CAT C7 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.


Some Popular Engine Specs


Caterpillar C7 bolt torques, manuals, specs

Caterpillar C7 essential bolt torques

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

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

Connecting Rod Bolts
step 1 = 70 ± 5 Nm, 52 ± 4 lb.ft
step 2 = + 60°

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°

Minor Cylinder head Bolts
55 Nm, 41 lb.ft

Caterpillar C7 spec sheets

Caterpillar C7 manuals


Caterpillar C7 engine specs

CATERPILLAR c7
Displacement
7.2 liter, 442 CID
Bore - 4.33 in, 110 mm	 
Stroke - 5.0 in, 127 mm
Arrangement
6 cylinder in-line turbo, 
aftercooled 
Power 
Acert
218 hp
168 kW 
@ 2200 rpm

Torque 
761 lb.ft 
1028 Nm
@ 1350 rpm

Dimensions:
approx:
length 1036 mm, 41 in
width 758 mm, 30 in
height 1032 mm, 41 in

Weight:
approx:
776 kg 
1711 lb

Compression ratio:
mostly at 17:1


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