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CAT C18 Essential Diesel Engine Bolt Tightening Torques

 

CAT C18 Main Bearing Bolts
Step 1 = 190 lb.ft, 260 Nm
Step 2 = plus 120 degrees

CAT C18 Connecting Rod Bolts
Step 1 = 65 lb.ft, 90 Nm
Step 2 = plus 90 degrees


CAT C15 C16 C18 Diesel Engine Cylinder Head Bolt Tightening Torques

 

CAT C15 C16 C18 Cylinder Head Bolts
Step 1 = 200 lb.ft, 270 Nm
Step 2 = 330 lb.ft, 450 Nm
Step 3 = (repeat step2)

C18 Cylinder Head Bolt tightening
Click to view the C15 C16 C18 cylinder head bolt torque sequence

NB in the display view diagram
Bolts Marked "X" = 216 mm (8.5 inch) long
Other bolts = 194 mm (7.6 inch) long
Torques are the same


CAT C18 Diesel Engine Specs

 

CAT C18 Displacement, bore and stroke

Displacement
18.1 liter
1104 CID

Bore
5.71 in
145.0 mm

Stroke
7.2 in
183.0 mm

CAT C18 Arrangement
6 Cylinder in-line
Turbo

CAT C18 Power
575 hp, 429 Kw @ 2100 rpm


CAT C18 Dimensions
approx:
Length = 1388 mm, 55 in
Width = 921 mm, 36 in
Height = 1243 mm, 49 in

CAT C18 Weight
approx:
1332 Kg, 2937 lb



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Page Revision #2.1RS 21-08-2021