Cummins N14 engine manuals, spec sheets, engine specs, and bolt tightening torques

Step 1 = 120 Nm, 90 lb.ft
Step 2 = 230 Nm, 170 lb.ft
Step 3 = 345 Nm, 255 lb.ft
Step 4 Loosen all;
Step 5 = 120 Nm, 90 lb.ft
Step 6 = 230 Nm, 170 lb.ft
Step 7 = 345 Nm, 255 lb.ft

Solid Piston
Step 1 = 100 Nm, 75 lb.ft
Step 2 = 230 Nm, 170 lb.ft

Articulated Piston
Step 1 = 130 Nm, 95 lb.ft
Step 2 = plus 60 degrees +- 5 degrees

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

Displacement
14.0 liter, 855 CID

Bore
5.5", 139.7 mm

Stroke
6.0", 152.4 mm

Arrangement
6 Cyl In-Line with many variants. turbocharged, turbo-aftercooled and naturally aspirated engines

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

Dimensions
approx:
length = 59 in, 1496 mm
width = 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