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Trailers Accessories
Trailer accessories encompass a wide range of components designed to improve towing performance, safety, and cargo management. From structural elements like axles, springs, and wheels to supporting parts such as jockey wheels, couplers, brakes, and mudguards, each accessory plays a key role in ensuring stable towing and efficient operation. Additional items like trailer cages, canvas covers, drawbar toolboxes, mower boxes, and spare wheel holders provide added storage, load protection, and equipment security. Lighting systems and H bars contribute to visibility and cargo support, meeting both practical and regulatory requirements. By selecting the right combination of components, trailer owners can tailor their setup to meet specific needs and operating environments. Investing in durable, well-engineered accessories ensures longer service life.
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Trailer Jockey Wheel
A trailer jockey wheel is a height-adjustable, retractable wheel mounted on the drawbar or A-frame of a trailer, engineered to support the trailer tongue when disconnected from a towing vehicle and improve maneuverability during coupling, storage, or repositioning operations. By lifting or lowering the nose using its integrated screw or swivel bracket, the jockey wheel facilitates precise alignment with the towing hitch and eases the effort required to connect or disconnect the trailer, while its caster action allows smooth movement in any direction—ideal for tight spaces or uneven terrain. These wheels are constructed to carry a specified static nose load—ranging from several hundred kilograms on light models to over 700 kg on heavy-duty units—and feature sleeve diameters typically between 42 mm and 60 mm, ensuring compatibility with different trailer classes.
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Trailer Coupler
A trailer coupler is a critical mechanical component that joins the trailer’s tongue to the tow vehicle’s hitch ball, enabling secure towing and effective load transfer; it must match the hitch ball size (commonly 2") and the trailer’s Gross Vehicle Weight Rating (GVWR) to ensure safe operation. Constructed from high-strength steel—often with powder or zinc coating—the coupler employs a latch mechanism (such as the patented wedge-latch design) that locks firmly over the hitch ball to maintain connection under dynamic loading. Adjustable-height couplers accommodate various towing setups, helping to keep the trailer and tow vehicle level, which is key to reducing sway and uneven tyre wear. Whether bolt-on or weld-on, the coupler’s design must comply with established safety standards, and its materials and construction influence both longevity and maintenance frequency.
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Trailer Spring
Trailer springs—typically in the form of leaf springs—are engineered assemblies of curved steel plates (leaves) designed to flex under load, absorbing shocks and maintaining stability when hauling cargo over uneven terrain. A standard leaf spring pack may contain anywhere from one to seven leaves, each tempered to balance strength and flexibility. When the trailer traverses bumps or dips, the springs flatten and flex, dissipating energy and reducing stress on the frame and axle, thus preserving structural integrity and ensuring cargo remains secure. The spring’s arc shape and number of leaves directly correlate to load capacity: heavier trailers require more leaves or thicker steel, while lighter trailers can use simpler, single-leaf designs. Eye-to-eye springs are common on lighter utility trailers, while slipper-type configurations are preferred in heavier applications for their self-locating pads and streamlined footprint.
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Trailer Axle
A trailer axle serves as the central load-bearing shaft that connects the wheels and transfers the trailer's cargo weight onto the ground, playing a fundamental role in both structural support and ride dynamics. There are primarily two axle systems: spring (leaf-spring) axles and torsion axles. Spring axles use leaf spring packs mounted beneath or above the beam, offering robust, cost-effective suspension with straightforward maintenance and parts replacement. Torsion axles encapsulate individual trailing arms and rubber cords inside a sealed tube, delivering independent suspension and smoother ride quality with fewer metal-on-metal wear points. Axles can be straight for even deck height, drop-style to lower load-leveling, or overslung/underslung depending on clearance and stability requirements. They are available in configurations ranging from single to tandem or triple axles, depending on weight distribution needs.
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Trailer Brake
A trailer brake system is a vital component for any towed load, ensuring controlled deceleration, enhanced safety, and compliance with vehicle regulations. These systems are generally divided into three main types—electric (or electric drum), hydraulic, and electric-over-hydraulic. Electric drum brakes utilize an electromagnetic coil activated by a brake controller signal, forcing shoes against a rotating drum. Hydraulic brakes rely on fluid pressure generated within a surge actuator on the trailer, translating towing vehicle deceleration into mechanical force on drum or disc assemblies. Electric-over-hydraulic systems combine the responsive control of electric braking with the power of hydraulic actuation, delivering stronger and smoother stopping performance—though requiring both wiring and fluid lines.
Choosing the proper brake system depends on trailer weight, usage frequency, towing terrain, cost, and maintenance preference to guarantee optimal performance and compliance.
