Media Search - SENR3130 - Torque Specifications for All Caterpillar Products Página 1 de 6
Shutdown
Previous Screen
Product: NO EQUIPMENT SELECTED
Model: NO EQUIPMENT SELECTED
Configuration: NO EQUIPMENT SELECTED
Torque Specifications
Torque Specifications for All Caterpillar Products
Media Number -SENR3130-10 Publication Date -01/07/2005 Date Updated -28/07/2005
i02357649
Metric (ISO) Fasteners
SMCS - 7553
Metric (ISO) Nuts and Bolts
Illustration 1 g00909614
Note: The following table has the recommended standard torque values for metric nuts and bolts for
use on all Caterpillar equipment and Mitsubishi engines.
Table 1
Thread Size
Torque
mm
M6 12 ± 3 N·m (9 ± 2 lb ft)
M8
28 ± 7 N·m (21 ± 5 lb ft)
M10
55 ± 10 N·m (41 ± 7 lb ft)
https://sis.cat.com/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/s... 08/06/2006
Media Search - SENR3130 - Torque Specifications for All Caterpillar Products Página 2 de 6
M12 100 ± 20 N·m (75 ± 15 lb ft)
M14
160 ± 30 N·m (120 ± 22 lb ft)
M16
240 ± 40 N·m (175 ± 30 lb ft)
M20
460 ± 60 N·m (340 ± 44 lb ft)
M24
800 ± 100 N·m (590 ± 75 lb ft)
M30
1600 ± 200 N·m (1180 ± 150 lb ft)
M36
2700 ± 300 N·m (2000 ± 220 lb ft)
Note: The following table has the recommended standard torque values for metric nuts and bolts for
use on Perkins engines.
Table 2
Thread Size
Torque
mm
M6
5 N·m (44 lb in)
M8
22 N·m (16 lb ft)
M10
44 N·m (32 lb ft)
M12
78 N·m (60 lb ft)
M14
124 N·m (90 lb ft)
M16
177 N·m (130 lb ft)
M18
200 N·m (150 lb ft)
M20
400 N·m (300 lb ft)
M24
790 N·m (580 lb ft)
https://sis.cat.com/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/s... 08/06/2006
Media Search - SENR3130 - Torque Specifications for All Caterpillar Products Página 3 de 6
Note: The difference between Caterpillar standard torque values and Perkins standard torque values
are due to different classes of fasteners. Caterpillar uses class 10.9 fasteners. Perkins uses class 8.8
fasteners. The different class of fasteners have different tensile strengths.
Metric (ISO) Taperlock Studs
Note: The following table has the recommended standard torque values for metric taperlock studs
for use on all Caterpillar equipment and Mitsubishi engines.
Table 3
Thread Size
Torque
mm
M6
8 ± 3 N·m (71 ± 27 lb in)
M8
17 ± 5 N·m (13 ± 4 lb ft)
M10
35 ± 5 N·m (26 ± 4 lb ft)
M12
65 ± 10 N·m (48 ± 7 lb ft)
M16
110 ± 20 N·m (80 ± 15 lb ft)
M20
170 ± 30 N·m (125 ± 22 lb ft)
M24
400 ± 60 N·m (300 ± 44 lb ft)
M30
750 ± 80 N·m (550 ± 60 lb ft)
M36
1200 ± 150 N·m (880 ± 110 lb ft)
Note: The following table has the recommended standard torque values for Metric taperlock studs
for use on Perkins engines.
Table 4
Thread Size
Torque
mm
M6
5 N·m (44 lb in)
https://sis.cat.com/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/s... 08/06/2006
Media Search - SENR3130 - Torque Specifications for All Caterpillar Products Página 4 de 6
M8
11 N·m (97 lb in)
M10
18 N·m (13 lb ft)
M12
25 N·m (18 lb ft)
Metric (ISO) Machine Screws
Illustration 2 g00908932
Table 5
Thread Size
Torque
mm
M1.6
0.10 ± 0.01 N·m (0.9 ± 0.1 lb in)
M2
0.15 ± 0.01 N·m (1.3 ± 0.1 lb in)
M2.5
0.35 ± 0.05 N·m (3.1 ± 0.4 lb in)
M3
0.50 ± 0.05 N·m (4.4 ± 0.4 lb in)
M4
1.70 ± 0.25 N·m (15.0 ± 2.2 lb in)
M5
2.25 ± 0.25 N·m (19.9 ± 2.2 lb in)
Hex Button Head Screw and Set Screws
https://sis.cat.com/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/s... 08/06/2006
Media Search - SENR3130 - Torque Specifications for All Caterpillar Products Página 5 de 6
Illustration 3 g01186742
Table 6
Thread Size
Torque
mm
M3
.6 ± .1 N·m (5 ± 0.9 lb in)
M4
2 ± .3 N·m (18 ± 3 lb in)
M5
4 ± .5 N·m (35 ± 4 lb in)
M6
6 ± 1 N·m (55 ± 9 lb in)
M8
15 ± 3 N·m (11 ± 2 lb ft)
M10
30 ± 7 N·m (22 ± 5 lb ft)
M12
50 ± 10 N·m (37 ± 7 lb ft)
M14
80 ± 15 N·m (60 ± 11 lb ft)
M16
125 ± 20 N·m (90 ± 15 lb ft)
M20
250 ± 40 N·m (185 ± 30 lb ft)
M24
425 ± 50 N·m (310 ± 37 lb ft)
M30
850 ± 100 N·m (620 ± 75 lb ft)
https://sis.cat.com/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/s... 08/06/2006
Media Search - SENR3130 - Torque Specifications for All Caterpillar Products Página 6 de 6
M36
1500 ± 200 N·m (1100 ± 150 lb ft)
Copyright 1993 - 2006 Caterpillar Inc. Thu Jun 8 14:50:16 EST 2006
All Rights Reserved.
Private Network For SIS Licensees.
https://sis.cat.com/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/s... 08/06/2006
