2010 Kenworth T440/T470 Body Builder Manual

Section 7
Frame Modifications
TORQUE REQUIREMENTS
TABLE 7-1. Customary Grade 8 UNF or UNC.
Fastener
Torque
Size Nm Lb.-Ft
5/16 22–30 16–22
3/8 41–54 30–40
7/16 77–88 57–65
1/2 109–122 80–90
9/16 156–190 117-140
5/8 226–265 167–195
3/4 396–462 290–340
7/8 517–626 380–460
1 952–1129 800–830
1-1/8 1346–1591 990–1170
1-1/4 1877–2217 1380–1630
Torque values apply to fasteners with clean threads, lightly lubricated, with hardened steel washers, and nylon-insert nuts.
TABLE 7-2. U.S. Customary – Grade 8. Metric Class 10.9
Torque
Fastener Nm Lb-Ft
M6 9–15 7–11
M8 23–31 17–23
M10 33–43 26–32
M12 77–101 57–75
M14 136–164 99–121
M16 163–217 120–160
M20 352–460 260–340
7-7
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