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Trailer U Bolt
A trailer U-bolt is a curved fastener manufactured to precise specifications, engineered to clamp the leaf spring pack to the trailer axle and maintain suspension alignment under dynamic loads. These components are typically crafted from high-strength steel—available in raw, zinc-plated, hot-dip galvanized, or stainless finishes—to resist corrosion and maintain clamping force in environments ranging from road salt to freshwater exposure. The critical dimensions—thread diameter, inside width, and leg length—must match the axle tube size, spring width, and mount plate thickness.
Proper installation involves using torque-specified nuts, lock washers or plates, and periodic re-torque checks, as steel U-bolts stretch during initial installation or under heavy load, which may loosen the clamp over time.
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Trailer Wheel
A trailer wheel is a specialized wheel assembly designed to support the load of a trailer and transmit forces between the axle and the road surface, which includes the rim and hub, studs, lug nuts, and sometimes an integrated brake hub. These wheels vary in diameter—common sizes range from 8″ to 16″—and are built with load ratings that must match or exceed the trailer’s Gross Vehicle Weight Rating (GVWR) to ensure safety and avoid overloading. Trailer wheels bolt to the axle hubs using standard patterns—often 4‑, 5‑, or 6‑lug—and are aligned using pilot centers or hub-centric designs to maintain proper tracking and reduce vibration. Wheels used on brake-equipped trailers may contain integrated brake drums or disc mounting surfaces, enabling braking functionality.
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Trailer Mudguard
A trailer mudguard—or fender—is an essential protective cover mounted above the wheels to shield the trailer chassis, cargo, other vehicles, and pedestrians from debris, water, and stones expelled by rotating tires. Often made from durable galvanized steel or aluminum materials, mudguards need to resist impacts, corrosion, and ultraviolet decay. Metal versions offer robust protection and can be shaped to specific designs—single‑wheel or tandem configurations. Mudguards are engineered to comply with legal standards that dictate coverage depth and proximity to the tire to minimize spray and projection of road particles. Beyond legal compliance, they help preserve under‑carriage components by diverting salty water and gravel away from suspension parts and braking surfaces.
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Trailer Light
Trailer lights are engineered to ensure a trailer is visible, communicative, and compliant on public roads, integrating multiple lighting functions—tail lights, stop lights, turn signals, side markers, clearance lamps, license plate illumination, and reflectors—into a single unit or modular kit. Designs vary according to trailer type and dimensions: for example, trailers under 80 inches wide and 30 feet long typically require rear stop, tail, and turn lights plus reflectors and a license plate lamp, while wider or heavier trailers must also include clearance lights and conspicuity strips. Critical technical considerations include proper grounding (white wire to chassis), system voltage (DC), and connector type (4-, 5-, 6-, or 7-way) to ensure synchronised operation with the tow vehicle.
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Trailer Cage
A trailer cage is an add-on steel framework bolted onto the sides and rear of a flatbed or utility trailer to confine and secure loose or bulky cargo, effectively forming high walls to prevent spillage and enhance load versatility. These structures typically consist of side panels, a front panel, and a hinged or swing rear gate with locking provisions, and are built from structural hollow sections or mesh grids (e.g., 40 × 40 mm RHS frames with 100 × 50 × 4 mm mesh) that offer clear visibility while maintaining strength. Cage kits are often hot-dip galvanized to resist corrosion and rugged enough for regular commercial use, and can be installed or removed in minutes to adapt to different haul scenarios.
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Trailer Canvas Cover
A trailer canvas cover is an important accessory used to protect cargo from outdoor elements such as rain, dust, and UV rays during transport. Typically made from durable materials like PVC-coated polyester, ripstop canvas, or heavy-duty polyethylene, these covers offer varying degrees of water resistance, breathability, and abrasion resistance. Canvas covers are particularly beneficial for loads sensitive to moisture or debris, such as garden equipment, construction materials, or livestock feed. They are often equipped with features like reinforced eyelets, adjustable straps, and elastic hems to ensure a secure fit across different trailer sizes and shapes. Some models include UV-resistant coatings to prolong the cover's lifespan and maintain its protective qualities.
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Trailer Drawbar Toolbox
A trailer drawbar toolbox is a storage solution mounted on the front drawbar of a trailer, providing secure and weather-resistant space for tools and equipment. Constructed from materials like aluminum checker plate, these toolboxes are designed to withstand harsh outdoor conditions and frequent use. The design often includes compartments or trays for organized storage, allowing for easy access to tools and accessories. Installation is generally straightforward, with options for bolting or welding the toolbox to the trailer frame. When choosing a drawbar toolbox, it's essential to consider factors such as size, weight capacity, and compatibility with the trailer's design to ensure optimal functionality and safety.
