8 Secure Generator Mounts for Locking Down Trailer Tongues

Keeping a generator secure, accessible, and out of the way is one of the toughest packaging puzzles in mobile living. While tossing a heavy unit into the tow vehicle or trailer interior works for a weekend, it quickly becomes a back-breaking, smelly chore on extended off-grid trips. Utilizing the unused dead space directly over the trailer tongue solves these storage headaches while keeping your power source locked down and ready to run.

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Why Trailer Tongue Mounting is Best for Your Generator

Storing a generator inside an RV or tow vehicle is a recipe for lingering gasoline fumes, oil spills, and ruined upholstery. Placing the unit on the trailer tongue keeps these toxic hazards entirely outside your living space. This location also ensures that the heavy engine block is permanently accessible, eliminating the need to lift a 100-pound machine every time camp is set up.

From a towing dynamics perspective, the tongue is the most stable place to add dead weight. Unlike rear bumper mounts, which can create a dangerous pendulum effect and induce trailer sway, tongue mounting keeps the center of gravity close to the tow vehicle’s hitch point. This distribution helps maintain proper tongue weight percentage, resulting in a smoother, safer highway ride.

Furthermore, securing a generator on the tongue makes it much easier to integrate into your existing electrical setup. It positions the power source close to the trailer’s main distribution panel and battery bank, minimizing voltage drop from long cable runs. This proximity simplifies direct wiring and keeps shore power cords tidy.

Tongue Cargo Tray – Stromberg Carlson CC-255 Trailer Tray

A tongue-mounted cargo tray acts as an elevated mezzanine over your propane tanks, preserving precious A-frame real estate. This allows you to stack heavy gear vertically without sacrificing space for your dual batteries or LP cylinders. It is a vital upgrade for small travel trailers where storage space is at an absolute premium.

The Stromberg Carlson CC-255 is the industry standard for this style of elevated platform. Constructed from heavy-duty steel with a durable black powder-coat finish, it supports up to 300 pounds of cargo. Its clever, adjustable design allows you to clear standard 20-pound or 30-pound propane tanks with ease, making it highly versatile across different trailer heights.

• Material: Heavy-duty steel
• Weight Capacity: 300 lbs
• Application: Over-LP tank mounting
• Finish: Black powder coat

Keep in mind that assembly is required, and adjusting the height takes some patience during the initial setup. The bracket mount system requires a solid, exposed A-frame frame section to clamp onto, so fiberglass-molded or enclosed tongues may require modification. It is also critical to check that the top tray does not interfere with the turning radius of your tow vehicle.

This tray is ideal for owners of standard travel trailers who run medium-sized inverter generators and want to keep their LP tanks accessible. It is not suitable for ultra-light teardrop trailers with short tongues or vehicles with highly contoured front caps that restrict clearance.

Tongue Platform – Quick Products QP-TTGP Cargo Platform

A direct-mount tongue platform provides a low-profile foundation directly on top of the A-frame, skipping the tall, elevated legs of larger trays. This lowers the generator’s center of gravity and reduces wind resistance while towing. It is a solid choice when vertical clearance or tow vehicle rear door clearance is a concern.

The Quick Products QP-TTGP Cargo Platform provides a rugged, bare-bones surface area measuring 30 inches by 15 inches. It is built from heavy-gauge steel and bolts directly over the A-frame, offering a stable 150-pound weight capacity. Its compact footprint is intentionally scaled to fit smaller inverter generators like the Honda EU2200i or Westinghouse iGen2500.

• Material: Heavy-gauge steel
• Weight Capacity: 150 lbs
• Dimensions: 30″ x 15″
• Mounting: Bolt-on U-bolts included

Because this platform sits low to the frame, you will need to plan your propane bottle placement carefully. It often requires relocating your LP tanks further back or using a single tank setup if your trailer tongue is short. Installation is straightforward with the included U-bolts, though drilling may be required on non-standard A-frames.

