Jammy Greaseable Butterfly Weld-On Ramp Door Hinge | Heavy Duty Raw Steel Trailer Hinge
Weld-on butterfly style hinge for trailer ramp doors, service doors, utility doors, and fabricated steel door applications where the measurements match.
Key Measurements & Specs
| Specification | Detail |
|---|---|
| Part Number / SKU | TBH02 |
| Product Type | Butterfly style weld-on door hinge |
| Overall Length | 4-1/2" |
| Side Leaf Measurement | 1-1/4" each side |
| Center Section | 2" |
| Finish | Raw steel |
| Quantity Included | 1 hinge |
Fitment / Application
| Category | Details |
|---|---|
| Application | Trailer doors, ramp doors, utility doors, service doors, and fabricated steel door assemblies |
| Mounting Style | Weld-on |
| Fitment Method | Verify hinge length, leaf dimensions, center section, weld surface, and door clearance before ordering |
| Important Note | Fitment is measurement-based. Confirm this hinge matches your existing door or fabrication layout. |
Top Features
| Feature | Buyer Benefit |
|---|---|
| Grease Fitting | Allows lubrication to help reduce creaking and extend hinge service life |
| Weld-On Design | Suitable for trailer door fabrication, repair, and replacement work |
| Raw Steel Finish | Ready for welding, prep, paint, or coating after installation |
| Compact Butterfly Layout | Useful where a low-profile door hinge layout is needed |
Overview
This butterfly style weld-on door hinge is designed for trailer door and ramp door applications where a compact weld-on hinge is needed. The hinge includes a grease fitting for lubrication and has a raw steel finish suitable for welding and finishing after installation.
R&P Service Insight
Weld-on hinges should be test-fit before welding so door swing, hinge spacing, and clearance are correct.
- Lubrication: Grease fitting helps keep the hinge moving smoothly.
- Install Prep: Clean weld surfaces before installation.
- Finish Work: Raw steel should be painted or coated after welding to help protect against corrosion.
R&P Knowledge Hub
Compatibility: Verify before ordering. This hinge is measurement-based and should be matched to the door, frame, and weld area.
Vehicle / System Fit: Commonly used for trailer ramp doors, utility doors, service doors, and fabricated steel door assemblies.
Installation Notes: Confirm door alignment, hinge spacing, weld access, and swing clearance before final welding.
Performance Insight: A greaseable hinge helps reduce dry hinge noise and improves serviceability over a non-greaseable hinge.
Brand & Fitment Note
Selling Brand: R&P Carriages
Application Reference: Trailer door and ramp door applications are listed as general fitment references only.
What This Means: This listing is for one butterfly style weld-on door hinge, not a guaranteed OEM-branded item.
Before Ordering: Verify all measurements, weld location, door clearance, and included components before installation.
R&P Repair Insight
When replacing a trailer door hinge, the most important check is matching the hinge layout to the existing door and frame. Do not rely on appearance alone.
- Measure First: Confirm the 4-1/2" overall length and side leaf dimensions match your application.
- Check Door Swing: Make sure the hinge will allow the door to open and close without binding.
- Finish After Welding: Paint or coat raw steel after installation for better long-term protection.
Features
Greaseable Hinge Design
Built with a grease fitting so the hinge can be serviced after installation.
Weld-On Installation
Designed for welding directly to compatible trailer doors, frames, or fabricated steel assemblies.
Raw Steel Finish
Raw steel surface is suitable for welding and can be finished after installation.
Trailer Door Application
Useful for ramp doors, utility trailer doors, service doors, and similar trailer repair work.
Included Components
| Quantity | Item |
|---|---|
| 1 | Butterfly style weld-on door hinge with grease fitting |
| Not Included | Mounting hardware, paint, primer, welding supplies, or additional hinges |
