SAS Fortress Trailer Hitch Lock - FORTA
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eBaySAS Fort A Trailer Hitch Lock For Knott Ifor Williams Couplings ALKO Insurance
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SAS Security Coupling Lock Knott Alko Winterhoff Hitch Cage Insurance ApprovedFree delivery in 1–3 days£99.45Visit shop →
SAS FORT A Trailer Hitch Lock, Fits Ifor Williams, Knott Avonride CouplingsFree delivery in 1–3 days£107.72Visit shop →
SAS Fortress Hitch Lock For Caravan / Trailer Hitch Lock 2110761Free delivery in 1–3 days£109.90Visit shop →
SAS Fort A Fortress Knott Trailer Coupling Hitch Lock to Suit Ifor Williams KFGFree delivery in 1–3 days£109.95Visit shop →
OnBuy.comSas Products Hitch Lock Fortress A For Avonride Hitch/Ifor Williams Trailer Forta 5060706250166
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Product Information
Full details
The SAS Fortress Trailer Hitch Lock is the ideal security solution for caravan and trailer owners who require a heavy-duty, versatile locking mechanism to prevent unauthorized towing. Designed specifically for Avonride and Nugent couplings, this lock offers a significant security boost by covering both the hitch head and the mounting bolts, ensuring your trailer remains securely attached or immobilized. While it provides excellent protection against theft, potential users should note that its robust, specialized design requires precise alignment during installation to ensure the locking mechanism engages correctly.
All features
| Model Part Number | FORTA |
|---|---|
| Brand | SAS PRODUCTS |
Extended Product Information
FAQs
Can I use this on a standard hitch?
No, the SAS Fortress is specifically engineered for Avonride and Nugent coupling designs.
Does it lock while the trailer is attached to my car?
Yes, this lock is designed to protect your trailer both while hitched to a tow vehicle and while parked unhitched.
How do I maintain the locking mechanism?
Clean the lock regularly with a damp cloth and apply a silicone-based lubricant to the cylinder at least every few months.
What should I do if I lose the keys?
Contact SAS Products support directly with your key code; avoid forcing the lock as it may damage your trailer hitch.
Is the lock weather-resistant?
Yes, it is designed for outdoor use, though regular cleaning and lubrication will extend its service life in harsh environments.
Troubleshooting
Lock will not engage fully
Check that the hitch handle is in the fully closed position and that no debris is obstructing the locking pins.
Key is difficult to turn
Apply a small amount of graphite or silicone-based spray lubricant into the keyway and work the key gently to distribute.
Lock feels loose after installation
Ensure the lock is correctly seated over the mounting bolts; adjust the trailer position slightly to ensure the lock housing is flush against the hitch.
Pros and Cons
Pros
- Protects both hitched and unhitched trailers
- Covers vulnerable mounting bolts for added security
- Specifically engineered for Avonride and Nugent systems
- Heavy-duty construction acts as a strong visual deterrent
- Compact and relatively easy to store when not in use
Cons
- Limited compatibility beyond Avonride and Nugent couplings
- Requires precise alignment which can be tricky on uneven ground
- Heavier than standard generic hitch locks
- Requires consistent maintenance of the locking cylinder
Setup, Compatibility & Care
To install, position the lock housing over the hitch head, ensuring the locking plate aligns with the bolt protection features. Use the provided keys to secure the cylinder in place. Because this lock relies on precise metal-to-metal contact, keep the locking pins and cylinder free of grit and debris by using a silicone-based lubricant periodically. Always verify that your specific hitch model is listed as an Avonride or Nugent variant before use to ensure a proper fit. Store the keys in a secure location, preferably separate from the trailer keys.