This platform is perfect for minimalist campers, teardrop owners, and those running compact, lightweight inverter generators. It is not recommended for those who need to carry large 4000-watt open-frame generators or those unwilling to rearrange their existing tongue-mounted propane systems.

A-Frame Carrier – Ultra-Fab Micro-Lite Cargo Carrier

An A-frame carrier bridges the gap between lightweight platforms and heavy-duty steel trays, designed specifically to minimize added tongue weight. For smaller trailers, saving even ten pounds of dry bracket weight can prevent overloading the tow vehicle’s hitch capacity. This category focuses on high strength-to-weight ratios.

The Ultra-Fab Micro-Lite Cargo Carrier delivers on this front by utilizing a smart, weight-optimized steel design that holds up to 120 pounds of cargo. It sits securely over your propane tanks, attaching directly to the A-frame without requiring extensive frame modifications. The textured, slotted tray platform makes it incredibly easy to run heavy-duty ratchet straps or locking cables through the base.

• Material: Weight-optimized steel
• Weight Capacity: 120 lbs
• Best for: Small travel trailers, pop-ups
• Design: Slotted platform for easy strapping

Note that the weight capacity is lower than some heavy-duty steel trays, meaning it cannot handle massive, heavy-duty industrial generators. The platform dimensions are best suited for compact, whisper-quiet inverter models. Ensure your jack stands and propane tanks are configured standardly before mounting, as off-center layouts can complicate installation.

This carrier is the prime choice for owners of small travel trailers, pop-up campers, and micro-rigs seeking to balance their tongue load precisely. It is not the right fit for heavy commercial generators or trailers with oversized dual-propane setups.

Tongue Cargo Tray – Extreme Max 5001.5178 A-Frame Tray

Heavy-duty cargo trays are built to withstand the violent vibrations and vertical bouncing experienced at the very front of a trailer. Without robust structural engineering, metal fatigue can cause cheap mounts to crack over miles of washboard dirt roads. This category ensures your expensive generator does not end up bouncing down the highway.

The Extreme Max 5001.5178 A-Frame Tray stands out for its exceptionally rigid, heavy-duty steel construction and clean, industrial-grade weld points. It features a universal design that sits comfortably over your propane bottles, providing a generous 30-inch by 15-inch top platform. The tray easily supports up to 150 pounds, keeping your generator elevated and safe from road debris.

• Material: Heavy-duty welded steel
• Weight Capacity: 150 lbs
• Dimensions: 30″ x 15″
• Design: High-clearance leg brackets

The high-clearance leg brackets require careful alignment during setup to ensure your tow vehicle can make tight jackknife turns without striking the tray. Additionally, the powder-coat finish should be inspected periodically for rock chips to prevent rust in high-moisture climates. Using rubber isolation pads under your generator is highly recommended to minimize metal-on-metal vibration.

This tray is designed for rough-road travelers and boondockers who frequent washboard washouts and need a mount that won’t flex or crack under stress. It is not suited for ultra-light tow vehicles with strict, low tongue-weight limits.

Locking Generator Tray – Torklift Lock and Load Cargo Tray

Standard trays require you to bring your own chains, locks, and cables, which can often be bypassed by a determined thief with bolt cutters. A dedicated locking generator tray integrates structural security directly into the mounting system itself. This eliminates the vulnerability of loose padlocks and provides a neat, unified locking solution.

The Torklift Lock and Load Cargo Tray is a premium, high-security vault specifically engineered to protect high-value generators like the Yamaha EF2400iS or Honda EU2000i. Built from heavy-gauge, high-quality steel, it features an adjustable security strap that locks down tight over the top of the generator handle. The integrated, heavy-duty lock is virtually impossible to cut with standard hand tools, offering true peace of mind.

