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CATERPILLAR 3176C Essential Diesel Engine Bolt Tightening Torques

 

CAT 3176C Main Bearing Caps
step 1 = 95 Nm, 70 lb.ft
step 2 = + 90 degrees

CAT 3176C Connecting Rod Bolts
step 1 = 130 ± 7 Nm, 95 ± 5 lb.ft
step 2 = + 60 degrees ± 5 degrees

CAT 3176C Cylinder Head Bolts
Bolts 1-26
Step 1 = 160 Nm, 120 lb.ft
Step 2 = repeat of step 1
= 160 Nm, 120 lb.ft
Step 3 = + 90 degrees
Step 4 = loosen
Step 5 = 160 Nm, 120 lb.ft
Step 6 = repeat of step 5 = 160 Nm, 120 lb.ft
Step 7 = + 90 degrees


CATERPILLAR 3176B
Essential Diesel Engine Bolt Tightening Torques

 

CAT 3176B Main Bearing Caps
step 1 = 95 Nm, 70 lb.ft
step 2 = + 90 degrees

CAT 3176B Connecting Rod Bolts
step 1 = 130 ± 7 Nm, 95 ± 5 lb.ft
step 2 = + 60 degrees ± 5 degrees

CAT 3176B Cylinder Head Bolts
Bolts 1-26
Step 1 = 150 Nm, 110 lb.ft
Step 2 = 275 Nm, 200 lb.ft
Step 3 = repeat step 2
 = 275 Nm, 200 lb.ft 

Bolts 27-33
Step 4 = 25 Nm, 18 lb.ft




CATERPILLAR 3176C Diesel Engine Specs

 

CAT 3176 Displacement, bore and stroke
Displacement
10.3 liter, 629 CID

Bore
125.0 mm, 4.92 inch

Stroke
140.0 mm, 5.51 inch

CAT 3176 Arrangement
6 cylinder in line
turbo engine

CAT 3176 Power
Land
187 kW to 242 kW,
250-325 hp @ 1700
to 2100 rpm

Marine
up to 448 kW,
600 hp @ 2300 rpm

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