Detroit Diesel MBE 4000 Service Manual page 45

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Torque Values for U.S. Customary Thread Fasteners with Dry (Unlubricated)* or Plain (Unplated) Threads†
Thread
Diameter-Pitch
1/4–20
1/4–28
5/16–18
5/16–24
3/8–16
3/8–24
7/16–14
7/16–20
1/2–13
1/2–20
9/16–12
9/16–18
5/8–11
5/8–18
3/4–10
3/4–16
7/8–9
7/8–14
1–8
1–12
1–14
* Threads may have residual oil, but will be dry to the touch.
† Use one of the previous tables if either the male or female threads (bolt and nut) are plated or lubricated. Coat all plated and
unplated fasteners with oil before installation.
Table 6 Torque Specifications Table Three
All information subject to change without notice.
6SE412 0403 Copyright © 2004 DETROIT DIESEL CORPORATION
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Regular Hex, Torque: lb·ft (N·m)
Grade 5 Bolt Grade 5 or B Nut
8 (11)
9 (12)
15 (20)
17 (23)
28 (38)
31 (42)
45 (61)
50 (68)
70 (95)
75 (102)
100 (136)
110 (149)
135 (183)
155 (210)
240 (325)
270 (366)
385 (522)
425 (576)
580 (786)
635 (861)
650 (881)
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MBE 4000 SERVICE MANUAL
Grade 8 or 8.2 Bolt Grade 8 or C Nut
10 (14)
12 (16)
22 (30)
25 (34)
40 (54)
45 (61)
65 (88)
70 (95)
95 (129)
70 (95)
140 (190)
155 (210)
190 (258)
215 (292)
340 (461)
380 (515)
540 (732)
600 (813)
820 (1112)
900 (1220)
915 (1241)
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