Jack Mount Plate – Weld-On Adapter

Jack Mount Plate – Weld-On Adapter for Bolt-On Trailer Jacks (Universal Fit) Turn Any Surface Into a Bolt-On Jack Mount The Primary Mover Jack Mount Plate is a simple but powerful solution that allows you to install a bolt-on hydraulic jack anywhere on your trailer—even if your trailer doesn’t have a bolt pattern. This heavy-duty steel plate features the exact bolt pattern of Primary Mover bolt-on jacks, giving you the flexibility to weld the plate to your trailer and then bolt your jack on securely. The result? A removable jack system without being locked into a permanent weld-on jack. Why This Plate Exists Many trailers don’t come with a factory jack mounting pattern, or customers don’t want to: Drill into their frame or I-beam Be stuck with a permanent weld-on jack Limit themselves to a fixed mounting height This plate solves all of those problems by giving you a weld-on foundation for a bolt-on jack. How It Works Weld the plate directly onto your trailer frame or custom mount Use the pre-drilled holes to bolt on your Primary Mover jack Remove or replace your jack anytime without cutting or grinding It’s the perfect hybrid solution between weld-on strength and bolt-on flexibility. Key Features Primary Mover Bolt Pattern: Matches all Primary Mover bolt-on hydraulic jacks Weld-On Installation: Mount anywhere on your trailer or custom setup Removable Jack Design: Allows easy service, replacement, or upgrades Heavy-Duty Steel Construction: Built for real trailer and dump applications Precision Pre-Drilled Holes: Ensures proper alignment and easy installation Universal Use: Ideal for trailers without an existing bolt pattern Perfect For Dump trailers Equipment trailers Custom trailer builds Frame-mounted jack installations Customers who don’t want to drill into their trailer frame Common Use Cases This plate is often used when: You want a removable jack instead of a permanent weld-on jack Your trailer does not have a bolt pattern You’re building a custom mounting location You want to adjust jack height or position by welding the plate where needed You want to modify an existing weld-on jack setup for more flexibility Compatibility Designed specifically for: Primary Mover bolt-on hydraulic jacks Note: May work with other jacks using the same bolt pattern, but compatibility is not guaranteed. Product Videos & Setup Help Need help choosing the right jack setup or installation method? Click here to watch jack installation and setup videos (Primary Mover Video Library) Frequently Asked Questions What does this plate do? It allows you to weld a mounting surface onto your trailer so you can install a bolt-on jack, even if your trailer doesn’t have a bolt pattern. Why not just weld the jack directly? Welding the jack directly makes it permanent. This plate allows you to remove or replace the jack anytime without cutting or grinding. Does this come with hardware? Mounting hardware is included with Primary Mover bolt-on jacks. This plate is designed to work with that hardware. Can I mount this anywhere? Yes, as long as the surface is structurally sound and suitable for welding. Is this compatible with other brands? It may work with other jacks that share the same bolt pattern, but it is specifically designed for Primary Mover bolt-on jacks. Benefits of Choosing Primary Mover Built for real trailer applications Designed by people who understand dump trailers High-quality, heavy-duty materials Flexible solutions for custom installs Expert support when you need it