Very sturdy hitch hook. I put it on my truck because my friend had one (on the advice of his father) to minimize rear end accidents. I was rear ended last month, and it did its job. Yes, my truck had damage that was fixed by the other guy's insurance company, but I think it kept the damage to a minimum, and sadly damaged the other guy's radiator. Also, when I got high centered in the snow last winter, the guy who winched me out attached to this and dragged me to safety. This is a basic, very solid, unit. I expect to keep it for the life of my truck.
Those pins are debatably fine for towing, if they are the right strength. Grades of bolts basically indicate their hardness and therefore tensile strength. Grade 2 (normal cheap stuff) you can bend a few times and still have a viable bolt for holding a picture on your wall. They're pretty soft. The one thing they don't do well is high tensile forces. The soft steel will either strip the threads or literally pull the fastener apart. Grade 5 bolts add a significant amount of tensile strength but can still take side loads with composure. They will bend a decent amount before breaking. Grade 8 bolts are very high tensile strength. They are best used in applications where their entire load is tension. They don't like to bend. I used to use grade 8 bolts through a chain link to hoist engines until I lost one. I had a grade 8 bolt threaded in the whole way into a head. It didn't bend a bit before shearing off flush with the head. I won't talk about the brand new polished aluminum oil pan or $400 radiator that bit the dust in the process. 

Today we're going to be taking a look at part number BDW20181. This is the Bulldog Big Dog Shackle. This is the huge oversize shackle that's going to give that truck a nice, big truck look. This portion right here is going to slide into your 2" by 2" trailer hitch receiver. It's going to be great for work trucks that use very large straps.	It's going to feature an 1-1/2" diameter forged alloy steel shackle. It has a really nice zinc plating on it so it is going to stand up really well against rust and corrosion.

Love the Bulldog winch 3/4" ×1-1/4 shackle. Its very strong, works & looks great, on my Scrambler 1K. I've had the bulldog for over a year now and it has not let me down. I had a difificult time finding a shackle of this size and quality here in Canada. Until I came across etailer.com. I would definitely recommend this shackle for any atv/utv with a 1-1/4 hitch. I need to get 2 more for the RzR & Ace and for me it's a no brainer where I'll be ordering again from etrailer.com made easy. Thanks 547879
Heavy, solid, and it fits the 2″x2″ receiver perfectly. A 5/8″ locking hitch pin is now needed. Has to be a locking type because this shackle is so attractive a thief could hardly pass it up. In doing research, I found that hitch pins come in different lengths; I had bought one that was a bit too short to pass through the holes in my Toyota Tacoma receiver, which has 1/2″ thick walls. So beware.
24x48 Outside dimensions. Hitch-mounted cargo carrier with lockable lid offers 13 cu ft of storage space, and it folds flat and tilts up against your vehicle when not in use. Walls provide vertical to the rear of your vehicle Lockable lid minimizes the need for cargo nets or tie-down straps Deters theft when used with a padlock (sold separately) with a 3/8" diameter shackle Mounts to Carpod sidewalls
You can see the large opening space that we have here. I'll take a measurement of that here in a moment. On the shackle itself it's going to give you the diameter which again is 1-1/2" and then on this side it's going to say WLL, that's working load limit, of 17 tons. This is CNC machined when it comes to the solid steel mount. You can see here on the back side solid steel construction. It has a really nice nickel plating on it so it's going to stand up really well against rust and corrosion too. You're going to notice that it's going to have a 5/8" pin hole here on the side as well as here on the top.
They put a nice little hole in here so you can stick a piece of metal or steel through there, a long piece, that way you can get some leverage and get it tightened down all the way. That's going to make it for an easier removal as well. Ours is loosely installed today so I can simply just do it by hand, simply just twist it counterclockwise until it disengages. Then you'll be able to pull it all the way out. That's going to do it for today's review of part number BDW20181. This is the Bulldog Big Dog Shackle. .
Whether you are moving, attaching a trailer to your truck, or simply preparing for the future, truck hitches are a great way of ensuring that your truck can always haul everything that it needs to. Truck hitches are a very effective tool that can be used for hooking up your truck to a separate trailer or anything that has wheels and the opposite truck hitch for connecting it. Although there are many benefits that can come with owning your own truck hitch, many people are turned off by the ridiculous prices that some outlets offer.
Alibaba.com offers 4 big shackle hitch products. About 50% of these are trailer parts. A wide variety of big shackle hitch options are available to you, such as trailer plugs, trailer suspension. You can also choose from paid samples. There are 4 big shackle hitch suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of big shackle hitch respectively. Big shackle hitch products are most popular in Mid East, Southeast Asia, and South America.
A Class 1 or Class 2 receiver has a 1-1/4” opening and is typically only used on cars for towing small trailers or supporting a bike rack. Class 3 and Class 4 receivers have a 2” opening. You'll find these on larger SUV's (the body-on-frame type, not crossovers,) and pickup trucks. A Class 3 receiver can handle up to 6,000 lbs (depending on design,) while a Class 4 can go up to 10,000 lbs. (Again, that's design-dependent.)
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