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CATERPILLAR C7 Essential Diesel Engine Bolt Tightening Torques

 

Caution: Bolt Torques and other data, may vary from serial number to serial number, please check the manuals.

CAT C7 Main Bearing capscrews
step 1 = 54 ± 7 Nm, 40 ± 5 lb.ft
step 2 = + 90 degrees

CAT C7 Connecting Rod Bolts
step 1 = 70 ± 5 Nm, 52 ± 4 lb.ft
step 2 = + 120 degrees

CAT C7 Cylinder Head Bolts
Main Cylinder Head Bolts
step 1 = 300 Nm, 220 lb.ft
step 2 = loosen all
step 3 = 130 Nm, 95 lb.ft
step 4 = repeat step 3
step 5 = + 45 degrees

Minor Cylinder head Bolts
55 Nm, 41 lb.ft

CATERPILLAR C7 Diesel Engine Specs

 

CAT C7 Displacement, bore and stroke

Displacement
7.2 liter, 442 CID

Bore
4.33 in, 110 mm

Stroke
5.0 in, 127 mm

CAT C7 Arrangement
6 cylinder in-line turbo,
aftercooled 


CAT C7 Power
Acert
218 hp 168 kW @ 2200 rpm

CAT C7 Torque
761 lb.ft 1028 Nm @ 1350 rpm


CAT C7 Dimensions
approx:
length 1089.5 mm, 42.9 in
width 986.7 mm, 38.8 in
height 969.6 mm, 38.2 in

CAT C7 Weight
approx:
647 kg
1425 lb

CAT C7 Compression Ratio
mostly at 16.5:1



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Page Revision #11.1RSDS 06-21