MacDon R85 Operator's Manual page 109

Table 7.2 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
22
3/8-16
7/16-14 35
1/2-13 54
9/16-12 77
5/8-11 107
3/4-10 192
306
7/8-9
1-8 459
Table 7.3 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
3/8-16 31
7/16-14 50
1/2-13 76
109
9/16-12
5/8-11 151
3/4-10 268
7/8-9 432
1-8 647
169457
MAINTENANCE AND SERVICING
Torque (N·m)
Max. Min. Max.
*80 8.1
*164 16.7
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
19 24
34 42
55 67
84 102
121 148
167 204
296 362
477 583
716 874
9
18.5
33
53
80
116
160
286
456
684
18.6
26
46
74
113
163
Figure 7.2
225
A - Nominal Size
C - SAE-5
400
644
966
101
B - SAE-8
D - SAE-2
Rev. F