ThermaCat-e DPF

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The ThermaCat-e is specifically designed to provide cost-effective diesel particulate (PM) reduction for in-use diesel engines operating in medium/lightduty on-road applications. ThermaCat-e incorporates a number of unique features including:

  • CARB verification to Level 3+ (>85%) for PM
  • Active DPF with diesel exothermic (flameless) regeneration
  • Requires no driver interaction or downtime while regeneration occurs
  • Various sizes and configurations allow for broad engine coverage from 4-13 liters / model years 1994-2009 / 150-400 HP
  • Greater than 95% PM Reduction
  • Greather than 90% HC and CO Reduction
  • CHP compliant for use on school buses
  • Applicable to engines with EGR (exhaust gas recirculation)
  • Eligible for CARB approved “swapping” allowance
  • Serviceable DPF module is compatible with most commercially available cleaning machines

ESW Group uses only the highest quality materials, including all stainless steel construction, and a robust silicon carbide diesel particulate filter. This advanced, mature silicon carbide diesel particulate filter provides lower exhaust backpressure than a traditional wall-flow filter.

For ease of installation, numerous inlet/outlet end cone configurations are available along with proprietary mounting kits allowing for safe, quick and easy installation.

The modular design of the ThermaCat-e facilitates service and de-ashing of the diesel particulate filter. The reusable graphite seal and band clamp design enables quick turnaround for maximum uptime.

The ThermaCat-e balances the mandate for cleaner air with the demanding requirements of real-world on-road diesel applications, and the desire to maximize the economic life cycle of your equipment, with minimal downtime, while avoiding costly replacement.

For additional information on ESW Group projects, reference materials and industry links, visit our Resources page.

ThermaCat-e Quick Specs
Filter Type Active DPF with diesel exothermic (flameless) regeneration
CARB Verification
> Engine PM Limit
0.10 g/bhp-hr PM and lower
CARB Verification
> Engine Model Years
1994-2009
CARB Verification
> Engine Displacement
4-13 liters
CARB Verification
> Engine Horsepower
150-400 HP
CARB Exclusions Consult Distributor
Typical Applications On-road vehicles including:
linehaul trucks, refuse trucks, buses and others
and others
PM Reduction Greater than 95% (Level 3+)
NOx Reduction None
Fuel Compatibility ULSD or Biodiesel up to B20
Exhaust Temperature Requirement 210° C for atleast 10% of time
Regeneration Type Active (flameless)
Eligible for local, state and federal funding programs Yes
Approximate Size Consult Distributor
Shipping Weight Consult Distributor
Verification ThermaCat
Verification ThermaCat-e
Engine Family List ThermaCat EFL
Engine Family List ThermaCat-e EFL
Product Spec Sheet Download
Owner’s Manual Pending
Sales & Service Locate a Distributor