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Trailer Mower Box
A trailer mower box is a dedicated, reinforced compartment mounted at the front of a mower trailer designed to securely transport samll mowers. Constructed typically from RHS and mesh grids, it often integrates a rear-loading ramp or swing-down door system engineered to handle the machine's front-end weight during loading and unloading, thereby preserving the trailer’s center of gravity and ensuring safe transit. Properly designed mower boxes enable quick transitions between jobs, reduce wear on the main trailer deck, and keep bulky equipment separate from loose cargo, allowing for improved space utilization.
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Trailer H Bar
A trailer H bar—also known as a ladder rack, H‑style support bar, or cross‑beam structure—is a robust welded assembly mounted above the trailer bed to support long materials such as ladders, pipes, conduit, and timber. Shaped like the letter "H", these bars consist of parallel uprights connected by a horizontal crossbar, typically fabricated from high-tensile steel, and finished with galvanizing to withstand outdoor exposure. By raising long items above the trailer floor, the H-bar improves payload packaging, reduces load-induced swaying, and aids access to the trailer bed. Taller configurations can accommodate pipes and timber bundles while maintaining legal clearance, while adjustable-height variants allow decks to remain clear, facilitating loading of wider cargo beneath the bars.
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Trailer Spare Wheel Holder
A trailer spare wheel holder is a durable mounting device affixed to the trailer’s frame, drawbar, or sidewall, designed to secure a full-size spare wheel and tyre assembly. Crafted from stamped or fabricated steel, often with reinforced backing plates, the holder employs a clamping mechanism or U-bolt interface that accommodates wheel diameters and rim depths typical of the trailer—commonly 13″ to 16″ units. Mounted either vertically against the trailer face or horizontally under the deck, spare holders are positioned to avoid swinging into other components while preserving ground clearance. When installed on a swing-up jockey wheel or front gate, the holder maintains rear access to the trailer bed. A correctly positioned spare holder reduces downtime by providing immediate access to a replacement wheel and ensures compatibility with the trailer’s suspension and wiring layout.
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Toolbox Accessories
Toolbox accessories consist of a wide range of components designed to enhance the functionality, organization, and usability of vehicle-mounted or standalone toolboxes. These include necessary items such as mounting kits for secure installation, locks for added security, drawer units and shelves for internal organization, gas struts for smooth lid operation, and specialized add-ons like ladder racks, canopy ladders, cargo cages, and jack-off legs. Manufactured from durable materials such as aluminum , these accessories are built to endure daily use. By choosing the appropriate combination of toolbox accessories, users can customize their storage system to match workflow demands, improve safety during transport, and ensure tools are kept protected and easy to access.
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Toolbox Mounting Kit
A toolbox mounting kit consists of screws, bolts, and nuts designed to secure toolboxes firmly to vehicle frames or racks, offering both adaptability and structural reliability. Typically made from corrosion-resistant stainless steel, these kits are engineered for universal fit, accommodating different toolbox styles while preserving vehicle integrity. By evenly distributing the load across bed rails or frame points, they not only simplify installation but also improve safety during travel. These mounting kits are vital for ensuring that drawers, lids, and accessories remain aligned and functional over long-term use, making them crucial for professional mobile tool storage.
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Toolbox Locks
Toolbox locks provide essential security and protection by preventing unauthorized access and keeping tool compartments tightly sealed. Available in keyed, high-quality locks made from stainless steel, zinc alloy, or hardened metal deliver lasting resistance to tampering, corrosion, and vibration. Keyed-alike options streamline fleet management, while robust cams and riveted designs hold up under heavy use. Beyond theft prevention, these locks maintain internal organization and safeguard equipment from falling out during transit—delivering practical value in field, shop, or transport environments.
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Toolbox Drawer Unites
Toolbox drawer units integrate smooth-operating drawers into larger storage systems, enhancing organization and access to hand tools, accessories, and parts. Typically built with aluminum bodies and equipped with ball-bearing or roller slides, these drawer assemblies support weights ranging from 100 to 400 lb and allow full-extension access; some even include anti-tilt mechanisms to prevent accidental opening of multiple drawers simultaneously. Designed to mount inside standard toolbox frames via pre-drilled rails or bolted floor plates, they improve workflow by categorizing items and preserving internal order, while their rigid construction and locking features ensure drawers stay closed during vehicle transit or shop movement.
