Kubota D1803-CR-E4 User Manual

9.8 Diesel oxidation catalyst (DOC)
9.8.1 Outline of diesel oxidation catalyst
(DOC)
The DOC energizes increase in exhaust gas
temperature.
9.8.2 Structure of diesel oxidation catalyst
(DOC)
The DOC is constructed with a single core and has an
open end structure.
(1) Diesel oxidation catalyst
(DOC)
(2) Exhaust gas flow
(3) Open end structure
9.8.3 Function of diesel oxidation catalyst
(DOC)
During regeneration of the diesel particulate filter
(DPF),
the
DOC places the post injection fuel into
contact with the core thereof and raises the exhaust
gas temperature to a temperature where regeneration
is feasible.
9.9 Diesel particulate filter (DPF)
9.9.1 Outline of diesel particulate filter
(DPF)
The DPF captures PM (soot).
9.9.2 Structure of diesel particulate filter
(DPF)
The DPF is constructed with a single core and has an
closed end structure.
(1) Diesel particulate filter (DPF)
(2) Exhaust gas flow
(A)
Honeycomb structure
(B) Closed-end structure
MECHANISM
9. Aftertreatment system 4. ENGINE
D1803-CR-E4,D1803-CR-TE4,D1803-CR-TIE4,V2403-CR-E4,V2403-CR-TE4,V2403-CR-TE4BG,V2403-CR-TIE4
4-79
KiSC issued 12, 2018 A

Kubota D1803-CR-E4 Specifications

General

Brand	Kubota
Model	D1803-CR-E4
Category	Engine
Language	English