DPF warning light image

Why is regeneration necessary?

  • The Diesel Particulate Filter (DPF) trap the particulate matter before it can be exhausted.
  • Once the honeycomb filter captures enough particulate matter, flow becomes restricted.
  • Regeneration is the process of cleaning out the filter.

Note: Operator initiated regen only applies to Perkins 854 and Caterpillar 3.4B engines. For other model engines, operator regen input is not required, and not possible.

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