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 Click for CAT C10 and C12 engine manuals and specs
CAT C10, C12 Connecting Rod Bolts step 1 = 130 ± 7 Nm, 95 ± 5 lb.ft step 2 = + 60 degrees Click for CAT C10 and C12 engine manuals and specs
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Technical 
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 ± 7 lb.ft
step 6 = repeat step 5
step 7 = + 90 degrees ± 5 degrees
Minor Cylinder Head Bolts
(bolts 27 through bolt 34
in a numerical sequence)
step 8 = 28 Nm, 20 lb.ft
Click for CAT C10 and C12
engine manuals and 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 Click for CAT C10 and C12 engine manuals and specs
CAT C10, C12 Arrangement 6 cylinder in-line turbo, aftercooled Click for CAT C10 and C12 engine manuals and specs
CAT C10, C12 Power, marine 570 hp 425 kW @ 2300 rpm Click for CAT C10 and C12 engine manuals and specs
CAT C10, C12 Torque 2127 lb.ft 2884 Nm @ 1400 rpm Click for CAT C10 and C12 engine manuals and specs
CAT C10, C12 Dimensions approx: length 1574 mm, 62 in width 969 mm, 38 in height 1009 mm, 40 in Click for CAT C10 and C12 engine manuals and specs
CAT C10, C12 Weight approx: 1076 kg 2372 lb Click for CAT C10 and C12 engine manuals and specs
Diesel Engine SpecsBasic specs are free and open to everyone They usually include engine images, displacement, dimensions and weight, essential bolt tightening torques, plus characteristics of the engine e.g. its power and torque. Essential bolt torques are: main bearing cap bolts connecting rod cap bolts cylinder head bolts
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