Finding a durable tarp spring kit for a dump truck bed can save time and reduce maintenance. This article tests five top options, highlighting build quality, compatibility, and installation practicality. Each product is evaluated on arm count, bed length compatibility, and included hardware to help you choose the right system for your truck.
Summary of chosen products:
| Product | Arms / Springs | Bed Compatibility | Material Highlights | Notable Features |
|---|---|---|---|---|
| Electric Aluminum Arm 4 Spring (ARMS ONLY) | 4 Spring Aluminum Arms | Up to 23′ bed | Heavy-duty aluminum, rust resistant | Telescoping arms; adjustable cross tube |
| Electric Aluminum Arm 3 Spring (ARMS ONLY) | 3 Spring Aluminum Arms | Up to 20′ bed | Aluminum; corrosion resistant hardware | Complete arm kit with hardware |
| 4-Spring Aluminum Complete Kit (93″ arms) | 4 Spring Aluminum Arms (93″ upper & lower) | Standard 93″ lower arms; adjustable cross tube | Polished aluminum; corrosion resistant | No cut, no drill; full hardware |
| ATPSTS Spiral Torsion Springs (Set of 8) | Springs only (8) | Universal side-mount tarp systems | Oil tempered steel; powder-coated | Designed for tarp arm tension and longevity |
| Carolina Tarps Electric Aluminum 4-Spring | 4 Spring Aluminum Arms | Up to 24′, 110″ wide | Rust-proof aluminum; included wiring | Rotary switch with long battery cable |
Electric Aluminum Arm 4 Spring Dump Truck Tarp Kit (ARMS ONLY)

The 4-spring kit uses heavy-duty aluminum construction with precision robotic welds for strength and rust resistance. It fits dump beds up to 23 feet long and up to 110 inches wide, making it versatile for a range of trucks. The cross tube is adjustable from 93 to 110 inches out of the box, with the option to cut the tube for narrower beds. This kit prioritizes a robust, corrosion-resistant build and straightforward customization for different bed widths.
Electric Aluminum Arm 3 Spring Dump Truck Kit (ARMS ONLY)

The 3-spring aluminum arm kit includes two lower arms, two upper arms, a cross tube, corner arm connectors, pivot pins, six springs (three on each side), centering flanges, and all necessary hardware. This package is designed for quick assembly and a solid hedge against tarp sag, delivering consistent tension across a 20-foot bed. The included hardware supports fast installation with durable aluminum components that resist rust.
4-Spring Aluminum Dump Truck Complete Tarp Arm Kit (93″ Arms)

This complete kit includes 93-inch polished aluminum upper and lower arms, a no-cut aluminum cross tube, corrosion-treated steel pivot pins, and all hardware. The design emphasizes durability and ease of installation with a straightforward pin-to-pin setup. It does not require arm bends, simplifying the assembly for some operators and ensuring a clean, long-lasting tarp operation.
ATPSTS Spiral Torsion Springs for Dump Truck Tarp Systems

This set includes eight spiral torsion springs designed to provide tarp arm tension during rolling and unrolling. Made from corrosion-resistant oil-tempered steel with a black finish, these springs are intended for universal side-mount tarp systems. They are positioned as a long-lasting, common-component option that can be paired with various existing tarp arms, offering reliable performance across different truck configurations.
Carolina Tarps Electric Aluminum 4-Spring Dump Truck Tarp System

This system combines heavy-duty rust-proof aluminum with a 50-foot rotary switch‑style control cable and a 1-year warranty. It includes a 50-foot 6-gauge dual conductor battery cable to power the tarp, and the kit is designed to cover loads efficiently with a 4-spring configuration. The rust-proof aluminum construction provides a polished look and reliable longevity in demanding field conditions.
4 Spring Aluminum Dump Truck Complete Kit With 93″ Arms (With Bends)

This kit features 93-inch upper and lower aluminum arms with a no-cut no-drill cross tube and corrosion‑resistant steel hardware. The 45-degree arm bends offer a tailored fit for trucks with specific bed widths and mounting constraints. The package emphasizes full installation readiness and durable aluminum components for lasting tarp performance.
Electric 4-Spring System With Tarp From Kym Industries

Includes 93″ upper and lower polished aluminum arms, a 12V 50:1 Apache electric motor, a 7-foot-6 inch by 18-foot black mesh tarp, and a rotary switch kit with a long battery cable. The system provides robust coverage up to 24 feet in length and 110 inches in width. This option focuses on a complete, integrated package designed for straightforward installation and dependable operation in the field.
Datanly 8 Pack Spiral Torsion Springs for Dump Truck Tarp Systems

The Datanly set contains eight oil-tempered spiral torsion springs, designed to deliver strong, durable performance for roll-up tarps on dump truck systems. The springs feature a black finish for corrosion resistance and are engineered for precise tension management to ensure smooth rolling and secure tarp operation under heavy loads. This option suits operators seeking reliable, uniformly-tensed springs as replacements or upgrades.
Buying Guide: Key Purchase Considerations
- Bed compatibility: Confirm bed length and width to ensure the arms and cross tube will fit without modification. Some kits offer adjustable cross tubes or optional bending for narrow beds.
- Arm count and spring configuration: More springs generally provide greater tension and smoother tarp operation, but may add weight and complexity. Match the number of springs to your typical load and bed size.
- Material and durability: Aluminum arms resist rust and are lighter than steel, which can simplify handling and longevity in harsh environments. Check hardware corrosion resistance as well.
- Installation requirements: Some kits are “pin-to-pin” or require drilling; others advertise no-cut, no-drill installation. Consider your truck’s mounting points and whether you have the tools for installation.
- Additional components: Look for included motor, wiring, switch, and battery cable if you need a full turnkey system. Replacement springs should be readily available if worn.
- Warranty and service: A longer warranty can indicate confidence in durability; verify that replacement parts are easy to source.
- Weight and ease of use: Lighter aluminum systems improve handling on job sites. Ensure the tarp size and mesh are compatible with the system’s reach.
- Cost vs. value: Compare the total package, including hardware and potential customization, to its expected lifespan and maintenance needs.
When choosing a tarp spring kit for a dump truck, balance bed size, ease of installation, and system durability. For larger beds up to 24 feet, consider 4-spring kits with robust aluminum arms and complete hardware. If you only need to replace springs, dedicated torsion spring sets offer a flexible upgrade without replacing entire arms. Finally, ensure compatibility with your current tarp material and control setup to minimize future adjustments.