A Series Diesel Engine Base Engine Components 170
Pistons
z Skirt Diameter (Minimum)
Nominal
87.95 to 87.97 mm
[3.463 to 3.4634 in]
Worn Limit
87.90 mm [3.46 in]
z Pin Bore Diameter (Maximum)
30.008 mm [1.181 in]
Worn Limit: 30.02 mm [1.1819 in]
Note : Measure the diameter on a vertical axis only.
z Ring Groove (Minimum)
Top Groove
2.006 mm [0.079 in]
Oil Control Groove
3.002 mm [0.118 in]
z Piston Pin Diameter (Minimum)
30 mm [1.181 in]
Worn Limit: 29.9 mm [1.177 in]
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