Generac — Lubricate Trailer Wheel Bearings
Maintenance · Trailer axle/wheel bearings
From a Generac owner's manual — check it applies to your exact model before use.
Applies to: Generac MLT, Mitsubishi L2E engine
Parts for this job
- 30A4000103 Oil filter Amazon eBay $17.00 FridayParts $13.99
Part numbers from the service-parts list for Generac MLT. Verify against your serial number before ordering; some links are affiliate links.
Procedure
- Remove small rubber plug from metal end cap.
- Attach standard grease gun fitting to Zerk grease fitting.
- Pump grease into Zerk fitting until fresh grease is visible around nozzle.
- Wipe excess grease from axle hub and replace rubber plug.
Tools required
- Grease gun Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Minimum lubrication every 12 months or 12,000 miles (19,312 km)
- Check for bearing play every 6 months
Full service-parts list: Generac MLT →
Source: Generac 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.