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Popular Diesel Engine Specs

CATERPILLAR 3412 Essential Diesel Engine Bolt Tightening Torques

 
CAT 3412
Main Bearing Caps
Step1 = 190 lb.ft, 260 Nm  
Step2 = plus 120 degrees

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engine manuals and specs
 
CAT 3412
Connecting Rod Bolts
Step 1 = 80 Nm, 60 lb.ft
Step 2 = +120°

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engine manuals and specs
 
CAT 3412
Cylinder head Bolts
Step 1 = 270 Nm, 200 lb.ft   
Step 2 = 447 Nm, 330 lb.ft
Step 3 = 447 Nm, 330 lb.ft

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engine manuals and specs
 

CATERPILLAR 3412 Diesel Engine Specs

 
CAT 3412
Displacement
27.0 liter  
1649 CID
Bore
5.4"
137.2 mm 
Stroke
6.0"
152.4 mm

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CAT 3412
Arrangement
V12 turbo, 

Dimensions:
approx: 
3412E Marine - length to flywheel housing
length = 74.4 in, 1890 mm
width = 53 in, 1354 mm
height = 54 in, 1372 mm

Weight:
approx:
3412E Marine = 5584 lbs, 2533 kg

3412TA = 5420 lb,  2463 kg

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engine manuals and specs
 
CAT 3412
Power
Genset Prime Power:
3412 = 725 kVa, 580 ekW @1500 rpm

Marine:
3412E = 1400 hp, 1044 kW @ 2300 rpm

Compression ratio:
3412 TA Gen Set = 13:1
for others check piston Crown part number

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

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CATERPILLAR 3408, 3412 manuals and spec sheets

 


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