SPARKWHIZ Weld-On Trailer Hinges | Heavy-Duty Greaseable | Strap-Leaf, Pack of 4

Overview

SPARKWHIZ Weld-On Trailer Hinges offer a rugged, reliable upgrade for heavy-duty trailer doors. This pack of four hinges uses a strap-style, short leaf design that supports sturdy door alignment while permitting smooth movement. Built to withstand real-world use, they’re well-suited for demanding applications on trucks, trailers, and other steel structures where doors see frequent operation.

Designed for outdoor environments, these hinges are crafted from heavy steel and treated for corrosion resistance. The weld-on mount integrates securely with steel frames for long-term performance, helping doors stay in position and operate with consistent effort across many cycles.

Key specifications

• Overall length: 5-3/8 inches
• Overall width: 4 inches
• Plate width: 2-1/4 inches
• Plate thickness: 1/4 inch
• Pack: 4 hinges per set

Durability and materials

• Constructed from heavy steel for lasting strength
• Corrosion-resistant finish suitable for outdoor use
• Greaseable joints designed for smoother operation and easier maintenance

Practical uses and benefits

• Ideal for freight trucks, dump trailers, and horse trailers, among other doors
• Long leaf strap design enhances door stability and reduces misalignment over time
• Greaseable joints support ongoing performance without frequent replacement

Glossy finish, straightforward weld-on installation, and compatible dimensions make these hinges a practical upgrade for fleet maintenance, workshop upgrades, or DIY trailer projects. For best results, ensure mounting surfaces are clean and follow standard torque guidelines when securing the hinges. If you have questions about fitment or installation, our team is ready to help you select the right hardware for your setup.