Cummins N14 engine specifications and manuals

Cummins N14
Main Bearing Bolts

Step 1 = 120 Nm, 90 lb.ft
Step 2 = 230 Nm, 170 lb.ft
Step 3 = 346 Nm, 255 lb.ft
Step 4 Loosen all; 
Step 5 = 120 Nm, 90 lb.ft
Step 6 = 230 Nm, 170 lb.ft
Step 7 = 346 Nm, 255 lb.f

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Cummins N14
Connecting Rod Bolts

Solid Piston
Step 1 = 100 Nm, 75 lb.ft
Step 2 = 264 Nm, 195 lb.ft





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Cummins N14
Connecting Rod Bolts

Articulated Piston
Step 1 = 130 Nm, 95 lb.ft
Step 2 = plus 60 degrees +- 5 degrees
 *** See Important Note below:

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Cummins N14
Cylinder Head Bolts

Step 1 = 136 Nm, 100 lb.ft
Step 2 = 298 Nm, 220 lb.ft
Step 3 = + 90 degrees


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Cummins N14
Displacement, bore and stroke

Displacement
14.0 liter, 855 CID

Bore
5.5", 139.7 mm 

Stroke
6.0", 152.4 mm







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Cummins N14
Arrangement and power

Arrangement
6 Cyl In-Line, 
turbocharged and
turbocharged aftercooled and
naturally aspirated engines

Power
231-391 kW, 310-525 hp 
@ 2100 rpm






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Cummins N14
Dimensions, weight and
compression ratio

Dimensions
approx:
length = 59 in, 1496 mm
widgth = 33 in, 854 mm
height =51 in, 1293 mm

Weight
approx:
2800 lb, 1300 kg

Compression ratio
N14 Marine 17:1 
Genset Spec Sheet 17:1

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