5 Ramp Door Kit for Enclosed Trailer Reviews: Find the Right Pick

If your enclosed trailer’s ramp door is getting harder to lift or lower, a reliable ramp door kit can restore smooth operation and safety. Whether you need a complete torsion spring assembly or just replacement cables, choosing the right kit saves time and effort.

This guide reviews five ramp door kits for enclosed trailers, covering torsion springs, cables, and winding bars. You’ll find options for 6-foot and 7-foot wide doors, with details on compatibility, build quality, and what each kit includes—helping you pick the best solution for your trailer.

Siftary Trailer Ramp Door Spring Kit TSAP780 – Complete 7-Foot Solution

The Siftary TSAP780 kit is a complete package for 7-foot enclosed cargo trailers. It includes an 80 lb right-hand torsion spring, a pair of 12 ft cable drums, two 150-inch stainless steel lift cables, and all mounting hardware. This all-in-one design means you don’t need to source extra parts, making installation straightforward. The spring is engineered for ramp doors weighing around 160 lbs total, with 80 lbs per hinged section, providing balanced lifting assistance.

Durability is a key focus here. The heavy-duty steel components and corrosion-resistant stainless steel cables are built to withstand rain, humidity, road salt, and other outdoor elements. This makes the kit a solid choice if you frequently use your trailer in harsh conditions. The kit fits most 7-foot wide enclosed cargo trailers, so compatibility is broad. For a complete, ready-to-install system that emphasizes long-term performance, this Siftary kit delivers.

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• Complete Trailer Ramp Door Spring Kit — Includes one 80 LB right-hand torsion spring (5.5" x 50" x 700 mm), one pair of 12 ft cable drums, two 150" stainless steel lift cables, mounting hardware, and installation components. Designed as a complete replacement kit for enclosed trailer ramp door spring systems. Torsion bar not included
• 80 LB Heavy-Duty Lifting Assistance — Engineered for trailer ramp doors weighing approximately 160 lbs (80 lbs hinged weight), this torsion spring assembly delivers balanced lifting force, allowing one person to open and close the ramp door with less effort while reducing wear on hinges and hardware
• Built for Long-Term Outdoor Performance — Manufactured with heavy-duty steel components and corrosion-resistant stainless steel cables to withstand rain, humidity, road salt, and frequent use. Designed for reliable performance through thousands of opening and closing cycles
• Fits Most 7FT Enclosed Cargo Trailers — Compatible with many 7-foot wide enclosed cargo trailers, utility trailers, and small car haulers using an 80 LB trailer door spring system. The included 12 ft cable drums fit standard rear ramp door configurations. Please verify trailer dimensions and door weight before ordering
• Ideal Replacement Ramp Door Spring Assembly — Perfect for replacing worn or broken trailer door springs to restore safe, smooth ramp door operation. Our support team is available to answer installation and compatibility questions, with responses provided within 12 hours through Amazon messaging

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Kozlira TSAP780 Ramp Door Spring Kit – Reliable 7-Foot Repair

The Kozlira TSAP780 kit is designed as a repair assembly for 7-foot wide cargo trailers. It comes with one 80 lb torsion spring (clockwise/right wind), left and right cable drums with 12-foot cable travel capacity, and stainless steel cables. Note that this kit does not include the torsion bar, so you’ll need to reuse your existing bar or purchase one separately. The premium metal construction offers excellent corrosion and wear resistance for smooth, reliable performance.

This kit is compatible with most 7-foot wide enclosed cargo trailers and smaller car haulers. It’s designed for doors up to 160 lbs total, or about 80 lbs per hinged section. The focus is on helping you improve ramp door control and ease of use. If you already have a torsion bar and need a quality spring and cable replacement, this Kozlira kit provides a durable, cost-effective solution. The build quality ensures long-term durability even with regular use.

