C3.4B Industrial Engine Caterpillar


Model View Illustrations

Usage:

3.4B IOPU CJ3
The following model views show typical features of the engine. Due to individual applications, your engine may appear different from the illustrations.

Engine and Aftertreatment



Illustration 1g03367500
Typical example
(1) Engine aftertreatment system
(2) NOx control valve
(3) Air outlet connection from turbocharger
(4) Alternator
(5) Air intake from air filter
(6) Coolant intake connection
(7) Turbocharger
(8) Solenoid for stating motor
(9) Starting motor
(10) Oil drain plug
(11) Flywheel housing
(12) Flywheel


Illustration 2g03367502
Typical example
(13) Secondary fuel filter
(14) Oil filter
(15) Oil level gauge (Dipstick)
(16) High-pressure fuel pump
(17) Valve mechanism cover


Illustration 3g03367547
(18) Rear lifting eyes
(19) Front lifting eye
(20) Crankcase breather
(21) Oil filler cap
(22) Belt
(23) Coolant pump
(24) Coolant outlet connection
(25) Air inlet connection

The oil filler cap (21) can also be located on the valve mechanism cover.

Off Engine Parts



Illustration 4g06082900
(26) Fuel priming pump
(27) Primary fuel filter
(28) Differential pressure sensor
(29) Electronic control module
(30) Relay for glow plugs
(31) Breather heater

Engine View with Wall Flow Diesel Particulate Filter



Illustration 5g03367096
Typical example

The wall flow Diesel Particulate Filter (DPF) will require a service, refer to this Operation and Maintenance Manual, "Maintenance Interval Schedule" for the service period.

Top Mounted Aftertreatment



Illustration 6g06082892
Typical example

The wall flow Diesel Particulate Filter (DPF) will require a service, refer to this Operation and Maintenance Manual, "Maintenance Interval Schedule" for the service period.

Engine View with Through Flow Diesel Particulate Filter



Illustration 7g03367094
Typical example

The through-flow type of DPF will not require a service interval.

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