INTRODUCTION
Torque Specification Tables
Workmaster™ 33
NA
Workmaster™ 37
NA
Standard Bolt Hardware & Hydraulic Connector Torques, Specifications and Information
This specification establishes general torque values to be used in bolted joints for metric and inch hardware. This
specification is assumed to apply unless another specification (standard or specified requirement) is indicated in the
repair manual.
NOTE: These Standards do not include electrical or hydraulic components, they are referred to in their specific charts
or tables.
INCH 'NON-FLANGED' HARDWARE AND LOCKNUTS {MINIMUM HARDWARE TIGHTENING TORQUES}
IN NEWTON-METERS (FOOT-POUNDS) FOR NORMAL ASSEMBLY APPLICATIONS
SAE GRADE 2
SAE GRADE 5
SAE GRADE 8
LOCKNUTS
Nominal
Size
Unplated
or Plated
Silver
Plated
w/ZnCr
Gold
Unplated
or Plated
Silver
Plated
w/ZnCr
Gold
Unplated
or Plated
Silver
Plated
w/ZnCr
Gold
Gr.B
w/Gr5 Bolt
Gr.C
w/Gr8 Bolt
1/4
6.2 (55)*
8.1 (72)*
9.7 (86)*
13 (112)*
14 (121)*
18 (157)*
8.5 (75)*
12.2 (109)*
5/16
13 (115)*
17 (149)*
20 (178)*
26 (229)*
28 (21)
37 (27)
17.5 (155)* 25 (220)*
3/8
23 (17)
30 (22)
35 (26)
46 (34)
50 (37)
65 (48)
31 (23)
44 (33)
7/16
37 (27)
47 (35)
57 (42)
73 (54)
80 (59)
104 (77)
50 (37)
71 (53)
1/2
57 (42)
73 (54)
87 (64)
113 (83)
123 (91)
159 (117)
76 (56)
108 (80)
9/16
81 (60)
104 (77)
125 (92)
163 (120)
176 (130)
229 (169)
111 (82)
156 (115)
5/8
112 (83)
145 (107)
174 (128)
224 (165)
244 (180)
316 (233)
153 (113)
215 (159)
3/4
198 (146)
256 (189)
306 (226)
397 (293)
432 (319)
560 (413)
271 (200)
383 (282)
7/8
193 (142)
248 (183)
495 (365)
641 (473)
698 (515)
904 (667)
437 (323)
617 (455)
1
289 (213)
373 (275)
742 (547)
960 (708)
1048 (773) 1356
(1000)
654 (483)
924 (681)
NOTE: Torque values shown with * are inch pounds.
NOTICE:
Values shown on these charts are minimum hardware tightening torques unless otherwise stated.
METRIC 'NON-FLANGED' HARDWARE AND LOCKNUTS {MINIMUM HARDWARE TIGHTENING TORQUES}
IN NEWTON-METERS (FOOT-POUNDS) FOR NORMAL ASSEMBLY APPLICATIONS
CLASS 5.8
CLASS 8.8
CLASS 10.9
LOCK-
NUTS
Nominal
Size
Unplated
Plated
w/ZnCr
Unplated
Plated
w/ZnCr
Unplated
Plated
w/ZnCr
Cl.8
w/Cl8.8 Bolt
M4
1.7 (15)*
2.2 (19)*
2.6 (23)*
3.4 (30)*
3.7 (33)*
4.8 (42)*
2.3 (20)*
M6
5.8 (51)*
7.6 (67)*
8.9 (79)*
12 (102)*
13 (115)*
17 (150)*
7.8 (69)*
M8
14 (124)*
18 (159)*
22 (195)*
28 (21)
31 (23)
40 (30)
19 (169)*
M10
28 (21)
36 (27)
43 (32)
56 (41)
61 (45)
79 (58)
38 (28)
M12
49 (36)
63 (46)
75 (55)
97 (72)
107 (79)
138 (102)
66 (49)
M16
121 (89)
158 (117)
186 (137)
240 (177)
266 (196)
344 (254)
164 (121)
M20
237 (175)
307 (226)
375 (277)
485 (358)
519 (383)
671 (495)
330 (243)
M24
411 (303)
531 (392)
648 (478)
839 (619)
897 (662)
1160 (855)
572 (422)
NOTE: Torque values shown with * are inch pounds.
47881877 13/01/2016
17
Summary of Contents for Workmaster 33 Tier 4B
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