777D Truck 3508B Engine AGC00001-UP (MACHINE)(SEBP3016 - 101) - Docume...

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Product: TRUCK
Model: 777D TRUCK AGC
Configuration: 777D Truck 3508B Engine AGC00001-UP (MACHINE)

Torque Specifications
Torque Specifications
Media Number -SENR3130-13 Publication Date -01/01/2012 Date Updated -24/01/2012

i03508884

Metric (ISO) Fasteners

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 (105 ± 27 lb in)

M8
28 ± 7 N·m (250 ± 62 lb in)

M10
55 ± 10 N·m (41 ± 7 lb ft)

M12
100 ± 20 N·m (75 ± 15 lb ft)

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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
2800 ± 350 N·m (2060 ± 260 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 (195 lb in)

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)

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.

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Metric (ISO) Taperlock Studs

Table 3
Thread Size
Torque
mm

M6
8 ± 3 N·m (71 ± 27 lb in)

M8
17 ± 5 N·m (150 ± 44 lb in)

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)

M8
11 N·m (97 lb in)

M10
18 N·m (160 lb in)

M12
25 N·m (220 lb in)

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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

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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 ± 2 N·m (135 ± 18 lb in)

M10
30 ± 7 N·m (265 ± 62 lb in)

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)

M36
1500 ± 200 N·m (1100 ± 150 lb ft)

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