Looking for Coupler Lock for Big Tex Trailer 30SA

Question

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

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!

Answer 1

Hi Danny, I am sorry you got misleading answers initially. Yes, you can use the hitch receiver lock part #TMX43SR while towing your teardrop trailer with the Toyota 4Runner. The lock included with this kit, locks the latch of your trailer coupler so…

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Answer 2

It sounds like your Big Tex car hauler trailer uses a collar lock coupler like the Bulldog Collar-Lok Coupler #BD028442. The most secure lock for a coupler like this will be the Blaylock Total-Encasement Coupler Lock. We have part #BLTL-23 for a…

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Answer 3

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 4

Hey Jim. Yes, there are two options depending on where you would like the lock to be. There is the coupler lock #e98888 that goes through the couplers pin hole to prevent the latch from opening. Then, you have the Blaylock EZ Lock #BLTL-33-40D that…

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Answer 5

Hey Lucas! I measured the Buyers Products Weld-On Receiver Tube #337RT25824B in our warehouse using my digital caliper, and it has an exact outer diameter of 2.54", so I don't believe it will work with your truck's 2-1/2" receiver.…

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Answer 6

We definitely know about the issue you are referring to. We have just the part for you! Furrion recently came out with a brand new adapter for your 2022 GMC Sierra 1500 Limited to work with your camera system. The part you need is the 7-Way Vehicle…

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Answer 7

Hello Jay, I’m curious what panel you’re planning to use. How many panels will you be running, and what is the total wattage? I want to make sure the controller I recommended is properly sized for your setup. Right now, your camper has the Go Power…

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Answer 8

Congrats on the new car. I can definitely help set you up with everything you need. Lets start with the base plate and work our way from there. For the 2023 Maverick I recommend using the Roadmaster direct connect #RM97RR. Roadmaster make a great…

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Answer 9

According to my contact at TST, going with the internal sensor would have the following benefits: • Battery Life. The internal sensors can be expected to last 5+ years, versus about 1 to 1-1/2 years for the external. • Protection: By virtue of the…

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Answer 10

Yes, the Go Power DuraLite Portable Solar Panel with Digital Solar Controller #GP66FR works with Zamp solar plugs. It comes with XLR-style and SAE solar plugs, which work with RVs that are pre-wired for solar, including Zamp solar ports.

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Answer 11

I am not exactly sure which particular ball mount this is in reference to but the one you came from, the Draw-Tite Ball Mount for 2" Hitches part #2753 can be inverted to increase rise up to 2-3/4". This is the case for most ball mounts as…

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Answer 12

Good question, Bill! Kind of surprised we don't have that listed anywhere, but the BulletProof Hitches Aluminum Adjustable 2-Ball Mount - 2-1/2" Hitch - 6" Drop/Rise - 14K #BPH77MR weighs right at 19.5 pounds. This makes it the lightest…

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Looking for Coupler Lock for Big Tex Trailer 30SA

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