Wacker Neuson Deutz DEF Head Unit
DEF System Consistency for Wacker Neuson Deutz Engines (2013–2021)
What is it?
This DEF (Diesel Exhaust Fluid) Head Unit is built for Wacker Neuson equipment using Deutz engines from 2013 to 2021. It installs on the DEF tank and houses key sensors responsible for monitoring DEF level, quality, and temperature—ensuring proper dosing and emissions system operation.
Why choose this DEF Head Unit?
This head unit is manufactured to match factory-style fit and function. It’s engineered for use with 10-gallon Gen 5 DEF tanks, offering reliable signal integrity and secure sealing. By installing a properly matched unit, users can avoid sensor misreadings, fluid leaks, or system warnings that arise from incompatible or low-quality components.
Key Benefits
✅ Compatible with Wacker Neuson / Deutz equipment (2013–2021)
✅ Monitors DEF level, temperature, and fluid condition
✅ Sealed housing protects against DEF crystallization and leaks
✅ Reliable integration with standard emissions control modules
✅ No core charge or reprogramming required
Applications
Commonly found on Wacker Neuson rollers, compactors, excavators, and power systems powered by Deutz engines. This DEF head unit supports stable emissions control across a wide range of demanding job site applications where uptime and compliance are critical.
Installation Notes
Installation should be done by a qualified technician. Begin by relieving pressure in the DEF system and removing the old head unit carefully. Clean the tank’s mounting surface and check for debris or damaged connectors. Install the new unit with fresh seals if required and torque bolts to spec. Once installed, clear fault codes and verify sensor function using diagnostic tools.
Final Thoughts
For Wacker Neuson machines running Deutz engines, this DEF head unit offers a dependable, cost-effective way to restore emissions monitoring and dosing accuracy. With straightforward installation and long-lasting durability, it helps keep equipment compliant and on the job.