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Popular Diesel Engine Specs

Perkins 4012 engine specs, bolt torques and manuals

Perkins 4012 series Essential Diesel Engine Bolt Tightening Torques

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

Cylinder Head Bolts
Early types = 550 lb.ft, 750 Nm
Later types (waisted) = 530 lb.ft, 720 Nm

Connecting Rod bolts
M16 dry threads 
210 lb.ft, 285 Nm

Perkins 4012 46TAG1A Diesel Engine Specs

Displacement
45.84 liter

Arrangement
V12 Turbocharged 

Bore
160 mm
	 
Stroke
190 mm

Compression ratio
13.6:1

Power
full load continuous
alternatour 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


Perkins 4012 PDF Diesel Engine workshop repair Manual and Spec Sheets




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