Cummins ISM11 and QSM11 specifications and manuals

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Popular Diesel Engine Specs

Cummins ISM11 and QSM11 Essential Diesel Engine Bolt Tightening Torques

Main Bearing Bolts
tightening Torques
Step 1 = 68 Nm
Step 2 = 142 Nm
Step 3 = 210 Nm
Step 4 - loosen all
Step 5 Step - repeat steps 1-3
Connecting Rod Bolts
tightening Torques
Step 1 = 68 Nm
Step 2 = 142 Nm
Step 3 = 210 Nm
Step 4 - loosen all
Step 5 Step - repeat steps 1-3
Cylinder head Bolts
tightening Torques
32 Bolts
Step 1 = 136 Nm
Step 2 = 217 Nm
Step 3 = +90°

7 Bolts (fuel pump side)
Step 1 = 68 Nm

Cummins ISM11 and QSM11 Diesel Engine Specs

Cummins ISM11
Displacement - 10.8 liter,  661 CID
Arrangement - 6 Cyl In-Line	
Bore - 4.921 in, 125 mm	 
Stroke - 5.787 in, 147 mm	
Power - ISM425
317 kW 
425 hp @ 1825 rpm;
Dimensions:
Length 1290 mm
Width 973 mm
Height 1142 mm
Weight:
approx 938 kg
Compression ratio:
16.3:1
Valve adjustment:
Intake Valves - 0.010 in, 0.25 mm
Exhaust Valves - 0.024 in, 0.60 mm

Filters:
Oil - LF9000 (or LF9001 for the shorter filter)
Fuel - FS1000
Water - WF 2071






Barrington Diesel Club
Phone: +27 72 754 4660
email: steve@barringtondieselclub.co.za
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