
5/16" Heavy-Duty Trailer Safety Chain with Latching Hook – 11,700 lb Rating – 37" Overall Length
One heavy-duty zinc-finished safety chain designed specifically for trailer safety-chain applications involving heavy loads.
Key Measurements & Specs
| Specification | Detail |
|---|---|
| Part Number | HL34 |
| Product Type | Trailer safety chain with latching hook |
| Chain Size | 5/16" |
| Listed Rating | 11,700 lb |
| Overall Length | 37" |
| Finish | Zinc finish |
| Item Weight | 4 lb |
| Quantity Included | One safety chain |
Fitment / Application
| Category | Details |
|---|---|
| Application | Trailer safety-chain applications |
| Load Use | Designed for heavy-load trailer applications |
| Selection Check | Confirm the required chain rating, chain size, length and attachment style before ordering. |
| Quantity Warning | This listing includes one chain. Trailer configurations commonly require two properly rated safety chains. |
| Prohibited Use | Not for overhead lifting |
Top Features
| Feature | Buyer Benefit |
|---|---|
| 11,700 lb Rating | Provides a heavy-duty safety-chain option for compatible trailer applications. |
| 37" Overall Length | Provides the specified reach for compatible trailer and tow-vehicle connections. |
| Latching Hook | Helps keep the hook secured at a compatible attachment point. |
| Zinc Finish | Provides a finished exterior for trailer use. |
Overview
This listing is for one 5/16" heavy-duty trailer safety chain with a latching hook. The chain has a listed 11,700 lb rating, measures 37" in overall length and features a zinc finish. It is designed specifically for trailer safety-chain applications and is not intended for overhead lifting.
R&P Service Insight
Safety chains should be selected according to the trailer’s loaded weight, required chain rating and applicable towing requirements.
- Check the quantity: This listing includes one chain only.
- Check the reach: Confirm that the 37" overall length works with the trailer and tow-vehicle attachment points.
- Check the rating: Each installed chain should be properly rated for the intended trailer application.
R&P Knowledge Hub
Compatibility: Intended for compatible trailer safety-chain applications requiring a 5/16" chain, latching hook, 37" overall length and the listed 11,700 lb rating.
System Fit: Safety chains provide a secondary connection between the trailer and tow vehicle if the primary coupling connection separates.
Connection Check: Verify that the hook and attachment points are compatible and that the chain can move through turns without binding or dragging on the roadway.
Important Limitation: This chain is designed for trailer safety-chain applications only. It must not be used for overhead lifting.
Brand & Fitment Note
Part Reference: HL34
Application Reference: Trailer safety-chain applications requiring the listed measurements, configuration and rating.
What This Means: Compatibility should be determined by the chain rating, chain size, overall length, hook configuration and the trailer’s attachment requirements.
Before Ordering: Confirm the number of chains required for your trailer and review all applicable towing laws and requirements for the locations in which the trailer will be operated.
R&P Repair Insight
Inspect trailer safety chains and their attachment points before towing. Replace a chain when its condition or configuration makes it unsuitable for safe service.
- Inspect the links: Look for stretched, bent, cracked or heavily worn chain links.
- Inspect the latch: Confirm that the hook latch closes and operates properly.
- Inspect the connection: Verify that the trailer and tow-vehicle attachment points are secure and compatible with the hook.
Features
Heavy-Duty Trailer Rating
The chain carries a listed 11,700 lb rating for compatible heavy-load trailer safety-chain applications.
5/16" Chain Construction
The specified 5/16" chain size makes it easier to compare this chain with the trailer’s existing equipment and requirements.
Integrated Latching Hook
The attached hook includes a latch to help keep it secured at a compatible tow-vehicle attachment point.
37" Overall Length
The complete chain measures 37" overall for use where this connection length is appropriate.
Included Components
| Quantity | Part Number | Included Component |
|---|---|---|
| 1 | HL34 | 5/16" heavy-duty trailer safety chain with latching hook, 11,700 lb listed rating and 37" overall length |

