Looking for Coupler Lock for Big Tex Trailer 30SA
Updated 09/02/2025 | Published 08/14/2025
Question:
Hello I have a big Tex trailer it’s a model 30SA 5x8 and wanted to know what coupler lock for the tongue do you suggest. What option or options? Thanks, Michael
asked by: Michael B
0
Expert Reply:
Hey Michael, what type of coupler is on your Big Tex trailer? I don't have a way to look that up and it could have been replaced at one point so if you could get me that I would be able to tell what would work best. If its a trigger style coupler though you could use the Trimax lock set part # TMX43SR that you referenced.
expert reply by:
Jameson C
0
Product Page this Question was Asked From
Trimax 2" Hitch Receiver Lock and Surge Brake Coupler Lock Set - Keyed Alike
- Trailer Hitch Lock
- Standard Pin Lock
- Keyed Unique
- Stainless Steel
- Fits 2 Inch Hitch
- Flush Pin
- 2-1/2 Inch Span
- Trimax Locks
more information >
Continue Researching
- Article: How to Measure for Trailer Hitch Drop
- Search Results: trimax
- Search Results: military discounts
- Q&A: Can I Tow With the Trimax 2" Hitch Receiver Lock and Surge Brake Coupler Lock Set
- Video: Checking Out the Trimax Right-Angle Receiver Lock
- Search Results: coupler lock
- Search Results: tounge lock
- Video: A Closer Look at the Trimax Hitch Receiver Lock and Coupler Lock Set
- Video: Review of Trimax Locks Trailer Hitch Lock - 2 Inch Hitch Lock Surge Brake Coupler Lock - TMX63SR
- Video: A Closer Look at the Trimax 2" Hitch Receiver Lock and Coupler Lock Set
- Video: A Closer Look at the Trimax Anti-Rattle Trailer Hitch Receiver Lock
- Q&A: Recommended Coupler Lock For A Big Tex Trailer With A Sliding Round Coupler
- Shop: Trimax 2" and 2-1/2" Receiver Lock and Adjustable Coupler Latch Lock Set - Keyed Alike
- Shop: Trimax 2" Hitch Receiver Lock and Surge Brake Coupler Lock Set - Keyed Alike
- Shop: Trimax Right-Angle Receiver Lock for 2" and 2-1/2" Hitches - 3-1/2" Span - Chrome
- Shop: Trimax 2" Hitch Receiver Lock and Surge Brake Coupler Lock Set - Keyed Alike
- Shop: Trimax Lock Pin Set for 2" Adjustable Hitches - 5/8" and 1/2" Pins - Keyed Alike
- Shop: Trimax Anti-Rattle Trailer Hitch Receiver Lock for 2" Hollow Ball Mounts - 2-3/4" Span
- Shop: Flint Hill Goods Trailer Coupler Lock - 7/8" Span - Black Steel
- Q&A: Recommended TorkLift Tie Downs for a 2024 F-350 w/a 8' Bed and Factory Hitch
- Article: The 5 Best Trailer Drop Hitches You Can Buy
- Q&A: How to Replace a Lance 6-Pin Plug w/ a Standard 7-Way Connector
- Q&A: Is There a Replacement Mounting Bracket Available For a Furrion FOD43TA-BL Monitor
- Q&A: Recommended Trailer Coupler Lock With 2-1/2" Span That Can Be Keyed Alike
- Q&A: What's the Difference Between the Deutsche Hydrapro Alpha G-1600 and the DeeMaxx Alpha G1600?
- Article: Towing a Trailer? Let's Talk About Brake Controllers
- Article: Is It Illegal to Leave My Hitch on My Truck?
- Article: Wiring Trailer Lights with a 7-Way Plug (It's Easier Than You Think)
- Article: How to Install E-Track in 3 Easy Steps
- Article: Camping Tips for First-Time RVers
Jameson C.
9/2/2025
Hey Michael, did you find out what type of coupler is on your Big Tex trailer? If you still need help figuring out the best lock, I'm here to assist!