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Popular Diesel Engine Specs


Perkins 4012 series Essential Diesel Engine Bolt Tightening Torques

 
Perkins 4012
Side Bolts and 
Main Bearing Bolts

step 1 = snug

Main Bearing Bolts

step 2 = 100 lb.ft, 135 Nm
step 3 = 200 lb.ft, 270 Nm
step 4 = 400 lb.ft, 540 Nm
step 5 = 580 lb.ft, 783 Nm

Side Bolts

step 2 = 124 lb.ft, 168 Nm

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Perkins 4012
Cylinder Head Bolts

Early types = 
550 lb.ft, 750 Nm

Later types (waisted) = 
530 lb.ft, 720 Nm









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Perkins 4012
Connecting Rod Bolts

M16 dry threads 
210 lb.ft, 285 Nm












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Perkins 4012 PDF Diesel Engine workshop repair Manual and Spec Sheets

 

Perkins 4012 46TAG1A Diesel Engine Specs

 
Perkins 4012
Displacement

45.84 liter









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Perkins 4012
Arrangement

V12 Turbocharged 









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Perkins 4012
Bore, stroke and
compression ratio

Bore
160 mm
	 
Stroke
190 mm

Compression ratio
13.6:1

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Perkins 4012
Power

full load continuous
alternator output

1080 kVa @ 1500 rpm
1085 kVa @ 1800 rpm

Power

full load continuous
engine output

909 kW, 1219 hp @ 1500 rpm
914 kW, 1226 hp @ 1800 rpm

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