MacDon M105 Operator's Manual page 201

Table 5.2 SAE Grade 5 Bolt and Grade 5 Distorted
Thread Nut
Torque (ft·lbf)
Nominal
(*in·lbf)
Size (A)
Min.
1/4-20 *72
5/16-18 *149
3/8-16 22
7/16-14 35
54
1/2-13
9/16-12 77
5/8-11 107
3/4-10 192
7/8-9 306
1-8 459
Table 5.3 SAE Grade 8 Bolt and Grade 8 Distorted
Thread Nut
Torque (ft·lbf)
Nominal
(*in·lbf)
Size (A)
Min.
1/4-20 *150
5/16-18 18
31
3/8-16
7/16-14 50
1/2-13 76
9/16-12 109
5/8-11 151
3/4-10 268
432
7/8-9
1-8 647
169890
MAINTENANCE AND SERVICING
Torque (N·m)
Max. Min. Max.
*80 8.1
*164 16.7 18.5
24 30
39 48
59 73
86 105
118 144
212 259
338 413
507 619
Torque (N·m)
Max. Min. Max.
*165 16.8 18.6
19 24
34 42
55 67
84 102
121 148
167 204
296 362
477 583
716 874
9
33
53
80
116
Figure 5.2: Bolt Grades
160
A - Nominal Size
C - SAE-5
286
456
684
26
46
74
113
163
Figure 5.3: Bolt Grades
225
A - Nominal Size
C - SAE-5
400
644
966
187
B - SAE-8
D - SAE-2
B - SAE-8
D - SAE-2
Revision A