Generac 6811 5KW-8KW Portable Storage Cover - Weather Protection

In this review of the Generac 6811 5KW-8KW portable storage cover, the bottom line is simple: this cover is for owners of mid-sized portable generators who want straightforward, reliable protection during storage and transport. The reviewer found the cover most valuable for keeping a generator free of dust, rain, and sun damage while not in use, and appreciated the practical design touches that make regular use painless. It is not a fancy accessory, but it performs the one job it sets out to do with minimal fuss.

Key Features

• Weather and UV Protection: Shields the generator from rain, sun, dirt and dust so the unit stays cleaner and is less exposed to UV-related wear.
• Adjustable Opening: The adjustable opening accommodates units with handles and lets you access controls without wrestling the cover off.
• Secure Fit: Built-in elastic shock cord keeps the cover snug during transport and in windy conditions so it does not blow off easily.
• Generous Compatibility: Fits most 5,000 to 8,000-watt portable generators up to 32.5L x 24.5W x 21.25H in size, covering a range of common models.
• Durable Construction: Designed for repeated use so it withstands the handling and storage cycles typical for portable generator owners.

Who It's For

The cover is best for homeowners, contractors, and RV owners who store or move a mid-sized portable generator and want a low-effort way to keep it protected from weather and dust. If a generator spends extended time outdoors or in a trailer, the cover helps preserve finish and components by cutting exposure to sun and debris.

People seeking heavy-duty, lockable storage or a hard-shell case should look elsewhere; this is a soft fabric cover meant for protection against weather and dirt rather than theft prevention or long-term outdoor exposure without periodic checks.

Pros & Cons

Pros

• Good fit for 5kW to 8kW units, with many customers reporting a perfect fit on 8kW models.
• Effective protection against sun and rain, helping prevent dirt and debris buildup.
• Easy to use: put on and remove quickly, with a Velcro-style opening noted as convenient.
• Perceived as good value for money given the materials and design.

Cons

• Soft cover offers limited security and is not a substitute for locked storage or a hard case.
• Not intended as a permanent outdoor shelter; periodic checking is advisable in prolonged exposure.

Specifications

Brand	Generac
Fits Generator Size	Most 5kW to 8kW portable generators
Maximum Dimensions	32.5L x 24.5W x 21.25H in
Primary Protection	Weather, UV, dirt and dust
Closure / Fit	Adjustable opening with elastic shock cord and Velcro access
Color	Black

Our Verdict

The Generac 6811 cover is a pragmatic choice for anyone with a 5kW to 8kW portable generator who wants reliable weather and UV protection without spending on a hard case. It fits well, is easy to use, and delivers sensible protection and value for routine storage and transport. Choose it if you need simple, effective coverage rather than theft deterrence or permanent outdoor shelter.

Frequently Asked Questions

Will this cover fit my 8kW generator?
Yes; the cover is designed to fit most 5kW to 8kW portable generators up to 32.5L x 24.5W x 21.25H in size, and many owners report a good fit on 8kW models.

Can I leave the generator covered outside long term?
The cover protects against weather and UV, but it is a soft cover; periodic inspections are recommended if the unit remains outdoors for extended periods.

Is the cover easy to put on and remove?
Customers note it is straightforward to use, with an adjustable opening and Velcro-style access that make handling easier.