440 APPENDIX A – SPECIFICATIONS
Table 71 Crankcase Specifications
Cap attachment
2 bolts per cap
Coolant heater rating
1250 W, 120 V
Counterbore dimension in crankcase 8.865 ± 0.025 at 132 mm (0.349 ± 0.001
at 5.189 in)
Crankcase deck flatness 0.08 mm (0.003 in)
Cylinder sleeve counterbore maximum allowable depth 9.25 mm (0.364 in)
Main bearing type Precision replaceable
Material
Steel-backed copper, lead, tin
Maximum allowable variation of counterbore depth (between
four points)
0.025 mm (0.001 in)
Piston cooling tube dia. (spray hole) DT 466 1.91 - 2.06 mm (0.075 - 0.081 in)
Piston cooling tube dia. (spray hole) DT 570, HT 5
70
2.26 - 2.41 mm (0.089 - 0.095 in)
Roller tappet outside diameter
28.435 - 28.448 mm (1.1195 -1.1200 in)
Sleeve protrusion above crankcase 0.05 - 0.13 mm (0.002 - 0.005 in)
Tappet bore diameter
28.51-28.55mm(1.123-1.124in)
Thrust taken by No. 7 rear upper main bearing
Camshaft
Bushing I.D. (installed) 58.03 - 58.12 mm (2.285 - 2.288 in)
Cam lobe lift, exhaust 6.91 mm (0.272 in)
Cam lobe lift, intake 6.68 mm (0.263 in)
Camshaft end play 0.18 - 0.33 mm (0.007 - 0.013 in)
Camshaft journal diameter 57.95 - 58.98 mm (2.282 - 2.283 in)
Camshaft radial clearance 0.05- 0.17 mm (0.002 - 0.007 in)
Maximum permissible cam lobe wear
0.25 mm (0.010 in)
Service bushings furnished to size
Yes
Thrust plate thickness (ne
w)
6.96 - 7.01 mm (0.274 - 0.276
in)
Camshaft Bushing Bore Diameter in Crankcase
Front
65.51-63.55mm(2.501-2.502in)
Intermediate front 63.01 - 63.04 mm (2.481 - 2
.482 in)
Intermediate rear
63.01-63.04mm(2.481-2.482in)
Rear
65.51-63.55mm(2.501-2.502in)
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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