CUMMINS N14 - Page 779

Crankshaft Gear Press Fit Area Outside
Diameter 7-38 95.504 mm MIN 3.7600 in
95.522 mm MAX 3.7607 in
Piston Skirt Outside Diameter 7-25 139.27 mm MIN 5.4922 in
Piston Pin Bore Inside Diameter 7-25 63.504 mm MIN 2.50016 in
(at 20°C (68°F)) 63.517 mm MAX 2.50067 in
Piston Pin Outside Diameter 7-25 50.762 mm MIN 1.9985 in
50.775 mm MAX 1.9990 in
Piston Pin Length 7-25 119.558 mm MIN 4.707 in
119.863 mm MAX 4.719 in
Piston Pin Out of Round 7-25 0.03 mm MAX 0.001 in
Piston Ring Gap (In New Cylinder Liner) 7-25
Top Ring 0.43 mm MIN 0.017 in
0.68 mm MAX 0.027 in
Second Ring 0.51 mm MIN 0.020 in
0.76 mm MAX 0.030 in
Oil Control Ring 0.25 mm MIN 0.010 in
0.64 mm MAX 0.025 in
Note: Add 0.08 mm (0.003 in) to MAX Limit for Each .03 mm (.001 in) Wear in Liner Wall.
Component Specifications and Torque Values Section V - Engine Component Specifications
Page V-28 N14
Component or Assembly (Procedure) Ref.No./Steps Metric U.S.