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CATERPILLAR 3412 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.


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CAT 3412 key specs, essential bolt torques, and manuals


Caterpillar 3412 specs and bolt torques, with links to manuals and spec sheets

 CAT 3412 essential bolt 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

CAT 3412 key specs

CATERPILLAR 3408
Displacement
27.0 liter  
1649 CID
Bore
5.4"
137.2 mm 
Stroke
6.0"
152.4 mm
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

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