Permanently Fix DEF Issues on Your CASE Dozer or Excavator
Are you dealing with DEF errors or SCR faults on your CASE construction equipment? Our CASE DEF delete solution offers a fast, permanent fix — no ECU tuning, no software risk.
We supply a 4 Wire DEF delete emulator box that:
- Disables the DEF system
- Stops error codes permanently
- Removes the need for AdBlue/Urea refills
- Works without modifying your engine or ECU
✅ Just install the box, reset the codes, and your machine is back to full performance — no more limp mode or DEF downtime.
✅ Compatible CASE Machines for DEF Delete
Our DEF delete box is compatible with a wide range of CASE machinery — including dozers, excavators, loaders, and skid steers. Below is a list of commonly supported models:
🛠 CASE Crawler Dozers (FPT Engines – Up to 2014)
- 850M
- 1150M
- 1650M
- 20150M
- 2050M
🛠 Other CASE Equipment
- SV250
- 621F
- 721F
- 821F
🛠 CASE Crawler Excavators (Isuzu Engines)
- CX130D → CX750D (including CX210D, CX300D, CX350D)

🛠 CASE Midi Excavators
- CX75C
- CX80C
Not sure if your machine is compatible? Contact us now with your CASE model and we’ll confirm immediately.
✅ CASE DEF Delete: Permanent Fix for AdBlue Faults
If you own or operate CASE construction equipment, you’ve likely dealt with frustrating DEF system failures. Whether it’s a faulty NOx sensor, a frozen DEF injector, or limp mode shutting down your job site — these issues cost you time and money. Our CASE DEF delete solution is engineered specifically for machines using FPT and ISUZU engines, providing a permanent way to bypass the SCR system without touching your ECU.
This 4 Wire DEF delete emulator stops error codes, disables AdBlue fluid consumption, and restores full power — even if your machine is already derated. From CASE dozers like the 1150M and 2050M to CX-series excavators, our system is proven to work across a wide range of CASE models.
We ship across the USA and Canada, and our DEF delete modules install in under 1 hour. If you’re ready to remove your CASE machine’s DEF problems for good, get in touch today — and put an end to downtime once and for all.
⚠️ Common DEF Faults on CASE Machines
If your CASE equipment displays DEF faults, errors, or limp mode, here’s what could be causing it:
❌ Typical DEF-Related Issues:
- Faulty NOx sensors
- Crystallized DEF fluid
- DEF pump or injector failure
- Clogged SCR systems
- Software calibration errors after service
🧪 Troubleshooting Tips:
- ✅ Check DEF levels and quality (ISO 22241-compliant only)
- ✅ Inspect for leaks or damage in the DEF system
- ✅ Reset fault codes with a scan tool
- ✅ Follow CASE service procedures for calibration or reprogramming
⚠️ Many operators find these issues keep coming back — which is why our DEF delete emulator is the permanent fix for CASE machines used in off-road or non-regulated job sites.
Why Choose Our CASE DEF Delete Emulator?
✔ No ECU tuning or remapping
✔ No physical SCR/DPF removal
✔ Stops fault codes and limp mode
✔ Works with most CASE diesel engines
✔ Fully reversible & emissions-compliant for off-road use
📞 Ready to Fix Your CASE DEF Problem?
We’re open 7 days a week from 7 AM to 9 PM GMT (UK Time) and serve clients across USA, Canada, UK, and beyond.
📲 Call Toll Free: 1 (800) 909-6180
📍 Or Contact Us Online and we’ll call you back.
Just send us your machine make and model, and we’ll match you with the right emulator box.