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Popular Diesel Engine Specs


Cummins ISL and QSL Essential Diesel Engine Bolt Tightening Torques

 
Cummins ISL and QSL
Main Bearing Bolts

128 mm [5 in] Capscrew
step 1 = 50 Nm [ 37 lb.ft ]
step 2 = 95 Nm [ 70 lb.ft ]
step 3 = Rotate 60 degrees

135 mm [5.3 in] Capscrew
step 1 = 170 Nm [125 lb.ft]
step 2 = Loosen all capscrews
step 3 = 50 Nm [37 lb.ft ]
step 4 = Rotate 120 degrees


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engine manuals and specs
 
Cummins ISL and QSL
Connecting Rod Bolts

step 1 = 60 Nm [ 44 lb.ft ]
step 2 = Loosen Capscrews
step 3 = 70 Nm [ 52 lb.ft ]
step 4 = Advance 60-degrees








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engine manuals and specs
 
Cummins ISL and QSL
Cylinder Head Bolts

Engines with CM554 Control Module
step 1 = 148 Nm, 109 lb.ft
step 2 = 148 Nm, 109 lb.ft (repeat)
step 3 = Advance 90-degrees

Engines with CM850 Control Module
step 1 = 150 Nm [111 lb.ft]
step 2 = Loosen all capscrews
step 3 = 110 Nm [81 lb.ft]
step 4 = 110 Nm [81 lb.ft]
step 5 = Advance 120-degrees

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Cummins ISL & QSL Diesel Engine Spec Sheets

 
ISL QSL fire and emergency booklet p1
Cummins ISL 
fire and emergency booklet 
25 page - click to download
ISL better power booklet p1
Cummins ISL 
better power booklet 
6 page - click to download

Cummins ISC, QSC ISL & QSL Diesel Engine workshop repair Manuals, QSL9 parts book

 

Cummins ISL and QSL Diesel Engine Specs

 
Cummins ISC, ISL and QSL
Displacement and arrangement

Displacement
ISC 8.3 liters [504 in³]
ISL 8.3 liters [504 in³]
ISL 8.9 liters [540 in³]

QSL 8.9 liters [540 in³]

Arrangement
6 cylinder in line
turbocharged
and mostly after-cooled

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Cummins ISL and QSL
Power and torque

ISL Power
138-298 kW 
185-400 hp @ 2200 rpm

QSL Power
246-298 kW 
330-400 hp @ 2200 rpm

Torque Range
856-1695 Nm
631-1250 lb.ft @ 1250 rpm

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Cummins ISL and QSL
Bore and stroke

Bore
114 mm, 4.49 in

Stroke
8.3 liter 135 mm, 5.32 in
8.9 liter 144.5 mm, 5.69 in





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Cummins ISL and QSL
Dimensions and weight

Dimensions
approx:
Length 1128 mm, 44 in
Width 749 mm, 29.5 in
Height 1096 mm, 43.1 in

Weight
dry approx:
8.3 liter 694 kg, 1530 lb
8.9 liter 706 kg, 1555 lb

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