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Cummins QSK19 Essential Diesel Engine Bolt Tightening Torques

 
Cummins QSK19 Main Bearing Bolt Torque 

step 1 = 265 Nm, 195 lb.ft
step 2 = 605 Nm, 445 lb.ft
step 3 = loosen
step 4 = 265 Nm, 195 lb.ft
step 5 = 605 Nm, 445 lb.ft

Cummins QSK19 Connecting Rod Bolt Torque 

step 1 = 100 Nm, 75 lb.ft
step 2 = 205 Nm, 150 lb.ft
step 3 = 339 Nm, 250 lb.ft
step 4 = loosen
step 5 = 100 Nm, 75 lb.ft
step 6 = 205 Nm, 150 lb.ft
step 7 = 339 Nm, 250 lb.ft

Cummins QSK19 Cylinder Head Bolt Torque 

step 1 = 68 Nm, 50 lb.ft
step 2 = 205 Nm, 150 lb.ft
step 3 = 300 Nm, 220 lb.ft
step 4 = Rotate 90 degrees


Cummins QSK19 Diesel Engine Specs

 
Cummins QSK19 Displacement and arrangement 

Displacement
18.8 liter, 1150 CID

Arrangement
6 cylinder in line turbocharged and mostly after-cooled

Cummins QSK19 Engine Power and Torque 

Marine
660-800 hp, 493-563 kW
@ 1800-2100 rpm



Cummins QSK19 Bore, stroke and compression ratio 

Bore
6 1/4", 158.75 mm

Stroke
6 1/4", 158.75 mm

Compression Ratio
for 525 hp to 600 hp with Aftercooled Water Jacket 17.0:1
for 600 hp to 750 hp, Low Temperature Aftercooled engines 15.0:1

Cummins QSK19 Dimensions and weight 

Dimensions
Marine approx:
length 2007 mm, 79 in
width 963 mm, 38 in
height 1880 mm, 74 in

Weight
dry approx:
1720 kg, 3800 lb


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Page Revision #11.1RSDS 07-07-21