276 CRANKCASE, C RAN KSHAFT, AND CAMSHAFT
Specifications
Table 37 Crankshaft S pecifications
Type
Steel forged, induction hardened, grindable
Main Bear ing journal diameter
Standard size 107.95 ± 0.015 mm (4.250 ± 0.0006 in)
0.254 mm (0.010 in) undersized 107.70 ± 0.015 mm (4.240 ± 0.0006 in)
0.508 mm (0.020 in) undersized 107.44 ± 0.0152 mm (4.230 ± 0.0006 in)
0.762 mm (0.030 in) undersized 107.19 ± 0.0152 mm (4.220 ± 0.0006 in)
Damper mounting area runout (maximum) 0.03 mm (0.001 in)
Flywheel mounting surface runout (maximum) 0.05 mm (0.002 in)
Main bearing journal maximum out-of-round 0.05 mm (0.002 in)
Main bearing journal taper (maximum per inch) 0.071 mm (0.0028 in)
Main bearing thrust face runout (TIR maximum) 0.03 mm (0.001 in)
Main bearing width (except rear thrust) 34.19 ± 0.13 mm (1.346 ± 0.005 in)
Number of main bearings
7
Rear oil seal journal runout (maximum) 0.08 mm (0.003 in)
Thrust taken by No. 7 rear upper main bearing
Thrust bearing journal length
34.404 ± 0.038 mm (1.3545 ± 0.0015 in)
Connecting rod journal diameter
Standard Size 80.0 ± 0.0152 mm (3.1500 ± 0.0006 in)
0.0254 mm (0.010 in) undersized 79.7 ± 0.0152 mm (3.1400 ± 0.0006 in)
0.508 mm (0.020 in) undersized 79.5 ± 0.0152 mm (3.1300 ± 0.0006 in)
0.762 mm (0.030 in) undersized 79.2 ± 0.0152 mm (3.1200 ± 0.0006
in)
Center line of main bearing bore to head deck 368.3 ± 0.05 mm (14.50 ± 0.002 in)
Connecting rod bearing to crankshaft running
clearance
0.030 - 0.107 mm (0.0012 - 0.0042 in)
Connecting rod bearing wi
dth
40.01 mm (1.575 in)
Connecting rod journal maximum out-of-round 0.0064 mm (0.00025 in)
Connecting rod journal taper (maximum per inch) 0.0069 mm (0.00027 in)
Crankshaft end play 0.15-0.31 mm (0.006 - 0
.012 in)
Crankshaft end play maximum wear limit 0.51 mm (0.020 in)
Crankshaft flange outside diameter 155.58 mm (6.125 in)
Crankshaft gear bac
klash
0.08-0.41 mm (0.003
- 0.016 in)
Main bearing to crankshaft running clearance 0.046 - 0.127 mm (0.0018 - 0.0050 in)
Connecting rod to crankshaft side clearance 0.30 ± 0.11 mm (0.012 ± 0.005 in)
Standard size to 0
.51 mm (0.020 in) undersized
34.404 ± 0.03 mm (1
.3545 ± 0.010 in)
EGES-265-2
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
Follow all warnings, cautions, and notes.
© 2009 Navistar, Inc.
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