Dana Model S135 Full-Floating Rear Drive Axle

Rear Drive Axle and Differential





Dana Model S135 Full-Floating Rear Drive Axle

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Identification Tags

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Gear Set Identification

^ The trademark shows the company logo, and identifies the location of the manufacturing facility.

^ CAUTION: Never mate a differential ring gear and pinion together that does not have the same matched set numbers. Always install a new matched set if discarding either the differential ring gear or the pinion.

A corresponding number marked on the differential ring gear and pinion identifies them as a matched set.
^ The manufacturer's date identifies the gear set's date of fabrication.
^ The tooth combination identifies the number of teeth on the pinion and the number of teeth on the differential ring gear. A tooth combination of 41-11, for example, would indicate that the pinion has 11 teeth and the ring gear has 41 teeth that results in a 3.73:1 ratio.

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Dana Model S135 Full-Floating Rear Axle. Disassembled View

NOTE: Unless noted, the procedures apply to both the conventional differential and the Truetrac differential, though most of the illustrations used in the procedures show the conventional differential.

The Model S135 rear axle features the following:
^ a hypoid design differential ring gear and pinion
^ a two-bearing overhung pinion mounting
^ full-floating axle shafts
^ a steel differential housing
^ a front mounted removable one-piece carrier housing
^ a conventional differential assembly or a Truetrac limited slip differential assembly