CATERPILLAR 3408 Essential Diesel Engine Bolt Tightening Torques

Main Bearing Caps
Step1 = 190 lb.ft, 260 Nm  
Step2 = plus 120 degrees

Connecting Rod Bolts
Step 1 = 80 Nm, 60 lb.ft
Step 2 = +120°

Cylinder head Bolts
Step 1 = 270 Nm, 200 lb.ft   
Step 2 = 447 Nm, 330 lb.ft
Step 3 = 447 Nm, 330 lb.ft

CATERPILLAR 3408 Diesel Engine Specs

CATERPILLAR 3408
Displacement
18.0 liter  
1099 CID
Bore
5.4"
137.2 mm 
Stroke
6.0"
152.4 mm
Arrangement
V8 turbo, 

Dimensions:
approx:
length - 85 in 2159 mm
width - 49 ins 1245 mm
height - 55 ins 1397 mm

Weight:
approx:
3705 lbs
1684 kg
Power 
3408TA = 585 hp, 
431 kW @2100 rpm

Compression ratio:
check piston Crown part number

7C2888 Crown = ratio 16.25:1
1352837 Crown = ratio 16.25:1
149-5566 Crown = ratio 16.25:1
180-7352 Crown = ratio 16.6:1
pistons 7E 8656 & 7E 0692 = ratio 15.6:1

CATERPILLAR 3408 Diesel Engine Spec Sheets and workshop repair Manuals



Barrington Diesel Club
Phone: +27 72 754 4660
email: steve@barringtondieselclub.co.za
© copyright Steve Barrington 2016

Page Revision #12.3RsC 08-17

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