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• 【WARM NOTE】The TSAP780 Ramp Door Spring Kit does NOT include Bar
• 【PACKAGE INCLUDED】1 * 5.5 x 50 x 700mm 80 lb Torsion Spring, Clockwise (Right) Wind; 1 * Left Side Cable Drum with 12’ Cable Travel Capacity; 1 * Right Side Cable Drum with 12’ Cable Travel Capacity; 2 * 150” x 1/8” Stainless Steel Winding Cables; 2 * Bearing Brackets for Roof Mounting; 2 * Nylon Rollers; 2 * Bolts with Nuts
• 【PREMIUM METAL CONSTRUCTION】Crafted from high-quality metal materials with excellent corrosion and wear resistance. Built for smooth, reliable performance and long-term durability in harsh outdoor conditions
• 【WIDE COMPATIBILITY】Compatible with Most 7 Foot Wide Enclosed Cargo Trailers or Smaller Car Haulers. Designed for doors up to ~160 lb total (≈80 lb hinged section). Helps improve ramp door control and lifting ease with torsion-assisted support
• 【ASSISTANCE AVAILABLE】If you have any questions about this item, please don't hesitate to contact us. We aim to respond as quickly as possible. We are committed to continuously improving our products. Thank you for your support

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Kozlira TSAP780 Ramp Door Spring Kit with Winding Bars – Safe Adjustment

This Kozlira TSAP780 kit includes winding bars, which is a notable advantage for safe and precise spring adjustment. The package contains one 80 lb torsion spring (clockwise/right wind), left and right cable drums with 12-foot cable travel, and the winding rods. The torsion tube shaft is not included, so you’ll need to supply that. The winding rods allow controlled spring winding and unwinding, fitting the winding cones for fast, accurate balancing.

Compatibility is with most 7-foot wide trailer ramp doors, designed for doors up to 160 lbs total. The winding bars make installation safer and easier, especially if you’re not experienced with torsion springs. This kit is ideal if you want to avoid the extra cost and hassle of buying winding bars separately. The premium metal construction ensures smooth, reliable performance. For a 7-foot trailer repair that prioritizes safety and precision, this Kozlira kit with winding bars is a smart choice.

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• 【WARM NOTE】The TSAP780 ramp door spring kit does NOT include Torsion Tube Shaft.
• 【PACKAGE INCLUDED】1 * 5.5 x 50 x 700mm 80 lb Torsion Spring, Clockwise (Right) Wind; 1 * Left Side Cable Drum with 12’ Cable Travel Capacity; 1 * Right Side Cable Drum with 12’ Cable Travel Capacity; 2 * 150” x 1/8” Stainless Steel Winding Cables; 2 * Bearing Brackets for Roof Mounting; 2 * Nylon Rollers; 2 * Torsion Spring Winding Rod/Bars; 1 * A Pair of Non-Slip Glove; 2 * Bolts with Nuts
• 【WIDE COMPATIBILITY】Fits most 7-ft wide trailer ramp doors. Designed for doors up to 160 lbs total (or ~ 80 lb per hinged section), providing torsion-assisted support for better control and easier operation.
• 【PRECISE ADJUSTMENT】Torsion spring winding rods allow safe, controlled spring winding and unwinding. Precisely fit the winding cones for fast, accurate balancing and smoother, safer operation.
• 【PREMIUM METAL CONSTRUCTION】Constructed from premium metal to resist corrosion and wear. Engineered for dependable, long-term performance in harsh outdoor environments. Chamfered winding bars provide a secure grip while helping reduce spring wear.

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Kozlira TSAP660 Ramp Door Spring Kit – For 6-Foot Wide Trailers

The Kozlira TSAP660 kit is tailored for 6-foot wide cargo trailers. It includes one 60 lb torsion spring (right/clockwise wind), left and right cable drums with 12-foot cable travel, and stainless steel cables. The torsion bar is not included, so you’ll need to reuse or purchase one separately. The premium metal construction provides excellent corrosion and wear resistance, ensuring smooth and reliable performance over time.

This kit is compatible with most 6-foot wide trailer ramp doors, designed for doors around 120 lbs total, or about 60 lbs per hinged section. It helps improve ramp door control and ease of operation. If you own a smaller trailer, this is the correct size to match your door weight. The build quality is on par with the larger Kozlira kits, offering durability for regular use. For a 6-foot trailer needing a spring and cable replacement, this kit is a dependable option.

