Repair and General OEM Specifications
06
200
10
OUO1004,0000BCF –19–02NOV00–2/5
Item Measurement Specification
No. 1 Piston Compression Ring End Gap 0.48—0.74 mm (0.019—0.029 in.)
(3-mm Rings)
No. 2 Piston Compression Ring End Gap 1.35—1.65 mm (0.053—0.065 in.)
(3-mm Rings)
Oil Control Ring-to-Groove Clearance 0.064—0.114 mm (0.0025—0.0045
(RE52836, RE504801, RE66125 in.)
Pistons) Maximum Clearance 0.165 mm (0.0065 in.)
Oil Control Ring-to-Groove Clearance 0.041—0.091 mm (0.0016—0.0036
(RE504343, RE503969 and in.)
RE505901 Pistons) Maximum Clearance 0.132 mm (0.0052 in.)
Piston Pin OD 50.772—50.787 mm (1.9989—
1.9995 in.)
Piston Pin Bore in Piston (6105) ID 50.795—50.805 mm (1.9998—
2.0002 in.)
Piston Skirt Bushing (6125) ID 50.798—50.808 mm (1.9999—
2.0003 in.)
Piston Crown Bushing (6125) ID 50.810—50.825 mm (2.0004—
2.0010 in.)
Piston Skirt (6105) OD 29.97 mm (1.180 in.) from 126.872—126.898 mm (4.9950—
Bottom of Piston 4.9960 in.)
Piston Skirt (6125) OD 35.0 mm (1.380 in.) from Bottom 126.910—126.930 mm (4.9965—
of Skirt 4.9972 in.)
Cylinder Liner ID 126.990—127.010 mm (4.9996—
5.0004 in.)
Max. Out of Round 0.020 mm (0.0008 in.)
Max. Wear or Taper (Ring Travel 0.030 mm (0.0012 in.)
Area)
Piston-to-Liner Clearance (New Part Clearance 0.092—0.138 mm (0.0036—0.0054
6105) in.)
Max. Acceptable Wear 0.152 mm (0.0060 in.)
Piston-to-Liner Clearance (New Part Clearance 0.060—0.100 mm (0.0024—0.0039
6125) in.)
Max. Acceptable Wear 0.152 mm (0.0060 in.)
CTM100 (06APR04)
06-200-10
P
OWER
T
ECH
10.5 L & 12.5 L Diesel Engines
040604
PN=420
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