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CATERPILLAR C27 Essential Diesel Engine Bolt Tightening Torques


CAT C27 Main Bearing Bolts
Main bearing cap bolts
step 1 = 258 Nm, 190 lb.ft
step 2 = + 120 degrees

CAT C27 Connecting Rod Bolts
step 1 = finger tight
step 2 = 70 Nm, 50 lb.ft
step 3 = + 60 degrees

CAT C27 Cylinder Head Bolts
26 large bolts
step 1 = 450 Nm, 330 lb.ft
step 2 = repeat step 1

13 smaller peripheral bolts
45 Nm, 33 lb.ft

CATERPILLAR C27 Diesel Engine Specs


CAT C27 Displacement, bore and stroke

27.0 liter, 1648 CID

5.41 in, 137.2 mm

6.5 in, 165 mm

CAT C27 Arrangement
V12 turbo,

CAT C27 Power
725 ekW, 1035 kVa
@60 Hz 1800 rpm

CAT C27 Dimensions, weight and compression ratio

length = 5207 mm, 205 in
width = 1905 mm, 75 in
height = 2180 mm, 86 in


Compression ratio

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