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CATERPILLAR 3408 Essential Diesel Engine Bolt Tightening Torques

 

CAT 3408 Main Bearing Caps
Step1 = 190 lb.ft, 260 Nm
Step2 = plus 120 degrees

CAT 3408 Connecting Rod Bolts
Step 1 = 80 Nm, 60 lb.ft
Step 2 = +120 degrees

CAT 3408 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

 

CAT 3408 Displacement, bore and stroke

Displacement
18.0 liter
1099 CID

Bore
5.4"
137.2 mm

Stroke
6.0"
152.4 mm

CAT 3408 Arrangement, dimensions and weight

Arrangement
V8 turbo,

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

Weight
approx:
3705 lbs
1684 kg

CAT 3408 Power and compression ratio

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


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