Definitions of ATS Terms

p3 mm 49.01.000

Refer to the following list of definitions of ATS components.

  • Aftertreatment System (ATS)—the entire exhaust system from the turbocharger to the exhaust stack or tail pipe.

  • Aftertreatment Device (ATD)—a muffler-like canister that houses a DPF, DOC, and sensors.

  • Clean Gas Injection (CGI)—a Caterpillar (CAT) proprietary system that recirculates clean exhaust gasses back into the engine intake system.

  • Diesel Particulate Filter (DPF)—a filter that collects and holds particulate matter (soot and ash).

  • Diesel Oxidation Catalyst (DOC)—oxidizes hydrocarbons and reduces NOx.

  • Sensors—detect temperatures and pressures in the ATS.

Note:
Parent topic: EPA07 Exhaust System
Document Number: 0000116550
Manual Publication Date: 2024-05-15
Topic Publication Date: 2024-11-22