Caterpillar C13 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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CAT C13 engine specs, manuals and bolt torques

Caterpillar C13 essential bolt torques

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

Main Bearing bolts
S/N - JAM1-UP
S/N - KCA1359-UP
S/N - KCB6818-UP
step 1 = 150 ± 7 Nm, 110 ± 5 lb.ft
step 2 = + 60°

S/N - KCA1-1358
S/N - KCB1-6817
step 1 = 50 ± 5 Nm, 110 ± 4 lb.ft
step 2 = + 60°

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


image of the caterpillar c11 cylinder head and numbered bolts
Main Cylinder head Bolts
(bolts 1 through bolt 26 in a numerical sequence)
step 1 = 170 Nm, 125 lb.ft
step 2 = repeat step 1
step 3 = + 120°
step 4 = loosen all
step 5 = 170 ± 10 Nm, 125 ± 7 lb.ft
step 6 = repeat step 5
step 7 = + 120° ± 5°

Minor Cylinder head Bolts
(bolts 27 through bolt 34 in a numerical sequence)
step 8 = 55 Nm, 41 lb.ft

Manuals common to Caterpillar C11 and C13 engines

More Caterpillar C13 manuals and spec sheets

Caterpillar C13 key specs

CATERPILLAR C13
Displacement
12.5 liter, 763 CID
Bore - 5.12 in, 130 mm	 
Stroke - 6.18 in, 157 mm
Arrangement
6 cylinder in-line turbo, 
aftercooled 
Power 
Vocational Truck and Bus Ratings: 
305-370 hp, 227-276 kW
@ 2100 rpm

Line Haul Truck and Bus Ratings:  
380-470 hp, 283-350 kW
@ 2100 rpm

Fire Truck Ratings:  
485-525 hp, 361-391 kW 
@ 2100 rpm

RV Ratings: 
525 hp, 391 kW 
@ 2100 rpm

Torque 
1150-1750 lb.ft 
1559-2372 Nm
@ 1200 rpm


Dimensions:
approx:
length 1280 mm, 51 in
width 1090 mm, 43 in
height 1220 mm, 48 in

Weight:
approx:
1184 kg 
2610 lb

Compression ratio:
17.3:1


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Phone: +27 72 754 4660
email: steve@barringtondieselclub.co.za
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Page Revision #8.1R 08-16