Generac — Trailer Wheel Bearings Lubrication
Maintenance
From a Generac owner's manual covering: MDG150, MDG175, MDG250. Check it applies to your exact model before use.
Applies to: Generac MDG150, Generac MDG175, Generac MDG250
Before you start
- Use only high quality grease made specifically for lubrication of wheel bearings.
Procedure
- Remove the small rubber plug on the grease cap.
- Attach a standard grease gun fitting to the grease fitting.
- Pump grease until new grease is visible around the nozzle.
- Wipe excess grease from the hub and replace the 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 every 12 months or 12,000 miles (19,312 km)
Full service-parts list: Generac MDG150 →, Generac MDG175 →, Generac MDG250 →
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.