crane built with a Cummins ISL engine is showing DEF dosing issues, SCR derates, or error codes, this OEM DEF Head Unit provides a precise and durable upgrade. Calibrated for integration with factory systems and built for crane-duty endurance, it ensures emissions performance and uptime—available now at Tamerx.