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TIGHTENING TORQUES
(1) Special Tightening Torques
For " * " marked screws, bolts and nuts on under table, apply engine oil to their threads and seats before tightening.
 
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Cylinder Head Cover Nut Main Bearing Case Screw-1 Main Bearing Case Screw-2
  D905
  D1005
  D1105
  D1105
  V1305
  V1505
  V1505
6.9 to 8.8 N m
0.7 to 0.9 kgf m
5.1 to 6.5 ft-lbs
  D905
  D1005
  D1105
  D1105
  V1305
  V1505
  V1505
29.4 to 34.3 N m
3.0 to 3.5 kgf m
21.7 to 25.3 ft-lbs
  D905
  D1005
  D1105
  D1105
  V1305
  V1505
  V1505
49.0 to 53.9 N m
5.0 to 5.5 kgf m
36.2 to 39.8 ft-lbs
 
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Cylinder head screw
(A) 3 cylinder model   (B) 4 cylinder model
     
Cylinder head tighteninig order
  D905
  D1005
  D1105
  D1105
  V1305
  V1505
  V1505
63.7 to 68.6 N m
6.5 to 7.0 kgf m
47.0 to 50.6 ft-lbs
  D905
  D1005
  D1105
  D1105
  V1305
  V1505
  V1505
(A) 3 cylinder model

(B) 4 cylinder model
 
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Flywheel Screw Connecting Rod Screw Rocker Srm Bracket Nut
  D905
  D1005
  D1105
  D1105
  V1305
  V1505
  V1505
53.9 to 58.8 N m
5.5 to 6.0 kgf m
39.8 to 43.4 ft-lbs
  D905
  D1005
  D1105
  D1105
  V1305
  V1505
  V1505
41.2 to 46.1 N m
4.2 to 4.7 kgf m
30.4 to 34.0 ft-lbs
  D905
  D1005
  D1105
  D1105
  V1305
  V1505
  V1505
21.6 to 26.5 N m
2.2 to 2.7 kgf m
15.9 to 19.5 ft-lbs
 
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Idle gear shaft screw Bearing case cover screw Fan drive pulley screw
  D905
  D1005
  D1105
  D1105
  V1305
  V1505
  V1505
9.8 to 11.3 N m
1.00 to 1.15 kgf m
7.2 to 8.3 ft-lbs
  D905
  D1005
  D1105
  D1105
  V1305
  V1505
  V1505
9.8 to 11.3 N m
1.00 to 1.15 kgf m
7.2 to 8.3 ft-lbs
  D905
  D1005
  D1105
  D1105
  V1305
  V1505
  V1505
235.4 to 245.2 N m
24.0 to 25.0 kgf m
173.6 to 180.8 ft-lbs
 
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Glow plug Nozzle holder assembly Oil switch taper screw
  D905
  D1005
  D1105
  D1105
  V1305
  V1505
  V1505
7.8 to 14.7 N m
0.8 to 1.5 kgf m
5.8 to 10.8 ft-lbs
  D905
  D1005
  D1105
  D1105
  V1305
  V1505
  V1505
49.0 to 68.6 N m
5.0 to 7.0 kgf m
36.2 to 50.6 ft-lbs
  D905
  D1005
  D1105
  D1105
  V1305
  V1505
  V1505
14.7 to 19.6 N m
1.5 to 2.0 kgf m
10.8 to 14.5 ft-lbs
 
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Injection pipe retaining nut Overflow pipe assembly retaining nut Camshaft set screw
  D905
  D1005
  D1105
  D1105
  V1305
  V1505
  V1505
24.5 to 34.3 N m
2.5 to 3.5 kgf m
18.1 to 25.3 ft-lbs
  D905
  D1005
  D1105
  D1105
  V1305
  V1505
  V1505
19.6 to 24.5 N m
2.0 to 2.5 kgf m
14.5 to 18.1 ft-lbs
  D905
  D1005
  D1105
  D1105
  V1305
  V1505
  V1505
23.5 to 27.5 N m
2.4 to 2.8 kgf m
17.4 to 20.3 ft-lbs
 
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General Tightening Torques
Screw and bolt material grades are shown by numbers punched on the screw and bolt heads.
Prior to tightening, be sure to check out the numbers as shown below.
None or 4 : Standard grade
7 : Special grade

 

Nominal Diameter

Standard Grade

Special Grade

M6

7.9 to 9.3 N m
0.80 to 0.95 kgf m
5.8 to 6.9 ft-lbs

7.9 to 9.3 N m
0.80 to 0.95 kgf m
5.8 to 6.9 ft-lbs

M8

7.9 to 9.3 N m
0.80 to 0.95 kgf m
5.8 to 6.9 ft-lbs

7.9 to 9.3 N m
0.80 to 0.95 kgf m
5.8 to 6.9 ft-lbs

M10

7.9 to 9.3 N m
0.80 to 0.95 kgf m
5.8 to 6.9 ft-lbs

7.9 to 9.3 N m
0.80 to 0.95 kgf m
5.8 to 6.9 ft-lbs

M12

7.9 to 9.3 N m
0.80 to 0.95 kgf m
5.8 to 6.9 ft-lbs

7.9 to 9.3 N m
0.80 to 0.95 kgf m
5.8 to 6.9 ft-lbs

Alternator pulley nut
  D905
  D1005
  D1105
  D1105
  V1305
  V1505
  V1505
58.3 to 78.9 N m
5.95 to 8.05 kgf m
43.0 to 58.2 ft-lbs
 
 
     
 
Kubota parts