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  1. A-Frame Trailer Coupler
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  5. 15000 lbs GTW
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Bulldog Heavy-Duty Cast Head Coupler w/ Wedge Latch - 2-5/16" Ball - A-Frame - 15,000 lbs
Bulldog

Bulldog Heavy-Duty Cast Head Coupler w/ Wedge Latch - 2-5/16" Ball - A-Frame - 15,000 lbs

Part Number: BD44150WH301
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$167.33
Retail:$219.58
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A-Frame Trailer Coupler
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Durable cast coupler features the easy-to-use Wedge Latch for simple, quick hookup and has a built-in attachment point for round, A-frame utility jacks. 1-800-940-8924 to order Bulldog a-frame trailer coupler part number BD44150WH301 or order online at etrailer.com. Free expert support on all Bulldog products. Great prices and Fastest Shipping for Bulldog Heavy-Duty Cast Head Coupler w/ Wedge Latch - 2-5/16" Ball - A-Frame - 15,000 lbs. A-Frame Trailer Coupler reviews from real customers.
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  • Reviews (136)
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  • Videos (2)
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Bulldog A-Frame Trailer Coupler - BD44150WH301

Highlights

  • Heavy-duty 15,000 lbs capacity: Ideal for utility, livestock, and cargo trailers.
  • Easy Wedge Latch design: Simplifies hitching with secure and quick coupling.
  • A-frame configuration: Fits standard 50-degree trailer tongues effortlessly.
  • Bolt-on convenience: Install without the need for welding, using standard tools.
  • Compatible with 2-5/16" ball: Ensures versatile use with common towing setups.
  • Built-in jack attachment: Quick mounting for 2-1/4" round utility jacks.

Features to know about

Switch Between Trailers Seamlessly: Wedge Latch Coupling System

Say goodbye to complicated coupling with the Bulldog Heavy-Duty Cast Head Coupler's innovative Wedge Latch system. Whether you're hitching a utility, livestock, cargo, or construction trailer, this design ensures quick, secure latching so you can switch trailers with ease and hit the road faster.

Versatility at Any Job Site: A-Frame Design with Built-In Jack Attachment

This coupler is perfect for those who use trailers for multiple projects. With its built-in attachment point for round, A-frame utility jacks, it provides quick and easy jack installation, making it ideal for 50-degree trailer tongues. Now you can rely on the same dependable coupler across different trailers.

Built for the Long Haul: Heavy-Duty Construction with 15,000 lbs Capacity

Designed to withstand the rigors of regular towing, this coupler supports up to 15,000 lbs Gross Trailer Weight. It's perfect for those heavy loads, giving you peace of mind on long journeys and ensuring your cargo stays secure.

Adapts to Your Setup: Bolt-On Convenience

No welder at home? No problem. This Bulldog coupler offers bolt-on convenience. With its easy bolt-on installation, you can securely attach it to your trailer without needing specialized equipment, saving you time and effort.

Perfect Fit Every Time: Compatible with 2-5/16" Ball and 50-Degree A-Frame

Tailored to fit a 2-5/16" hitch ball and designed for a standard 50-degree A-frame trailer frame, this product ensures a snug fit every time. It caters to a variety of trailer setups, making it an indispensable component in your towing kit.

Rugged When It Counts: Endures Tough Environments

Made from durable cast materials, this coupler is ready for whatever you throw at it. It's designed to withstand the harsh conditions at construction sites or farmland, ensuring reliable performance no matter where your road leads.

Specs

Application

  • Type: 50-degree A-frame

Dimensions

  • Ball size: 2-5/16"
  • Hole diameter for jack: 2-1/4"
  • Length: 18"

Weight and Capacity

  • Capacity: 15,000 lbs

Warranty

  • Limited warranty: 5-year

44150WH301 Bulldog Wedge-Latch Cast Head A-Frame Bolt On Coupler - 15,000 lbs




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Video of Bulldog Heavy-Duty Cast Head Coupler w/ Wedge Latch - 2-5/16" Ball - A-Frame - 15,000 lbs

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Complete Breakdown of the Bulldog Heavy-Duty Cast Head Coupler w/ Wedge Latch

Ryan: How's it going Ryan here at etrailer.com. Today we're going to be taking a look at the line of bulldog heavy-duty cast head couplers with a wedge latch. This is going to be a great heavy-duty replacement option for you especially if your old one like we have here is rusty, bent, or even broken. Now, what I really like about this one is the fact that it has pre-drilled holes in it and that's going to allow us to bolt it on which can make life a lot easier because most of us don't either have the equipment or the know-how to actually weld a new coupler on your trailer. Now, one of the things I really like is the latch mechanism. It's really easy to use and sweet to operate.

