Hitch Coupler Lock

casadesaraymatt · January 2019

Hey Everyone, I was wondering what brand/model of hitch coupler locks (if any) everyone is using? I have tried two different models so far (Fastway Fortress and Masterlock 34) and in my opinion neither of them has fit securely on the yoke-style coupler of the T@B 400. Does anyone have any advice on locks that fit well on the T@B 400? We are keeping our camper at a RV and boat storage facility, that is fenced and gated, but I still would like a bit more security for our investment while in storage, as well as in campgrounds when we are traveling. Thanks in advance!

klenger · January 2019

This one was recommended by another member. Watch the demo videos. Quite impressive, but very pricey. I have not confirmed that the one at this link is the right P/N for the T@B, so confirm if you order. Maybe we should see if they would support a discounted group-buy.

https://www.provenlocks.com/collections/2-trailer-coupler-locks/products/model-2178-a?variant=24795886917

Sharon_is_SAM · January 2019

Here are some searches from the forum and a quote from RV veteran Dale Helman. This topic has been discussed a great deal and you will find more info under the Categories “Trailers and Towing”.

https://tab-rv.vanillacommunity.com/discussion/comment/108128#Comment_108128

https://tab-rv.vanillacommunity.com/discussion/comment/108339#Comment_108339

Dalehelman Posts: 1,686Member
December 2018 edited December 2018 107.77.205.227

“A thief doesn’t even need a hitch. T@bs are light enough that just by wrapping the safety chains around the ball they can quickly tow your trailer away. They will deal with lock later. A better choice might be a wheel lock and tamper proof lug nuts.”

casadesaraymatt · January 2019

@klenger I looked at that one, but not sure if I'm ready to spend that much money just yet.
@Sharon_is_SAM Thanks. I looked through all of the threads you mentioned. Lots of opinions and suggestions, but I guess I'm asking for specific brands/models that people are actually using and are happy with.

klenger · January 2019

@casadesaraymatt I know where you're at. Once I figure out which P/N to buy, I'll probably bite the bullet. Buying a good lock in the future doesn't protect you today. I may use a 2-step approach: (1) the hitch coupler lock, and (2) long cable and lock to a bollard post at the back of my storage spot. I suppose step 3 is State Farm Insurance.

tabiphile · January 2019

Be careful if you decide to use locking lug nuts...they are notorious for stripping rendering your wheels un-removable when you need to take them off. A flat tire repair on the side of a busy road is not a time to deal with locking lug issues...but that's when it will happen. The key/adaptor also gets lost....
Odds of anyone stealing your wheels are far lower than those of dealing with a flat......

klenger · January 2019

On the subject of hitch coupler locks, I am planning to use a DeadBolt brand BLOCKHEAD trailer coupler lock from etrailer, because I can get keyed-alike locks for the coupler upper mechanism and ball mount bar locks. See them at https://www.etrailer.com/s.aspx?qry=TCL

I have not taken delivery of the T@B yet (delivery on 01/24/2019 in Mesa AZ), so I don't have the dimensions of the coupler to know which lock to order. Could someone please measure the width of the lower flat lip of the coupler, preferably on a 320? See attached pictures for the possible dimensions. The dimension I am most interested in is the wider lip measurement. The measurement should be either 3-3/4" or 4-9/16". Thank you.

Image: https://us.v-cdn.net/5021717/uploads/editor/aa/u28ch9v0un50.png

Image: https://us.v-cdn.net/5021717/uploads/editor/bd/gnjsaak64v2c.png

dragonsdofly · January 2019

@klenger, we have the blockhead lock. Bought the smaller lock first, but it was too narrow to fit. Had to get the larger size to fit. We do however, use the brahma wheel lock as the definitive measure of security. Good luck.

klenger · January 2019

Thank you. That would be the yellow one above.

What complicates this issue is that the smaller lock is claimed to be used for both the 1-7/8" and 2" couplers and the larger lock is claimed to be used for the 2" and 1-5/16" couplers, but no mention of how to determine which one to use for the 2". Thus my question on the width of the lower flat lip.

mgreen2 · January 2019

I looked at these for a long time and decided on this one. Simple design and will do as well as the more expensive ones. Nothing is failsafe.

https://www.amazon.com/Connor-Adjustable-Trailer-Lock-Coupler/dp/B00VGL76CM

klenger · January 2019

@mgreen2: I'm actually taking a belt and suspenders approach to the hitch coupler, using both a Deadbolt padlock on the upper latch and the blockhead lock on the lower ball socket. What's nice with the Deadbolt brand is that I can get them keyed alike. I will also get a 5/8" lock for the ball mount to receiver hitch as well as some locks for my bike rack, all using the Deadbolt brand locks, all keyed alike.

klenger · January 2019

Dfisher · August 2019

Someone had a good point in one of the forum. If the coupler assy is bolted on, could not the thief just unbolt and pull his TV close and attach the chains tight enough to get away? DaleF

Sharon_is_SAM · August 2019

@Dfisher, yes. Light weight trailer and a determined thief.

TNOutback · August 2019

I have purchased the Proven Industries Model 2178-A for our 400. Still waiting to get our 400, but I have the coupler lock in hand already. It is a big hunk of thick steel all around with a puck lock. It also locks up your safety chains so they cannot be used either. Check out their website and the videos they link showing how common coupler locks are easily defeated within seconds. I was shocked when I saw the videos. Proven’s locks are not cheap: $250 delivered, but I feel much more confident my trailer will be where I leave it.

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