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
8
Rod Bearings
Shell Thickness
0.071
0.0724
0.0729
(855 C.I.D.)
[1.80]
[1.839]
[1.852]
Journal Clearance
0.007
0.0015
0.0045
[0.18]
[0.038]
[0.114]
9
Crankshaft Thrust Ring
157280 Std.
Thickness
*
0.245
0.247
[6.221
[6.27]
157281 0.010 O.S.
Thickness [0.25]
*
0.255
0.257
[6.48]
[6.53]
157282 0.020 O.S.
Thickness [0.51]
*
0.265
0.267
[6.73]
[6.78]
*Use Crankshaft End Clearance
10
Crankshaft End Clearance
End Clearance
0.022
0.007
0.017
(Installed)
[0.56]
[0.18]
[0.43]
11
Connecting Rod
Crankpin Bore Inside
3.2722
3.2732
Diameter (855 C.I.D.) (1)
[83.114]
[83.139]
Center to Center Length (2)
11.998
12;000
[304.75]
[304.80]
Piston Pin Bushing
Inside Diameter (3)
2.0025
2.001
2.0015
[50.864]
[50.83]
[50.838]
Connecting Rod
Alignment
0.008
Without Bushing
[0.20]
Alignment
0.004
With Bushing
[0.10]
Twist
0.020
0.010
0.020
Without Bushing
[0.51]
[0.25]
[0.51]
Twist
0.010
0.004
0.010
With Bushing
[0.25]
[0.10]
[0.25]
Connecting Rod Bolt
(855 C.I.D.)
Minimum Outside Diameter
0.540
[13.72]
Pilot Outside Diameter
0.6245
0.6250
[15.852]
[15.875]
Bolt Hole Pilot
(855 C.I.D.)
Rod
0.6249
0.6243
0.6248
[15.872]
[ 15.857]
[15.870]
328
