Great Plains 4000TM Assembly Manual - Manual (Page 42)

586-536E Table of Contents Index 04/12/2013
38 1800-3000TM Table of Contents Index Great Plains Manufacturing, Inc.
Appendix - Reference Information
Torque Values Chart
Gang Bolt Torque 1 3/4”-5 850 Foot-pounds (165 lbs on 5’ cheater).
Rolling Harrow Spike Bolt 1 1/2”-6 650-750 Foot-pounds (175 lbs on 4’ cheater).
Wheel Bolt Torque Values 1/2”-20 (75-85 ft-lbs) 9/16”-18 (80-90 ft-lbs) 5/8”-18 (85-100 ft-lbs).
9 4 6
25199m
Bolt
Size
Bolt Head Identification
Bolt
Size
Bolt Head Identification
Grade 2 Grade 5 Grade 8 Class 5.8 Class 8.8 Class 10.9
in-tpi a N-m b N-m N-m mm x pitch c N-m N-m N-m
1 ⁄
4
-20 7.4 11 16 M 5 X 0.8
1 ⁄
4
-28 8.5 13 18 M 6 X 1 7 11 15
5 ⁄
16
-18 15 24 33 M 8 X 1.25 17 26 36
5 ⁄
16
-24 17 26 37 M 8 X 1 18 28 39
3 ⁄
8
-16 27 42 59 M10 X 1.5 33 52 72
3 ⁄
8
-24 31 47 67 M10 X 0.75 39 61 85
7 ⁄
16
-14 43 67 95 M12 X 1.75 58 91 125
7 ⁄
16
-20 49 75 105 M12 X 1.5 60 95 130
1 ⁄
2
-13 66 105 145 M12 X 1 90 105 145
1 ⁄
2
-20 75 115 165 M14 X 2 92 145 200
9 ⁄
16
-12 95 150 210 M14 X 1.5 99 155 215
9 ⁄
16
-18 105 165 235 M16 X 2 145 225 315
5 ⁄
8
-11 130 205 285 M16 X 1.5 155 240 335
5 ⁄
8
-18 150 230 325 M18 X 2.5 195 310 405
3 ⁄
4
-10 235 360 510 M18 X 1.5 220 350 485
3 ⁄
4
-16 260 405 570 M20 X 2.5 280 440 610
7 ⁄
8
-9 225 585 820 M20 X 1.5 310 650 900
7 ⁄
8
-14 250 640 905 M24 X 3 480 760 1050
1-8 340 875 1230 M24 X 2 525 830 1150
1-12 370 955 1350 M30 X 3.5 960 1510 2100
1 1 ⁄
8
-7 480 1080 1750 M30 X 2 1060 1680 2320
1 1 ⁄
8
-12 540 1210 1960 M36 X 3.5 1730 2650 3660
1 1 ⁄
4
-7 680 1520 2460 M36 X 2 1880 2960 4100
1 1 ⁄
4
-12 750 1680 2730
1
3 ⁄
8
-6 890 1990 3230 a. in-tpi = nominal thread diameter in inches-threads per inch
1 3 ⁄
8
-12 1010 2270 3680 b. N· m = newton-meters
1 1 ⁄
2
-6 1180 2640 4290
1 1 ⁄
2
-12 1330 2970 4820
c. mm x pitch = nominal thread diameter in mm x thread pitch
Torque tolerance + 0%, -15% of torquing values. Unless otherwise specified use torque values listed above.
5.8 8.8 10.9
25199
ft-lb d ft-lb ft-lb ft-lb ft-lb ft-lb
5.6 8 12
6 10 14 5 8 11
11 17 25 12 19 27
13 19 27 13 21 29
20 31 44 24 39 53
22 35 49 29 45 62
32 49 70 42 67 93
36 55 78 44 70 97
49 76 105 66 77 105
55 85 120 68 105 150
70 110 155 73 115 160
79 120 170 105 165 230
97 150 210 115 180 245
110 170 240 145 230 300
170 265 375 165 260 355
190 295 420 205 325 450
165 430 605 230 480 665
185 475 670 355 560 780
250 645 910 390 610 845
275 705 995 705 1120 1550
355 795 1290 785 1240 1710
395 890 1440 1270 1950 2700
500 1120 1820 1380 2190 3220
555 1240 2010
655 1470 2380
745 1670 2710
870 1950 3160
d. ft-lb = foot pounds
980 2190 3560
3 5 7