You simply just pull your pin out and it's going to stay locked in the closed position.We're going to have a trigger down here and when we lift that up, we're able to raise a latch into the open position. There's going to be a hole here too so to keep it open, you can just take our pin and reinsert it. So to give you an example, whenever we pull back our wedge, that's going to open up, allow us to get our ball in so when we close it, that wedge is going to hold that ball in place. Now, the only thing I would really change about this is the fact that it does not come included with any hardware. But other than that, it's very simple to install.Speaking of which let's go ahead and put it all together now.

To begin your install, you're going to want to properly support the front of your trailer using some suitable jack stands because we're actually going to have to remove our jack. Our jack is going to be held in place with three bolts and so what I'm going to do is take a nine 16 inch wrench, put on the bottom side to prevent the nut from spinning and remove each bolt. Once we have all the bolts removed and simply slide it out and set it off to the side. Now, at this point, we can go ahead and remove the coupler itself. Now this is going to be held in place by five bolts on each side.

So again, I'll use my wrench to hold the nut on the backside and we can take all the bolts out.Once all these are out on one side, we'll just repeat that same process on the other side. With all the hardware removed now we can just lift our coupler off and set it to the side. I went ahead and used a wire brush just to kind of clean up our surface here and in our case, since our trailer frame is made from aluminum and the coupler made from cast and I'm going to do is just put a little layer of anti-seize on our surface, just to help prevent any corrosion. We can take our new coupler, set it in place and put our bolts back through. Now I'm using some new hardware, which I would recommend, however, it is sold separately.Now I'm only going to put the back four in on each side for now because this hole is where I'm going to attach our safety chains.

Now with the back four bolts in place on each side, we can go ahead and snug all of our hardware down. Now to attach our safety chains, what I'm going to do is take the end of our chain, a bolt with a flat washer on it, push it through and on the other side, let's take another flat washer, run that through. Then we can simply just put it through that last hole and secure it on the backside. Once we have a hand tight, you can then go ahead and snug it down. Let me go ahead and repeat that process on the other side. Now we can go ahead and torque all of our hardware down.Once everything is torqued, you can go ahead and drop your jack back through. Rinse all the hardware and tighten everything back down and that'll finish up our look at of the line of bulldog heavy-duty cast head couplers with the wedge latch..

Customer Satisfaction Score:

Ratings & Reviews

4.8

136 reviews
Durable cast coupler features the easy-to-use Wedge Latch for simple, quick hookup and has a built-in attachment point for round, A-frame utility jacks.

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See what our Experts say about this Bulldog A-Frame Trailer Coupler

