TRUCK SERVICE MANUAL
ENGINE
New
New
Worn
Part or Location
Minimum
Maximum
Limit
Part No.
143946
0.0081
0.0099
[0.206]
[0.251]
Part No.
143947
0.018
0.022
[0.46]
[0.56]
Part No.
143948
0.028
0.034
[0.71]
[0.86]
Part No.
143949
0.056
0.068
[1.42]
(1.73]
Cylinder Liner
Cylinder Liner Inside Diameter
5.4995
5.501
5.505
[139.6871
[139.73]
[139.83]
Note: New cylinder liners dimensions at 60 to 70 deg F [16 to 21 deg C];
may be 0.0002 to 0.0006 inch [0.005 to 0.015 mm]
smaller than indicated due to lubrite coating.
Cylinder Liner Protrusion
0.003
0.006
[0.081
[0.15]
Standard Size (Thickness)
Main Bearing (All)
0.123
0.1238
0.1215
[3.12]
[3.144]
[3.086]
Connecting Rods (855 Series)
0.0724
0.0729
0.071
[1.839]
[1.852]
[ 1.80]
Journal Clearance
Main
0.0015
0.005
0.007
[0.038]
[0.13]
[0.18]
Connecting Rods
0.0015
0.0045
0.007
[0.038]
[0.114]
[0.18]
Crankshaft Thrust Ring Thickness
Part No's.: 157280
0.245
0.247
[6.22]
[6.27]
157281
0.255
0.257
[6.48]
[6.53]
157282
0.265
0.267
[6.73]
[6.78]
Crankshaft End Clearance
0.007
0.017
0.022
[0.18]
[0.43]
[0.56]
Vibration Dampers
Misalignment of Index Marks
0.0625
[1.587]
Wobble and Eccentricity
Refer to Page
403
Connecting Rods
Nut Tightening (855 C.I.D Series)
Refer to Table 1-1 (19).
Crankpin Bore
Refer to Table 1-1 (6).
Out-of-round
0.0015
[0.038]
424
