21
XL-MS196 Rev E · 2019-04-30 · Amendments and Errors Reserved · © SAF-HOLLAND, Inc., SAF-HOLLAND, HOLLAND, SAF,
and logos are trademarks of SAF-HOLLAND S.A., SAF-HOLLAND GmbH, and SAF-HOLLAND, Inc.
Torque Specifications
13. Torque Specifications
NOTE:
Torque specifications listed above are with clean
lubricated / coated threads
(Table 1)
. All new
SAF-HOLLAND fasteners come pre-coated from the
factory. For bolt and lock nut grade markings refer
to
(Figure 21)
.
IMPORTANT:
The use of special lubricants with friction
modifiers, such as Anti-Seize or Never-Seez
®
,
without written approval from SAF-HOLLAND
Engineering, will void warranty and could
lead to over torquing of fasteners or other
component issues.
General Information
1. The torque specifications are applied to the nut and NOT
the bolt.
Failure to use the proper fasteners when
servicing the suspension could cause
component failure which, if not avoided,
could result in death or serious injury.
Failure to properly torque all fasteners
could result in component failure which,
if not avoided, could result in death or
serious injury.
All Torque specifications are ± 5%.
Torques specified are for clean, lubricated threads.
Always apply torque to nut if possible.
Required re-torquing at every brake re-lining.
COMPONENT
TORQUE VALUE
FASTENER SIZE
Axle Connection
480 ft.-lbs. (650 N•m)
1" U-Bolt
Axle Connection
190 ft.-lbs. (255 N•m)
5" SQ. 5/8"
Axle Connection
190 ft.-lbs. (255 N•m)
5" RND. 5/8"
Axle Connection
190 ft.-lbs. (255 N•m)
5-3/4" RND. 5/8"
Axle Connection
460 ft.-lbs. (620 N•m)
7/8"
Trunnion Connection
650 ft.-lbs. (880 N•m)
1-1/8"
Trunnion Connection
1400 ft.-lbs. (1900 N•m)
1-1/2"
Trunnion Clamp
190 ft.-lbs. (255 N•m)
3/4"
Spring End Clamp
290 ft.-lbs. (395 N•m)
3/4"
Radius Rod
170 ft.-lbs. (230 N•m)
5/8"
Table 1
Figure 21
GRADE 1 OR 2
BOLT GRADE MARKINGS
LOCK NUT GRADE MARKINGS
3 DOTS
LOCK NUT
GRADE B
LOCK NUT
GRADE C
GRADE 5
GRADE 8
6 DOTS