Looking for reliable generator storage for a trailer? This guide highlights top options that secure, vent, and protect generators on trailers or RVs. Each pick targets a common buyer type—campers needing secure space on an A-frame, truck owners seeking weatherproof enclosures, or RV travelers requiring theft deterrence and easy access. The following selections balance durability, ventilation, and portability to fit various trailer setups.
| Product | Best For | Key Benefit | Notes |
|---|---|---|---|
| Stromberg Carlson CC-255 Trailer Tray | RV campers needing over-the-axle storage | A-frame mount with heavy-duty 300 lb capacity | Ideal for gear over soft ride area; universal fit |
| Lockable Generator Box (peastorm) | Outdoor generators on trailers or trucks | Lockable, ventilated, weather-resistant | Includes 12V cooling and exhaust vents |
| Stromberg Carlson Gen Secure II Box | Secure storage on compatible CC-255 trays | Anti-theft design with durable aluminum | Propane ventilation compatible |
| Srehloe Generator Storage Box | Broad trailer and truck use | Large capacity, weather-sealed, versatile mounting | Fits many scenarios beyond trailers |
| Nilight Bumper Mounted Carrier | RVs needing extra cargo behind bumper | High capacity with included hardware | Net included for securing luggage |
Stromberg Carlson CC-255 Trailer Tray
- Industry: A-frame mounted trailer tray that sits over the trailer’s soft riding area.
- Capacity: Heavy-duty tray supports up to 300 lbs for generators, coolers, bikes, and tools.
- Compatibility: Adjustable to fit nearly all A-frame trailers with a curved-leg design for a custom-like fit.
- Best for: RVers who want to maximize trailer storage without compromising ride comfort.
- Limitation: May require additional mounts or adapters for non-standard A-frames.
Lockable Generator Box (peastorm)
- Security: Lockable design with a hasp for a padlock, providing theft deterrence.
- Ventilation: Includes a 12V cooling fan and exhaust vents to prevent overheating.
- Build: Premium steel construction with weather-resistant coating.
- Best for: Outdoor setups where long-term weather exposure is expected and theft risk is a concern.
- Limitation: Lock not included; requires separate padlock purchase.
Stromberg Carlson Gen Secure II Box
- Security: Enhanced anti-theft design adds protection for stored gear during transport and storage.
- Compatibility: Designed for seamless installation on CC-255 trailer trays; ideal as a dedicated generator box.
- Construction: Rust-resistant aluminum with a durable diamond plate look.
- Best for: RV users needing a secure, integrated storage solution on an A-frame trailer tray.
- Limitation: Only as effective as the tray compatibility; requires CC-255 contact for fit.
Srehloe Generator Storage Box
- Capacity: Large 24″ x 16″ x 20″ box with strong storage capacity for generators and tools.
- Sealing: Tight isolation with anti-slip sealing strips to block rain and dust.
- Versatility: Suitable for truck compartments, RV bumpers, trailer platforms, and other external mounting zones.
- Best for: Trailering scenarios requiring durable, weatherproof storage and flexible mounting.
- Limitation: Heavy and dimensional; verify fit before mounting on smaller vehicles.
Nilight Bumper Mounted Cargo Carrier
- Capacity: Heavy-duty 350 lbs rated carrier behind the bumper, expanding RV storage.
- Design: 32″ x 26″ x 4″ basket works behind most RV bumpers; sturdy square tube steel construction.
- Includes: Hardware kit for bumper installation and a cargo net for securing items.
- Best for: RV travelers needing behind-vehicle cargo space while keeping weight distribution manageable.
- Limitation: Mounting behind the bumper can affect rear clearance in tight areas; check local rules.
Fsehyue Generator Toolbox
- Build: 24.4″ x 15.7″ x 19.7″ aluminum toolbox with waterproof sealing.
- Security: Heavy-duty enclosure helps deter theft and damage in storage and travel.
- Durability: Fully sealed with strong construction to resist weather and dust.
- Best for: RVs and trailers needing a robust all-weather toolbox for generators and tools.
- Limitation: Aluminum construction requires careful handling to avoid denting in rough environments.
Wpokke Generator Box
- Ventilation: Holes designed around the box to maintain air flow and prevent overheating.
- Construction: Heavy-duty metal shell with pre-assembled hinge and lockable top.
- Best for: Outdoor use where generator exposure requires airflow and weather protection.
- Limitation: Includes venting holes; ensure compatible with generator size and heat output.
GenArmor Generator Covers
- Waterproofing: 100% waterproof tarps designed for running generators outdoors.
- Durability: Heavy-duty tarpaulin with a sturdy frame to maintain stability in wind.
- Best for: Generators used in exposed areas where full weather protection is essential.
- Limitation: The cover is a protective shell; ensure adequate ventilation for engine operation.
Buying Guide
What matters most when choosing a generator cage or box for a trailer?
Assess mounting type first: A-frame trays, bumper-mounted racks, or standalone boxes. Consider capacity if you carry a generator along with tools or gear. For frequent travel, prioritize corrosion resistance, sealing, and ventilation to prevent overheating and moisture damage.
How to choose by trailer and vehicle type
- A-frame trailers: Look for an adjustable tray like the CC-255 that distributes weight over the trailer’s soft riding area.
- Bumper-mounted setups: Favor baskets with solid mounting hardware and high weight ratings, such as Nilight carriers.
- Outdoor exposure: Choose weatherproof boxes with proper ventilation to avoid heat buildup, like peastorm or Fsehyue options.
- Security: If theft is a concern, prioritize anti-theft designs or lockable enclosures such as Gen Secure II or peastorm’s lockable box.
Ventilation vs. containment
Enclosures should vent heat to prevent generator overheating while preventing water, dust, and debris ingress. Balanced designs with vents positioned to draw air through while keeping rain out are ideal.
Size and fit considerations
Measure generator dimensions and verify box or tray openings. Ensure that added components do not impede trailer operation, hitch clearance, or bumper access. If in doubt, choose a product with generous dimensions and adjustable mounting options.
Security and durability
Outdoor enclosures should resist rust, corrosion, and weathering. Look for powder-coated steel or aluminum with reinforced latches and corrosion-resistant finishes. Anti-theft features add extra protection for storage during stops and travel.
Installation tips
- Follow manufacturer mounting instructions and use proper hardware for your trailer type.
- Check load balance after installation and test securing mechanisms with a light load before full use.
- Regularly inspect seals, vents, and locks for wear and corrosion, especially after winter or salt exposure.
FAQ
- Q: Do these enclosures fit all generator models?
- A: Compatibility varies by dimensions and mounting style; check the product’s listed fit and measure your generator.
- Q: Is ventilation required for all enclosures?
- A: Yes, most designs include vents or fans to prevent overheating while maintaining weather protection.
- Q: Can I mount these on any trailer?
- A: Some are universal or adjustable for common trailer types, while others are designed for specific trays or bumper configurations.
- Q: Do these include locks?
- A: Some models include lockable features; others require separate padlocks or hardware.
- Q: How should I maintain these boxes?
- A: Regularly inspect seals, rust-prone areas, and hinges; clean exterior surfaces and lubricate hinges as needed.