• Material: Heavy-gauge steel
• Feature: Integrated security strap with lock
• Compatibility: Yamaha EF2400iS, Honda EU2000i/EU2200i
• Mounting: Requires a 2-inch receiver adapter

This level of security comes with a premium price tag and a beefy overall footprint that adds notable dry weight to your tongue. It requires a 2-inch receiver mount, meaning you will need a tongue-mounted receiver adapter to use it on an A-frame. Ensure you verify the exact physical dimensions of your generator, as this tray is designed for precise, snug tolerances.

This is the ultimate choice for owners of expensive Honda or Yamaha inverter generators who regularly camp in crowded areas or leave their rigs unattended. It is not practical for budget-conscious campers running cheap, disposable open-frame generators.

Generator Lock Box – LowPro Lockers Aluminum Security Box

A dedicated lock box offers maximum protection against both theft and harsh weather conditions, keeping your generator shielded from wind, rain, and road salt. It acts as an impenetrable physical barrier that completely hides your expensive equipment from prying eyes. This prevents opportunistic thieves from even knowing what kind of gear you are carrying.

The LowPro Lockers Aluminum Security Box is the gold standard for enclosed security, constructed from heavy-duty aircraft-grade aluminum. It is incredibly tough yet lightweight, saving vital tongue weight compared to steel enclosures. The box features engineered ventilation louvers that allow you to run the generator directly inside the locked enclosure without overheating.

• Material: Aircraft-grade aluminum
• Feature: Ventilated louvers, integrated lock
• Weight: Lightweight, high-strength
• Security: Full enclosure protection

While highly secure, running a generator inside an enclosed space requires careful monitoring of exhaust gas routing to prevent soot buildup or heat damage. It is crucial to ensure the door seals remain clean and intact to prevent water intrusion during heavy highway downpours. The initial investment is high, but it replaces the need for separate weather covers and locks.

This security box is perfect for full-time off-grid travelers and boondockers who leave their rigs parked in remote areas for extended periods. It is not suitable for casual weekenders on a tight budget or those with very limited tongue space.

Trailer Tongue Box – Dee Zee DZ91717 Specialty Series Box

A poly tongue box offers a weather-resistant, non-corrosive storage solution that can handle both a generator and its supporting gear, like fuel cans and power cords. Unlike metal boxes, thick plastic construction won’t dent, rust, or rattle excessively on the road. It provides a clean, integrated look on the front of any trailer.

The Dee Zee DZ91717 Specialty Series Box is molded from durable, high-density polyethylene that resists UV damage and cold-weather cracking. It features a tapered design that mirrors the angles of your trailer’s A-frame, optimizing every inch of tongue space. The secure, locking lid keeps out moisture and dirt, while the double-wall lid design adds structural stiffness.

• Material: High-density polyethylene
• Feature: Tapered design, double-wall lid
• Best for: Budget multi-purpose storage
• Durability: Non-corrosive, UV-resistant

Because this box is sealed, you must drill ventilation holes and install active cooling fans if you intend to run your generator inside it. The poly material is easy to modify, but failing to vent it properly will destroy your generator’s engine within minutes of operation. Also, note that while highly secure against casual theft, plastic can eventually be breached by aggressive power tools.

This box is a fantastic choice for budget-minded DIYers who want a multi-purpose, rust-proof storage container to house a generator and towing accessories. It is not ideal for those who want a ready-to-use plug-and-play running enclosure without doing any custom modification.

Steel Tongue Box – Buyers Products 1701680 Trailer Box

For industrial-grade defense, a heavy-duty steel tongue box is unmatched in its sheer resistance to physical attacks. It provides a rigid, structural vault that cannot be melted, warped, or easily pried open. This category of box is designed for extreme duty in harsh environments.

The Buyers Products 1701680 Trailer Box is crafted from 14-gauge steel with a tough, textured black powder-coat finish. It features a recessed, tamper-resistant lock system and a continuous hidden hinge that prevents thieves from driving out the hinge pins. The weather-resistant gasket seals tight against the elements, keeping your generator bone dry during highway transport.

