TRUCK SERVICE MANUAL
ENGINE
Table 1-1: Cylinder Block Specifications - Inch [mm] (Reference Fig. 1-0) (Cont.)
Ref.
Worn
New
New
No.
Measurement
Limit
Minimum
Maximum
Cap
0.6262
0.6246
0.6251
[15.880]
[15.865]
[15.878]
12
Piston
Skirt Diameter at 70 F
5.483
5.487
5.488
[21 C] (1)
[139.27]
[139.37]
[139.40]
Piston Pin Bore
Inside Diameter at 70 F
1.999
1.9985
1.9990
[21 C] (2)
[50.776]
[50.762]
[50.775]
13
Piston Pin
Outside Diameter (3)
1.9978
1.99875
1.9990
[50.754]
[50.768]
[50.775]
14
Piston Ring
Part No.
147670
Gap In Ring Travel Area
*
0.023
0.033
of Liner
[0.58]
[0.85]
132880
Gap In Ring Travel Area
*
0.019
0.029
of Liner
[0.48]
[0.74]
168680
Gap In Ring Travel Area
*
0.028
0.038
of Liner
[0.71]
[0.97]
194610
Gap In Ring Travel Area
*
0.010
0.020
of Liner
[0.25]
[0.51]
* Add 0.003 inch [0.08 mm] ring gap to new maximum limit for 0.001
inch [0.03 mm] wear in cylinder liner wall.
15
Camshaft
Journal
Outside Diameter
(4)
1.996
1.997
1.998
[50.70]
[50.72]
[50.75]
Thrust Bearing
Thickness
0.083
0.093
0.098
[2.11]
[2.36]
[2.49]
Support Bushing
Inside Diameter
1.370
1.3725
1.3755
[34.80]
[34.862]
[34.938]
Outboard Bearing Support
Inside Diameter (5)
1.757
1.751
1.754
[44.63]
[44.48]
[44.55]
329