  • Availability Of 2-5/16" A-Frame Coupler With Holes That Match Bulldog BD43805W0317
    Hello Robert, thanks for reaching out. Looking over all the 2-5/16" ball couplers we offer, I am not seeing we have anything that has holes that would match up with the holes on your # BD43805W0317 coupler. Your best bet would be to take a coupler like that Bulldog # BD44150WH301 you mentioned and simply drill new holes in the side of the coupler to match the holes on your trailer tongue.
    view full answer...
  • Coupler Lock Recommendation for a Bulldog Heavy-Duty Cast Head Coupler
    Hi Nick! The BulletProof Hitches Extreme Duty Coupler Lock # BPH96VR is a great way to lock up the Bulldog Heavy-Duty Cast Head Coupler # BD44150WH301 you're looking at. Are you building your own trailer, or replacing an old coupler?
    view full answer...
  • Yoke Style Coupler Replacement for 2-5/16 Inch Hitch Ball Compatibilty
    Unfortunately we don't have a repair kit at this time. If you choose to replace the entire coupler, I recommend the Bulldog Collar-Lok Coupler w/ Low-Profile Latch - 2-5/16" Ball - A-Frame - 12,500 lbs # BD028499. For a bolt on option, you may be interested in the Bulldog Heavy-Duty Cast Head Coupler w/ Wedge Latch - 2-5/16" Ball - A-Frame - 15,000 lbs, # BD44150WH301, that has the wedge latch.
    view full answer...
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  • Bolt-on Trailer Coupler to Replace Bulldog # BD028463
    You could drill into the Bulldog # BD028463 and make it a bolt-on but that's not really ideal. We don't have the exact match in a bolt-on model. We do have part # BD44150WH301 for a bolt-on Bulldog coupler. It has a higher rating but the price tag is quite a bit more. Another option is a Demco coupler. Part # DM16680-52 has even more weight capacity and a nice latch. It fits the same ball size and bolt pattern as well.
    view full answer...
    Image 1 for
  • What Hardware is Needed for the Bulldog Heavy-Duty Cast Head Coupler With Wedge Latch
    The Bulldog Heavy-Duty A-Frame Coupler, # BD44150WH301, does not come with the attachment bolts. I have attached two images showing the bolt pattern measurements and the bolt hole sizes. I would recommend using grade 8 bolts, but grade 5 is acceptable and the amount of bolts you will need will depend on how you plan on mounting the coupler. I would recommend using the bolt holes on the side of the coupler to mount to your trailer. I spoke with my contact for Bulldog and he said you will...
    view full answer...
    Image 1 for Image 2 for
  • Coupler Repair Kit for 1987 Airstream with 2-5/16-Inch Trailer Coupler
    Trailer makers like the good folks at Airstream generally don't keep track of the brand and model of coupler they install so you'll want to try to find branding and part number information stamped into the coupler on your trailer. We do have repair/rebuild kits and replacement parts for many brands and models of A-frame coupler that are displayed on the linked page. I also linked our page for 2-5/16-inch A-frame couplers, both bolt-on like # BD44150WH301 and weld-on like # CA-5400-B, in...
    view full answer...
  • Trailer Coupler Solution for a 30 Degree Trailer Frame
    All of the A-frame couplers we sell are designed to fit 50 degree frames. As long as you, or the person doing the welding, is a qualified welder who knows what they are doing you could use the # BD44150WH301 on your trailer and then have wedges used so that the angle of the trailer and coupler match up.
    view full answer...
  • Recommended Coupler For Aluminum NEO 24 NACX A-Frame Trailer
    The Sleeve-Lock A-Frame Trailer Coupler - Flip Latch - Black - 2-5/16" Ball - 12,500 lbs # CA-5296-B you were looking at is designed to be welded on and as you noticed, does not have the bolt holes available. Instead I recommend going with the Bulldog Heavy-Duty Cast Head Coupler w/ Wedge Latch - 2-5/16" Ball - A-Frame - 15,000 lbs # BD44150WH301 which will fit your NEO 24' NACX trailer perfectly and will not require you to weld the coupler on, making it a much easier install. Since your...
    view full answer...
  • Trailer Jack and Coupler Recommendation for Featherlite Bumper Pull Trailer
    The Bulldog coupler part # BD44150WH301 is a really great choice for your Featherlite trailer. It'll be very reliable and easy to use so you'll really like it. Then for an a-frame jack we have the zinc coated etrailer A-Frame Round Jack # TJA-5000S-B which has a 5,000 lb capacity. Like I mentioned this has the zinc coating you are wanting which will fight corrosion and has more capacity than you'll need which means it will raise and lower easily. Trailer jacks are rated for their lifting...
    view full answer...
  • Bulldog Heavy Duty Coupler to Replace Fulton Heavy Duty Coupler
    I attached a picture of the mounting holes for the Bulldog Heavy-Duty A-Frame Coupler, # BD44150WH301 that you referenced for you to check out so that you can compare them to the ones on your current coupler. Based on the picture you submitted this coupler should work as a replacement since Fulton and Bulldog are sister companies. Typically safety chains will attach to the trailers frame instead of the coupler. The idea is that if the coupler where to break off the safety chains would...
