Doosan DX60R Shop Manual page 114

The following General Torque Values must be used in all cases
where SPECIAL TORQUE VALUES are not given.
NOTE:
Torque values listed throughout this manual are lubricated (wet) threads; values should be
increased 1/3 for nonlubricated (dry) threads.
Thread Size
1/4" - 20
1/4" - 28
5/16" - 18
5/16" - 24
3/8" - 16
3/8" - 24
7/16" - 14
7/16" - 20
1/2" - 13
1/2" - 20
9/16" - 12
9/16" - 18
5/8" - 11
5/8" - 18
3/4" - 10
3/4" - 16
7/8" - 9
7/8" - 14
1" - 8
1" - 14
1 1/8" - 7
1 1/8" - 12
1 1/4" - 7
1 1/4" - 12
1 3/8" - 6
1 3/8" - 12
1 1/2" - 6
1 1/2" - 12
1 3/4" - 5
2" - 4 1/2
NOTE: If any bolts and nuts are found loose or at
values less than what the chart states, it is
recommended that the loose bolt and/or nut be
replaced with a new one.
Standard Torques
Page 8
Heat Treated Material Grade 5 and Grade 8
Grade 5
(3 Radial Dashes On Head)
Foot Pounds Newton Meter
(ft lb)
6
7
13
15
24
27
38
42
58
65
84
93
115
130
205
240
305
334
455
510
610
685
860
955
1130
1290
1400
1690
2370
3550
(6 Radial Dashes On Head)
Foot Pounds
(Nm) (ft lb)
8 9
9 11
18 18
20 21
33 34
37 38
52 54
57 60
79 82
88 90
114 120
126 132
156 165
176 185
278 290
312 320
414 455
454 515
617 695
691 785
827 990
929 1110
1166 1400
1295 1550
1532 1830
1749 2085
2034 2430
2291 2730
3213 3810
4813 5760
Grade 8
Newton Meter
(Nm)
12
15
24
28
46
52
73
81
111
122
163
179
224
251
393
434
617
698
942
1064
1342
1505
1898
2102
2481
2827
3295
3701
5166
7810
SP000813