Operation and maintenance manual

Engine Diagrams QSB4.5 and QSB6.7
Page E-12 Section E - Engine and System Identification
Engine Diagrams
Engine Views
QSB4.5 Engine - Rear View
1 Coolant connection for air compressor
2 Air outlet from turbocharger
3 Air inlet to turbocharger
4 Flywheel
5 Flywheel housing
6 Crankcase breather tube
7 Fuel return line
8 Engine lifting brackets.