• Material: 14-gauge steel
• Feature: Recessed lock, continuous hidden hinge
• Weight: ~60 lbs (empty)
• Finish: Textured black powder coat

This level of security carries a major trade-off: weight. At nearly 60 pounds empty, this box will significantly increase your trailer’s dry tongue weight before you even load the generator inside. Like the poly box, running a generator inside requires custom fabrication for exhaust routing, fresh air intake, and power cord pass-throughs.

This steel box is built for those who prioritize maximum security above all else and have a heavy-duty tow vehicle capable of handling increased tongue weights. It is not suited for light-duty crossovers, small SUVs, or ultra-light utility trailers.

Key Weight and Clearance Factors for Tongue Racks

Adding heavy gear to your A-frame directly impacts your tow vehicle’s hitch load, making it critical to monitor your limits. As a general rule, tongue weight should represent 10% to 15% of your total loaded trailer weight. Exceeding this limit can compress your tow vehicle’s rear suspension, causing dangerous headlight aim, poor steering response, and premature brake wear.

Clearance is the next crucial factor, particularly when backing up or making tight turns. An elevated generator rack must clear the rear bumper and tailgate of your tow vehicle, even when negotiating steep driveway transitions. Always measure the distance from your trailer coupler to the front wall of your trailer to ensure there is adequate physical clearance for the rack and your vehicle’s bumper.

Additionally, you must consider access to your existing tongue components. An improperly positioned rack can block your manual tongue jack handle or prevent you from removing your propane cylinder covers. Choose a mount that allows you to swap or refill propane tanks without requiring complete disassembly of the generator frame.

How to Properly Secure Your Generator Against Theft

Simply bolting a tray to your A-frame is not enough; professional thieves can easily unbolt the entire tray if the mounting hardware is accessible. To prevent this, use tamper-resistant security bolts or weld the mounting brackets directly to the trailer frame. If welding isn’t an option, deform the exposed threads of the mounting bolts with a chisel or use locking nuts that require a proprietary key.

When choosing chains or cables, opt for through-hardened steel alloys containing boron or manganese, which resist cutting from standard bolt cutters. Look for chains with a minimum link diameter of 10mm (3/8 inch) and pair them with high-security disc locks or padlocks with shrouded shackles. Shrouded shackles leave almost no exposed metal for a thief to grip with a saw or angle grinder.

For those seeking high-tech deterrence, motion-activated alarm locks or GPS tracking tags hidden inside the generator’s engine casing offer an extra layer of defense. A simple vibration-sensitive alarm can scare off a thief before they make progress through your heavy-duty locks. Ultimately, layering multiple security methods is the best way to encourage a thief to move on to an easier target.

Safety Tips for Wiring and Running Your Tongue Generator

Running a generator while it remains mounted on your trailer tongue requires careful attention to exhaust routing. Never run the engine with the exhaust pipe pointing directly at your trailer’s front wall, windows, or plastic propane bottle covers. The intense heat can warp fiberglass, melt seals, and pose a severe fire hazard, while toxic carbon monoxide can easily seep into your living space.

To avoid these risks, always route the exhaust outlet outward, away from the trailer body, or install an exhaust extension tube to direct fumes safely downwind. Additionally, ensure that your wiring is fully protected from road debris and weather. Use UV-resistant, outdoor-rated flexible conduit for all electrical lines running from the generator to your trailer’s inlet box.

Finally, structural vibration must not be ignored. A running engine produces continuous micro-vibrations that can travel through the A-frame and rattle your trailer’s interior, loosening plumbing fixtures and cabinet screws over time. Always mount your generator on thick, heavy-duty rubber isolation pads to absorb these vibrations and keep your cabin peaceful.

