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ENGINE DIVISION SERVICE MANUAL
TM 5-4210-230-14&P-1
ENGINE
SPECIFICATIONS
ENGINE MODELS
MV-404
MV-446
CYLINDER BLOCK:
Bearing Bore
3.3152-3.3162
3.3152-3.3162
Bore Diameter (Standard)
4.125
4.125
CRANKSHAFT:
Number of Main Bearings
5
5
Main Journal Diameter
3.1228 - 3.1236
3.1228 - 3.1236
Main Bearing Clearance
0010 - .0036
0010 - .0036
Crankshaft End Play
0025 - .0085
0025 - .0085
Thrust Taken by
3rd. Main
3rd. Main
Rod Journal Dia. (Crankpin)
2.4980 - 2.4990
2.4980 - 2.4990
CAMSHAFT
Camshaft Bore
2.1515-2.1525
2.1515-2.1525
Number of Camshaft Bearings
5
5
Camshaft Journal Diameter
2.0990 - 2.1000
2.0990 - 2.1000
Bearing Clearance
001 - .0035
001 - .0035
Camshaft End Play
001 - .009
001 - .009
Thrust Taken by
Thrust Plate
Thrust Plate
Timing Gear Backlash
009 - .0067
0009 - .0067
CONNECTING RODS:
Bearing Bore Diameter
2.6245 - 2.6250
2.6245 - 2.6250
Bearing Clearance
0011 - .0036
0011 - .0036
Side Clearance
008 - .020
008 - .020
PISTONS:
Recommended Piston
Clearance
0012 - .0022
0012 - .0022
Ring Groove Size:
Compression Rings (2)
0955 - .0965
0955 - .0965
Oil Ring
1885 - .1895
1885 - .1895
Pin Bore Diameter
1.0203 - 1.0205
1.0203 - 1.0205
PISTON PINS:
Length (Inches)
2.815 - 2.825
2.815 - 2.825
Diameter
1.0199 - 1.0201
1.0199 - 1.0201
Clearance in Piston
0002 - .0006
0002 - .0006
Clearance in Rod
0004 - .0008
0004 - .0008
PISTON RINGS:
Compression Rings (2):
Size (Face Width)
0925 - .0935
0925 - .0935
Gap
013 - .023
013 - .023
Side Clearance (Fit in Groove)
002 - .004
002 - .004
Oil Control Ring:
Number Used on Each Piston
1
1
Size
1855 - .1865
1855 - .1865
Ring Diameter
4.125
4.125
Gap
013 - .023
013 - .023
Side Clearance (Fit in Groove)
002 - .004
002 - .004
VALVES:
Intake Valves:
Face Angle
450
450
Seat Width (Inch)
060 - .090
060 - .090
Seat Run-Out (T.I.R.) (Max.)
002
002
Valve to Rocker Arm Clearance
None*
None*
Stem Diameter
37215 - .37285
37215 - .37285
Stem Clearance in Guide
00115 - .00285
00115 - .00285
*Hydraulic Lifters.
CGES-210 Page 67
PRINTED IN UNITED STATES OF AMERICA
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