HOUSING 4S8667 - Caterpillar

The following model views show typical features of the engine and the aftertreatment system. Due to individual applications, your engine, and your aftertreatment may appear different from the illustrations.Container
Illustration 1 g06242814
Left side of generator set
(1) Access to the DEF tank
(2) Access to the engine
(3) Access to the voltage selector switch
(4) Fuel supply from external tank
(5) Fuel return to external tank
(6) Engine oil drain
(7) Coolant drain
Illustration 2 g06242817
Right side of generator set
Illustration 3 g06242831
Rear of generator set
(8) Access to outlets
(9) Access to the control panel
(10) Emergency stop buttonEngine
Illustration 4 g03404422
Typical example
(1) Front lifting eye
(2) Crankcase breather
(3) Secondary fuel filter
(4) Primary fuel filter
(5) Electronic Control Module
(6) Priming/tranfer fuel pump
(7) In line fuel filter
(8) Oil level gauge (dipstick)
(9) Oil drain plug
(10) Oil filter
(11) Oil sampling valve
(12) High-pressure fuel pump
(13) Oil filler
Illustration 5 g03404423
Typical example
(14) Air intake
(15) Coolant outlet
(16) Water pump
(17) Coolant intake
(18) Tensioner
(19) Belt
Illustration 6 g03404515
Typical example
(20) Back pressure valve
(21) High-pressure turbocharger
(22) Low-pressure turbocharger
(23) Alternator
(24) Refrigerant compressor
(25) Starter solenoid
(26) Starting motor
(27) Starter relay
(28) Oil drain tap
(29) Flywheel
(30) Flywheel housing
(31) NOx reduction cooler
(32) Rear lifting eyeAftertreatment
Illustration 7 g03416433
Diesel Oxidation Catalyst (DOC) and Selective Catalytic Reduction (SCR)
(1) SCR
(2) Identification module
(3) Outlet for Exhaust gas
(4) Mixer
(5) DOC
(6) Inlet for Exhaust gasFor a general description of the aftertreatment refer to this Operation and Maintenance Manual, "Product Description" for more information.
Illustration 8 g03700576
Diesel Exhaust Fluid (DEF) System
(1) DEF tank and header unit
(2) DEF filler cap
(3) Pump electronic unit
(4) DEF filter
(5) NOx sensors and controls
(6) Coolant control valve
(7) Ammonia sensor
(8) Control for ammonia sensor
(9) DEF heated line