Diesel Particulate Filters from Engine Control Systems

Peterson Trucks is dedicated to offering the latest emissions solutions, and we now carry a range of Engine Control Systems CDTI diesel particulate filters. Whether you need a traditional passively regenerating system or an actively regenerating system without minimum duty requirements, we have DPF's for your operational needs.

DPF's available from Engine Control Systems:



  • Manufactured with silicon carbide substrates, offering superior filtration and durability compared to other DPF materials.
  • Precious metal catalyst impregnated onto the silicon carbide surface to passively oxidize accumulated particulate while complying with stringent California Air Resources Board (CARB) limits on NO2 emissions.
  • Effective, durable and quiet.

Download Purifilter Brochure



  • Removes particulates while reducing NO2 emissions.
  • Includes integrated DPF and silencer assembly, and an off-board regeneration control panel or station.
  • No minimum-duty cycle requirements.
  • Combifilter Type S regenerates or self cleans in 60 to 90 minutes, Combifilter Type K regenerates in eight hours or overnight.
  • Exchange system allows operator to swap out a dirty filter for a clean filter in two minutes for off-board regeneration, minimizing downtime.
  • Off-board regeneration equipment can be used to service the filters from several pieces of equipment.
  • Customizable to meet individual PM reduction needs.

Download Combifilter Brochure



  • Combines the benefits of active regeneration with passive operation.
  • Passive Purifilter DPF allows extended periods of passive operation while periodic active regeneration occurs at the optimal interval for your equipment (i.e. weekly, biweekly, every preventative maintenance, etc.) to increase Purifilter™ tolerance of duty cycle variations
  • Eliminates the need to remove DPF’s except for de-ashing at 1500 engine hour intervals.
  • Perfect solution for high-utilization fleets (i.e. cargo handling at ports) or rental construction fleets.

Download Purifilter Plus Brochure


For additional information, contact:

Gary Galindo