Weld-On 14,000 lb Steel A-Frame Trailer Coupler – 2-5/16" Ball
Heavy-duty weld-on A-frame trailer coupler for standard 50-degree trailer tongues using a 2-5/16" hitch ball. Raw steel coupler with lockable latch, built-in jack mount opening, and 14,000 lb gross trailer weight rating.
Key Measurements & Specs
| Specification | Detail |
|---|---|
| Part Number / SKU | CA5400 |
| Product Type | Weld-on A-frame trailer coupler |
| Ball Size | 2-5/16" |
| Gross Trailer Weight Rating | 14,000 lb |
| Tongue Weight Rating | 2,100 lb max |
| Material / Finish | Steel / raw steel oily finish |
| Overall Dimensions | 13-1/2" front to back; 10-3/4" wide at rear; 4-1/2" overall height |
| Weight | Approximately 9 lb |
| Quantity Included | 1 coupler |
Fitment / Application
| Category | Details |
|---|---|
| Trailer Type | A-frame trailers with standard 50-degree tongue design |
| Mounting Style | Weld-on installation |
| Jack Mount Opening | Standard 2-1/4" jack mount hole |
| Jack Bolt Pattern | Three threaded jack-mount holes for 9/16" bolts |
| Fitment Method | Verify tongue angle, coupler width, jack opening, and hitch ball size before welding |
| Important Note | Welding should be performed by a qualified welder. Confirm trailer GVWR and tongue configuration before installation. |
Top Features
| Feature | Buyer Benefit |
|---|---|
| 14K Capacity | Built for heavy-duty trailer applications up to 14,000 lb gross trailer weight. |
| 2-5/16" Ball Socket | Matches common heavy-duty trailer hitch ball setups. |
| Weld-On A-Frame Design | Designed for permanent installation on compatible 50-degree A-frame tongues. |
| Lockable Latch | Provides a latch design that can accept a compatible coupler lock. |
| Built-In Jack Mount | Integrated jack opening supports standard A-frame trailer jack installation. |
Overview
The CA5400 is a heavy-duty weld-on steel A-frame trailer coupler for trailers using a 2-5/16" hitch ball. It is rated for 14,000 lb gross trailer weight and 2,100 lb maximum tongue weight, making it a strong replacement choice for compatible equipment, utility, flatbed, cargo, and heavy-duty trailer builds using a standard 50-degree A-frame tongue.
R&P Service Insight
Coupler replacement is a structural trailer repair. Before cutting off or welding on a new coupler, verify the trailer tongue angle, coupler width, jack mount location, hitch ball size, and required trailer weight rating.
- Weld Prep: Remove paint, rust, oil, and contamination from the tongue area before installation.
- Alignment: Center the coupler on the tongue and confirm jack clearance before final welding.
- Rating Match: The coupler rating should meet or exceed the trailer’s actual GVWR requirements.
R&P Knowledge Hub
Compatibility: Designed for standard 50-degree A-frame trailer tongues using a 2-5/16" hitch ball. Verify measurements before ordering.
Trailer System Fit: Commonly used on heavy-duty A-frame trailer tongues where a weld-on coupler and standard A-frame jack mount are required.
Installation Notes: This is a weld-on part. Confirm tongue geometry and jack mount alignment before welding. Do not rely on part number alone when replacing an existing coupler.
Performance Insight: A properly matched coupler keeps the trailer connection secure at the hitch ball and must be selected according to ball size, trailer rating, tongue style, and installation method.
Brand & Fitment Note
Selling Brand: Aftermarket / R&P-supplied trailer coupler
Application Reference: CA5400 is used as an application and part-number reference for this weld-on 14,000 lb A-frame coupler.
What This Means: This listing is for one aftermarket weld-on A-frame trailer coupler, not a guaranteed OEM-branded item unless specifically stated.
Before Ordering: Verify ball size, trailer tongue angle, gross trailer weight rating, tongue weight requirement, jack mount opening, and overall dimensions before installation.
R&P Repair Insight
Replace a trailer coupler when the socket, latch, or mounting area is worn, damaged, distorted, or no longer secures properly to the hitch ball. A coupler that does not latch cleanly or shows visible structural damage should not be ignored.
- Ball Fit Check: Confirm the trailer is set up for a 2-5/16" hitch ball before ordering.
- Tongue Check: Confirm the trailer uses a standard 50-degree A-frame tongue and that the rear coupler width works with the trailer frame.
- Jack Check: Confirm the jack mount hole and three-bolt jack pattern match the jack being reused or installed.
Features
Heavy-Duty 14,000 lb Rating
Rated for 14,000 lb gross trailer weight with a 2,100 lb maximum tongue weight rating for compatible heavy-duty trailer applications.
2-5/16" Hitch Ball Fit
Designed for trailers using the common 2-5/16" heavy-duty hitch ball size.
Weld-On A-Frame Mount
Built for weld-on installation to compatible standard 50-degree A-frame trailer tongues.
Raw Steel Construction
Raw steel oily finish is suitable for weld preparation and final finishing after installation.
Lockable Latch Design
Latch style is designed to accept a compatible coupler lock for added trailer security when parked or connected.
Integrated Jack Mount Opening
Includes a standard A-frame jack mount opening with three threaded mounting holes for 9/16" bolts.
Included Components
| Quantity | Item |
|---|---|
| 1 | CA5400 weld-on steel A-frame trailer coupler for 2-5/16" hitch ball |
| Not Included | Trailer jack, jack mounting bolts, coupler lock, hitch ball, safety chains, welding supplies, paint, and installation hardware |
