Choosing the right spring kit for an enclosed trailer ramp door ensures smooth operation, safety, and long-term durability in harsh outdoor environments. This guide highlights five reliable options and explains key considerations like spring rating, drum construction, and compatibility with 6′, 7′, and 8′ wide trailers. Each product section links to Amazon for quick comparison, while the buying guide helps you compare performance features and installation needs across different kits.
Summary of Selected Products
- Kozlira TSAP780 Ramp Door Spring Kit — 80 lb torsion spring, cables, and drums
- Replacement Rear Ramp Door Spring 80 lb — for 7′ wide trailers
- Replacement Rear Ramp Door Spring 60 lb — for 6′ wide trailers
- 2pcs Garage Door Cable Enclosed Cargo Trailer Ramp Door Replacement Kit — 12.5′
- scottchen PRO 150″ Replacement Cable Wire — 12.5′ wires, 2-pack
Kozlira TSAP780 Ramp Door Spring Kit
The Kozlira TSAP780 kit targets 7′ wide cargo trailers and includes an 80 lb torsion spring, left and right cable drums, two 150″ stainless steel winding cables, bearing brackets for roof mounting, nylon rollers, and mounting bolts with nuts. This kit emphasizes durable metal construction designed to resist corrosion and wear in outdoor settings. Note that the bar is not included, so compatibility with existing mounting hardware should be verified before purchase. The 12′ cable travel capacity per drum supports a substantial door opening range, contributing to smoother operation and long-term reliability.
Replacement Rear Ramp Door Spring 160# (7′ Wide)
This 160 lb spring rebuild kit is designed for 8′ wide trailers, but the core components align with standard rear ramp door spring assemblies used on many 7′ wide enclosures as well. It includes a 43″ spring, drums, and hardware needed to restore balanced door tension. It is suitable for hinged doors and emphasizes a robust, durable build for regular use. Ensure your trailer’s door weight and mounting space align with the kit’s specifications before purchasing.
Replacement Rear Ramp Door Spring 80# (7′ Wide)
This 80 lb rear ramp door spring kit is sized for 7′ wide enclosed trailers and includes a door spring, drums, and related hardware. The configuration aims to deliver balanced tension and reliable door operation, with an emphasis on straightforward installation for DIY users. Check the door’s weight rating and mounting dimensions to confirm compatibility with your trailer model and existing hardware.
2pcs Garage Door Cable Enclosed Cargo Trailer Ramp Door Kit
This 12.5′ cable kit from Creative.C is designed for garage doors and enclosed trailer ramp doors, replacing damaged cables with high-strength galvanized steel wire. The kit emphasizes rust resistance, durability, and safety, ensuring cables work smoothly with extension springs. It’s positioned as a practical upgrade for 150″ ramp doors and is suitable where cable wear is a concern for frequent use and exposure to the elements.
scottchen PRO 150″ Cable Wire (2-Pack)
The scottchen PRO 150″ replacement cables come as a two-pack designed for enclosed trailer ramp doors. They use steel wire rated for high load capacity and resistance to corrosion. Installation is described as straightforward, with plug-and-play compatibility to work with most rear ramp door springs. The product emphasizes reliability under regular usage and is suitable for users seeking a long-lasting cable solution for 12.5′ doors or longer cords that match existing setups.
Buying Guide: Key Purchase Considerations
When selecting a spring kit for an enclosed trailer ramp door, several factors influence performance, safety, and compatibility. Consider spring rating (lb) relative to door weight, door width, and mounting geometry. Pay attention to drum size and the length of cables, ensuring adequate travel without binding. Material quality matters—look for corrosion-resistant metals and durable rollers. If installing yourself, verify compatibility with existing mounting hardware (bar availability, bracket types, and bolt patterns). Some kits assume specific trailer widths (6′, 7′, or 8′), so confirm the kit matches your trailer’s dimensions. Finally, reliability and ease of maintenance are major long-term considerations, especially for frequent use in variable weather.
Comparison at a glance:
- Spring rating: 60 lb to 160 lb options cover light to heavy doors; choose based on door weight and use frequency.
- Hardware and drums: kits with robust drums and stainless or corrosion-resistant components tend to last longer in outdoor environments.
- Cable length: ensure cables accommodate your door travel; longer doors require longer cables and higher travel capacity.
- Installation: some kits require bar or mounting hardware; verify included components and compatibility with your trailer model.
- Warranty and support: check seller policies for replacement parts and guidance during installation.