Maintenance
Signs Your DPF Needs Professional Cleaning
The warning signs that a diesel particulate filter is loaded beyond what regeneration can handle—and when to plan a professional cleaning.
Read guideMountaintop field notes
DPF Cleaning Resources for Diesel Owners & Fleets
Straightforward answers about soot, ash, regeneration, professional cleaning, maintenance intervals, and filter replacement—written for the people responsible for keeping diesel equipment working.
Fundamentals
DPF Cleaning vs. Regeneration vs. Replacement
Understand how regeneration, professional cleaning, and replacement differ so you can choose the right path for a loaded diesel particulate filter.
Read guideOperations
Why Short-Haul and Idle-Heavy Trucks Load DPFs Faster
Duty cycle has a major effect on how quickly a DPF loads. Here is why stop-and-go and idle-heavy work is hard on diesel particulate filters.
Read guideFleets
DPF Maintenance Planning for Fleets
A practical framework for fleets to schedule diesel particulate filter cleaning, track filter history, and reduce unplanned downtime.
Read guideFundamentals
What Ash and Soot Do Inside a Diesel Particulate Filter
Soot and ash behave very differently inside a DPF. Understanding both explains why cleaning is a distinct maintenance step.
Read guideLocal
A Columbia Gorge Diesel Owner’s Guide to DPF Health
Local terrain, climate, and duty cycles shape DPF wear for Gorge diesel owners. A practical guide for White Salmon, Hood River, and The Dalles.
Read guideStart with the complete cleaning process
See how inspection, measurement, thermal treatment, pneumatic cleaning, and verification fit together.
Explore the DPF cleaning process