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CAT 3412 engine specifications and manuals - amp

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dimensions and weight, 
essential bolt tightening torques, 

characteristics of the engine 
e.g. its power and torque. 

Essential bolt tightening torques are
 main bearing cap bolt torque, 
 connecting rod cap bolt torque 
 and the cylinder head bolt torques.
 


 
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CAT 3412 engine specs, manuals and essential bolt torques - amp

 
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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 degrees

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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, bore and stroke

Displacement
27.0 liter  
1649 CID

Bore
5.4"
137.2 mm

Stroke
6.0"
152.4 mm

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engine manuals and specs 
 
CAT 3412
Arrangement, 
dimensions and weight

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 and 
compression ratio

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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engine manuals and specs
 

CATERPILLAR 3408, 3412 manuals and spec sheets

 
CATERPILLAR 3408, 3412 manuals and spec sheets - click to go to manuals and spec sheets


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