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Cummins NH220 Essential Diesel Engine Bolt Tightening Torques

 

Cummins NH220, N743 Main Bearing Bolt torque 

Step 1 = 210 Nm, 155 lb.ft
Step 2 = 420 Nm, 310 lb.ft
Step 3 = Loosen
Step 4 = 197 Nm, 145 lb.ft
Step 5 = 420 Nm, 310 lb.ft


Cummins NH220, N743 Connecting Rod Bolt torque 

Step 1 = 102 Nm, 75 lb.ft
Step 2 = 142 Nm, 105 lb.ft
Step 3 = Loosen
Step 4 = 41 Nm, 30 lb.ft
Step 5 = 102 Nm, 75 lb.ft
Step 6 = 142 Nm, 105 lb.ft

Cummins NH220, N743 Cylinder Head Bolt torque 

Step 1 = 373 Nm, 275 lb.ft
Step 2 = 542 Nm, 400 lb.ft
Step 3 = 651 Nm, 480 lb.ft


Cummins NH220 Diesel Engine Spec Sheets

 
Cummins NH220 spec sheet
Cummins NH220 
spec sheet 
5 page - click to download

Cummins NH220 Diesel Engine workshop repair Manuals

 
NH220 workshop manual
Cummins NH220 
workshop manual 
298 page - click to download

Cummins NH220 Diesel Engine Specs

 
Cummins NH220, N743 Displacement and arrangement 

Displacement
12.2 liter, 743 CID

Arrangement
6 cylinder in-line engine with naturally aspirated and turbocharged variants

Cummins NH220, N743 Power and torque 

Power
from 190 to 280 hp,
142 to 208 kW
@ 2100 rpm

Torque Range
lower range
550 lb.ft, 746 Nm @ 1350 rpm


Cummins NH220, N743 Bore, stroke and compression ratio 

Bore
130.2 mm, 5.125 in

Stroke
152.4 mm, 6.00 in

Compression Ratio
Natural Aspirated 15.5:1
Turbocharged 15.0:1
Compression Ratio may also vary according to CPL number

Cummins NH220, N743 approx Dimensions and weight 

Dimensions
length 1448 mm, 57 in
width 686 mm, 27 in
height 1270 mm, 50 in

Weight
2800 lb, 1273 kg



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