Generac — Trailer Wheel Bearing Lubrication
Maintenance · Trailer wheel bearings
From a Generac owner's manual covering: MMG130, MMG175, MMG205. Check it applies to your exact model before use.
Applies to: Generac MMG130, Generac MMG175, Generac MMG205
Before you start
- Use only a high quality grease made specifically for lubrication of wheel bearings.
Parts for this job
Part numbers from the service-parts list for Generac MMG175. Verify against your serial number before ordering; some links are affiliate links.
Procedure
- Remove the small rubber plug on the grease cap.
- Attach a standard grease gun fitting to the grease fitting.
- Pump grease into the fitting until new grease is visible around the nozzle.
- Wipe any excess grease from the hub with a clean cloth.
- Replace the rubber plug when finished.
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 recommended lubrication every 12 months or 12,000 miles (19,312 km)
Full service-parts list: Generac MMG175 →
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.