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Toolbox Shelves
Toolbox shelves create layered workstation storage inside cabinets, allowing users to separate tools, bins, or bulky items horizontally for better organization and visibility. Constructed from sheet aluminum or steel and supported by vertical bracket systems or integrated rail attachments, shelf kits are typically adjustable in height and align with internal divider slots for a custom layout. Some designs include rolled lips or side flanges to prevent items from sliding during transport, while others accommodate accessory bins, trays, or trays of electrical supplies. By dividing vertical space, these shelves help maintain order, reduce clutter, and make it easy to quickly locate equipment—valuable in canopy-backed vehicles and mobile workstations where optimizing space is important.
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Gas Strut
Toolbox gas struts are gas-filled components designed to assist in lifting and holding open toolbox lids, providing smooth and controlled operation. These struts are commonly used in truck toolboxes, camper trailers, and other storage compartments to facilitate easy access to stored items. They are typically constructed from high-strength alloy to withstand the rigors of frequent use and exposure to various environmental conditions. The gas-filled design allows for consistent performance over time, reducing the effort required to open and close heavy lids. Additionally, many gas struts are designed with adjustable force settings to accommodate different lid weights and user preferences. Regular maintenance and timely replacement of gas struts are necessary to guarantee the continued safe and efficient operation of toolbox lids.
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Ladder Rack
Toolbox ladder racks are necessary accessories for transporting long and bulky items such as ladders, pipes, and timber on pickup trucks. These racks are typically mounted above the toolbox, utilizing the truck's bed space efficiently without compromising access to stored tools. Constructed from aluminum, ladder racks are designed to be durable and corrosion-resistant, ensuring longevity even under harsh weather conditions. They often feature adjustable arms or extendable designs to accommodate various load sizes and types. Some models include additional features like tie-down points, tool holders, or integrated lighting to enhance functionality and safety during transport.
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Canopy Ladder
A toolbox canopy ladder provides safe and convenient access to the roof of a vehicle or canopy. Typically made from lightweight yet sturdy materials such as aluminum, these ladders are designed to be mounted on the side or rear of a toolbox or canopy, allowing users to reach elevated areas without the need for external ladders or climbing equipment. The design often includes features like foldable steps, non-slip surfaces, and secure locking mechanisms to ensure safety and ease of use. Some models are equipped with gas struts or hydraulic systems to assist in raising and lowering the ladder, reducing manual effort. Toolbox canopy ladders are helpful for accessing roof-mounted equipment, storage boxes, or for performing maintenance tasks that require elevation, making them a useful addition for workers and outdoor users.
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Toolbox Cargo Cage
Toolbox cargo cages are flexible storage solutions designed to securely hold and organize equipment within a vehicle's cargo area. Typically constructed from heavy-duty aluminum, these cages feature a mesh design that allows for visibility and ventilation of stored items. They are equipped to ensure the safety and security of tools and equipment during transit. Cargo cages are useful in utility vehicles, service trucks, and work vans, providing a dedicated space for tools, parts, and other essential items. Their design facilitates easy access and retrieval, enhancing efficiency and organization in mobile work environments.
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Toolbox Rear Gate
A toolbox rear gate is a hinged tailboard attachment mounted to the back of a toolbox or truck bed cabinet that functions as both a spill guard and a mobile work surface. Made from aluminum plate with folded edges for rigidity, it hinges down to allow loading and flips up to act as a barrier against fallen cargo. It often includes latch points to secure it upright and may be equipped with rubber seals to prevent dust and moisture intrusion into the toolbox. When opened, it doubles as a small loading ramp or desk area, enhancing utility while transporting tools and materials. Its integration improves ergonomics, keeps cargo contained, and transforms a toolbox into a multifunctional workspace.
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Fuel Gas Tool Holder
A fuel gas tool holder is a specialized bracket or container designed to store gas-powered tools or fuel canisters securely within the toolbox or mounted externally. Typically constructed from lightweight aluminum, these holders feature molded cavities or straps sized to fit common gas bottles—acetylene, propane, or oxy-fuel tanks—while ensuring proper ventilation and separation from other tools. Their mounting systems often interface with internal rails or panel slots, allowing adjustable placement. By keeping gas tools upright, ventilated, and fastened, these holders prevent rolling, impact damage, and fuel leaks, supporting organized storage and improving safety standards in mobile service environments.
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Jack off Legs
Jack off legs are removable, adjustable support stands designed to lift and stabilize canopy-style toolboxes or canopies off the vehicle tray for storage or maintenance. Typically built from galvanized steel tubing with built-in jacking mechanisms—either hand-cranked or drill-ready—they offer around 1200 mm of extension and are rated up to 2,000 lb per set. They insert into reinforced jack-off points on the canopy and fold compactly for storage. By enabling canopies to be lifted and parked independently, these legs simplify vehicle use, reduce fuel load, and facilitate maintenance. Their sturdy, fully welded construction ensures stability and safety during removal and reattachment operations.
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