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CATERPILLAR C10 and C12 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 C10, C12 Main Bearing Cap Bolts
step 1 = 95Nm, 70 lb.ft
step 2 = + 90 degrees
CAT C10, C12 Connecting Rod Bolts
step 1 = 130 ± 7 Nm, 95 ± 5 lb.ft
step 2 = + 60 degrees
CAT C10, C12 Main Cylinder Head Bolts
(bolts 1 through bolt 26 in a numerical sequence)
step 1 = 160 Nm, 120 lb.ft
step 2 = repeat step 1
step 3 = + 90 degrees
step 4 = loosen all
step 5 = 160 ± 10 Nm, 120 lb.ft
step 6 = repeat step 5
step 7 = + 90 degrees
Minor Cylinder Head Bolts(bolts 27 through bolt 34 in a numerical sequence)
step 8 = 28 Nm, 20 lb.ft
CATERPILLAR C10 and C12 Diesel Engine Specs
CAT C10, C12 Displacement, bore and stroke
Displacement
12.0 liter, 732 CID
Bore
5.12 in, 130 mm
Stroke
5.91 in, 150 mm
CAT C10, C12 Arrangement
6 cylinder in-line turbo,
aftercooled
CAT C10, C12 Power, marine
570 hp
425 kW
@ 2300 rpm
CAT C10, C12 Torque
2127 lb.ft
2884 Nm
@ 1400 rpm
CAT C10, C12 Dimensions
approx:
length 1574 mm, 62 in
width 969 mm, 38 in
height 1009 mm, 40 in
CAT C10, C12 Weight
approx:
1076 kg
2372 lb