Securing your generator to your trailer tongue is one of the smartest upgrades you can make for comfortable, off-grid travel. By choosing the right tray or box and implementing proper security measures, you will protect your investment while keeping your mobile setup organized and ready for the next adventure.

Frequently Asked Questions (FAQs)

What is a trailer tongue generator mount?

A trailer tongue generator mount is a reinforced steel or aluminum bracket that bolts or welds directly over an A-frame trailer tongue to hold a power generator. These platforms sit in the empty space between the tow vehicle hitch and the front trailer wall, often positioning the generator directly above the LP gas tanks. Most brackets handle generator weights between 50 and 150 pounds while keeping the equipment elevated away from road debris.

What does an over-the-propane-tank generator mount do?

An over-the-propane-tank generator mount straddles standard LP gas cylinders to provide a flat cargo shelf on trailer tongues with limited frame space. High-clearance steel legs bolt directly onto the trailer frame rails and arch over standard 20-pound or 30-pound propane bottles. This elevated design allows full access to cylinder valves and regulator controls without removing the tray. For example, Stromberg Carlson manufactures popular elevated brackets that support up to 300 pounds of combined equipment.

How do I install a generator mount on an A-frame trailer tongue?

Installing a generator mount on an A-frame trailer tongue requires positioning the mounting brackets onto the frame rails and securing them using heavy-duty U-bolts. Start by checking clearance around your battery boxes, jack post, and propane tanks. Next, set the tray over the frame, align the grade-8 hardware, and tighten the lock nuts using a torque wrench. Always verify that your tow vehicle can still complete tight turns without the generator contacting your vehicle bumper.

How do you lock down a generator on a trailer tongue securely?

Locking down a generator on a trailer tongue involves bolting the machine’s feet to the tray and layering hardened security chains with high-grade padlocks. Run a 10mm to 12mm case-hardened boron steel security chain through the generator structural frame and around the trailer tongue itself. Pair that chain with a shrouded disc padlock or puck lock that resists bolt cutters. For added protection, install a fitted steel locking lid over the unit during storage.

Is a bolt-on or welded generator mount better for a travel trailer tongue?

Bolt-on generator mounts are better for most travel trailer owners because they install with basic hand tools and do not void trailer chassis warranties. Welded mounts create a permanent bond that eliminates hardware loosening, but welding high-tensile steel frames can weaken the metal if done incorrectly. Bolt-on systems allow easy adjustments if you switch generator models or need to rebalance tongue weight. Choose a bolt-on tray with nylon-insert lock nuts unless your trailer manual permits chassis welding.

How much does a secure trailer tongue generator mount cost to buy and install?

Secure trailer tongue generator mounts cost between $150 and $450 to purchase, while professional installation typically adds $100 to $250 in labor fees. Basic flat steel trays for compact 2,000-watt inverter generators sit near the $150 to $200 mark. Heavy-duty elevated platforms that fit over dual propane tanks range from $250 to $450. DIY installation takes about one to two hours with standard wrenches, eliminating outside labor expenses completely.

What is the most common mistake when mounting a generator to a trailer tongue?

Failing to measure turning clearance between the tow vehicle rear bumper and the generator is the most frequent installation mistake. Drivers often mount a wide generator platform only to crush their equipment during sharp reversing maneuvers or tight turns. Another frequent error is mounting the unit without thread locker or lock washers, causing bracket bolts to rattle free over rough roads. Always perform a slow test turn in an open lot immediately after installation.

Is carrying a generator on the trailer tongue safe for tongue weight limits?

Carrying a generator on the trailer tongue is safe only if the added load keeps total tongue weight between 10 and 15 percent of overall trailer weight. Adding a 50-to-100-pound generator plus a 30-pound steel tray directly onto the tongue increases hitch weight by nearly that entire amount. Exceeding your hitch receiver or tongue weight capacity causes dangerous vehicle sagging, poor braking, and trailer sway. Measure your tongue weight with a specialized scale before traveling.