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• 【WARM NOTE】The TSAP660 Ramp Door Spring Kit does NOT include Bar
• 【PACKAGE INCLUDED】1 * 5.0 x 50 x 550mm 60 lb Torsion Spring, Right (Clockwise) Wind; 1 * Left Side Cable Drum with 12’ Cable Travel Capacity; 1 * Right Side Cable Drum with 12’ Cable Travel Capacity; 2 * 150” x 1/8” Stainless Steel Winding Cables; 2 * Bearing Brackets for Roof Mounting; 2 * Nylon Rollers; 2 * Bolts with Nuts
• 【PREMIUM METAL CONSTRUCTION】Crafted from high-quality metal materials with excellent corrosion and wear resistance. Built for smooth, reliable performance and long-term durability in harsh outdoor conditions
• 【WIDE COMPATIBILITY】Compatible with most 6 Foot Wide Trailer Ramp Doors. Designed for doors around 120 lb total, or ~60 lb per hinged section. Helps improve ramp door control and lifting ease with torsion-assisted support
• 【ASSISTANCE AVAILABLE】If you have any questions about this item, please don't hesitate to contact us. We aim to respond as quickly as possible. We are committed to continuously improving our products. Thank you for your support

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Creative.C Garage Door Cable 150'' – Replacement Cables Only

The Creative.C Garage Door Cable kit is a simple replacement option for 150-inch enclosed ramp doors. It includes two 150-inch cables with upgraded high-strength steel wire cores and a rust-resistant coating. The eyelets at both ends are made from stainless steel for enhanced strength and corrosion resistance. This kit is designed as a replacement for CAB1-8CB150 and works with most enclosed trailers that use extension springs.

Installation is straightforward, as the cables are custom-made to work seamlessly with extension springs. This kit is essential for safety, as damaged cables can lead to door failure. If your existing cables are worn or rusted, replacing them with this set restores safe operation. Note that this is a cable-only kit—no springs, drums, or hardware are included. For a quick and affordable cable replacement, the Creative.C kit is a practical choice.

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• Applicable Models & Usage:Garage Door Cable is designed for 150-inch enclosed ramp doors, Replacement for CAB1-8CB150.It effectively replaces damaged cables in most enclosed trailer ramp springs.
• Upgraded material: High‑strength steel wire core with rust‑resistant coating; the eyelets at both ends are upgraded stainless steel for enhanced strength, corrosion resistance, and longer service life.
• Essential for Safety:150"Garage Door Cable Replacement kit are custom-made to work seamlessly with extension springs, playing a crucial role in ensuring the safe and efficient operation of garage doors and trailer ramp doors.
• Hassle-free Installation:Installing the Garage Door Cable Replacement Kit is a breeze. It's a plug and play solution that requires no special skills. You can search for and watch installation videos to ensure proper functioning and optimal performance
• Cost-Effective:Come With 2 pieces of high-quality steel cables (150-inch), this kit meets the replacement needs of most garage doors and trailer doors, saving you time and repair costs.

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Buyer’s Guide: What to Consider

Consider these key factors when choosing a ramp door kit for your enclosed trailer to ensure proper fit, safety, and long-lasting performance.

• Trailer Width: Measure your trailer's door width. Kits are designed for 6-foot or 7-foot wide doors. Using the wrong size can cause poor balance or damage.
• Door Weight Capacity: Check your ramp door's weight. Kits specify a total door weight, often around 120 lbs for 6-ft or 160 lbs for 7-ft doors. Match this for proper lifting assistance.
• Included Components: Some kits include winding bars, cables, drums, and hardware. Others omit the torsion bar or winding rods. Know what you need to avoid extra purchases.
• Spring Wind Direction: Most listed kits are right-hand (clockwise) wind. Verify your existing spring's wind direction to ensure compatibility with your trailer's setup.
• Material Quality: Look for corrosion-resistant materials like stainless steel cables and heavy-duty steel components. This ensures durability in outdoor and humid conditions.

Conclusion

Choosing the right ramp door kit for your enclosed trailer depends on your trailer’s width, door weight, and whether you need a complete assembly or just cables. For a full 7-foot solution, the Siftary kit offers everything you need. If you prefer winding bars for safe adjustment, the Kozlira TSAP780 with bars is ideal. For 6-foot trailers, the Kozlira TSAP660 fits perfectly.

For simple cable replacement, the Creative.C kit is a practical choice. Always verify your trailer’s specifications before purchasing. With the right kit, you can restore smooth, safe ramp door operation and extend your trailer’s usability.