Caterpillar — Hub Removal - Standard Bearings
Repair & overhaul · Hub / spindle
From a Caterpillar owner's manual — check it applies to your exact model before use.
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Before you start
- Damage to wheel bearings can cause the wheel end to come off the axle.
Procedure
- Elevate and support the trailer unit per manufacturer's instructions.
- Remove the wheel.
- Remove the grease cap by carefully prying progressively around the flange.
- Remove the cotter pin from the spindle nut.
- Unscrew the spindle nut (counterclockwise) and remove the spindle washer.
- Remove the hub from the spindle, careful not to let the outer bearing cone fall out.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- For 7,200 lb. and 8,000 lb. axles a hub puller may be necessary
Source: Caterpillar owner's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.