Operation and maintenance manual

Engine Diagrams QSB4.5 and QSB6.7
Page E-10 Section E - Engine and System Identification
Engine Diagrams
Engine Views
QSB 4.5 Engine - Front View
1 Air inlet
2 Electronic control module
3 Engine speed sensor (camshaft)
4 Engine speed sensor (crankshaft)
5 Fuel filter
6 Vibration damper (Optional)
7 Fan or PTO drive flange mounting
8 Starter mounting location
9 Coolant inlet
10 Water pump
11 Belt tensioner
12 Alternator
13 Coolant outlet
14 Coolant temperature sensor.