CAT C10 and C12 Specs, bolt torques and manuals

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Your Diesel Engine Specs

Basic specs are open to everyone and include images, displacement, dimensions and weight, essential bolt tightening torques, the characteristics of the engine like its power and torque.
Essential bolt tightening torques are the main bearing cap bolt torque, the connecting rod cap bolt torque and the cylinder head bolt torques.


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Caterpillar C10 and C12 bolt torques, manuals, engine specs

Cat C10 and C12 bolt torques, Step by Step

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

Main Bearing Cap bolts
step 1 = 95Nm, 70 lb.ft
step 2 = + 90°

Connecting Rod Bolts
step 1 = 130 ± 7 Nm, 95 ± 5 lb.ft
step 2 = + 60°


caterpillar c11-c13 cylinder head and numbered bolts
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°
step 4 = loosen all
step 5 = 160 ± 10 Nm, 120 ± 7 lb.ft
step 6 = repeat step 5
step 7 = + 90° ± 5°

Minor Cylinder head Bolts
(bolts 27 through bolt 34 in a numerical sequence)
step 8 = 28 Nm, 20 lb.ft


Caterpillar C10 and C12 manuals and spec sheets


Caterpillar C10 and C12 engine specs

CATERPILLAR c12
Displacement
12.0 liter, 732 CID
Bore - 5.12 in, 130 mm	 
Stroke - 5.91 in, 150 mm
Arrangement
6 cylinder in-line turbo, 
aftercooled
 
Power, marine 
570 hp
425 kW 
@ 2300 rpm

Torque 
2127 lb.ft 
2884 Nm
@ 1400 rpm

Dimensions:
approx:
length 1574 mm, 62 in
width 969 mm, 38 in
height 1009 mm, 40 in

Weight:
approx:
1076 kg 
2372 lb

Compression ratio:
16:1


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Phone: +27 72 754 4660
email: steve@barringtondieselclub.co.za
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