    view full answer...
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  • Replacement Coupler for Featherlite 1998 Horse Trailer
    Thank you for the picture of your coupler, because I can see what you have now we know that the Bulldog Coupler part # BD44150WH301 does fit and will work great.
    view full answer...
    Image 1 for
  • Adding Different Bolt-On A-Frame Trailer Coupler to Rusted Trailer in the Woods
    Well, that is a coupler, though it is in bad shape. It is a bottom mount or underslung coupler like # CA-5335-B. You can check the ball cavity to see if it is in working order but all that corrosion makes me think that using its coupler is not going to work. In order to use a regular coupler you will likely have to cut off that bottom mount coupler so a new coupler will be able to be lowered on the ball. The jack will also have to come out to be able to install a new coupler. As long...
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    Image 1 for
  • What Grade Bolts for Bulldog Heavy-Duty Cast Head Coupler and Can it be Welded to Trailer Frame
    I took a look at the instructions of the Bulldog Heavy-Duty Cast Head Coupler w/ Wedge Latch # BD44150WH301 and it specifies using grade 5 bolts with lock nuts. However, there is not a specified length for the bolts, and that will simply depend on the length you need to properly secure the bolts to your trailer. This is a bolt-on coupler but there is the same coupler which can be welded on if you prefer to go that route, the Bulldog Heavy-Duty Cast Head Coupler w/ Wedge Latch # BD44150WQ317....
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    Image 1 for
  • 2-5/16" Ball Trailer Coupler With Best Corrosion Resistance For Utility Trailer 7K lbs
    Hello Matthew, if I were you, I'd go with a coupler that has a strong powder coat finish, which is typically the best route to go for corrosion-resistance. The Demco 50-Degree A-Frame Trailer Coupler w/ Jack Hole and Anchors, eZ-Latch - 2-5/16" Ball - 21K # DM16680-52 is a great option. It can be bolted on or welded on (in your case bolted on since aluminum and steel don't play nicely when welding), and it has a really nice "eZ-Latch" which is super user friendly. It also has a strong silver...
    view full answer...
  • Coupler Lock Recommendation for a Bulldog A-Frame Coupler 44150WH301
    The best lock recommendation we'd have for your Bulldog Coupler part # BD44150WH301 would be the Fastway Lock part # FA86-0015-316. Although this is a universal style coupler lock it's design allows it to fit basically all coupler styles well enough to be a very effective coupler lock and it can be ordered "keyed alike." I attached a review video for this lock for you to check out as well.
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  • Fulton Coupler to Replace Bulldog Coupler BD44150WH301
    That specific coupler is no longer available, the closest thing we have is the Bulldog part # BD44150WH301 which is actually made by the same company as Fulton.
    view full answer...
  • Installation of Bulldog Heavy-Duty Cast Head A-Frame 2-5/16-Inch Coupler # BD44150WH301
    Bulldog Heavy-Duty Cast Head A-Frame 2-5/16-Inch Coupler # BD44150WH301 is intended for standard 50-degree a-frame trailer frames. This unit is a bolt-on item and its rated 15,000-lb capacity is based on it being installed using all mounting holes to evenly distribute forces. If you were to use only 8 of the 10 mounting holes there would be some undetermined loss of capacity. It is not possible to exactly predict this drop in weight capacity. I recommend drilling the additional holes, or...
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  • Bolt-On A-Frame Trailer Coupler Rated for At Least 14K and with a Center Hole for a 2-1/4 Inch Jack
    We have a bolt-on A-frame trailer coupler rated for 15,000 pounds, # BD44150WH301. It is the only bolt-on A-frame coupler we currently offer. It takes a 2-5/16 inch ball. The hole will accept an industry standard A-frame jack mounting pattern (holes 3 inches apart on center) and round tube with 2-1/4 inch outer diameter.
    view full answer...
  • Is Bulldog Heavy-Duty Cast Head Coupler Made of Cast Iron?
    The Bulldog Heavy-Duty Cast Head Coupler # BD44150WH301 is actually made out of cast steel. It also has a zinc finish in order to protect it from corrosion. This coupler has an A-frame design and mounts to a 50-degree trailer tongue. I've added a link to a video review of this product for you to take a look at.
    view full answer...
  • Recommended Trailer Jack to Use with Bulldog Heavy-Duty Cast Head Coupler # BD44150WH301
    I do have a solution for you, however the Bulldog Square A-Frame Jack referenced in your question will not work well with the Bulldog Heavy-Duty Cast Head Coupler # BD44150WH301. This is because this particular coupler features a 2-1/4 inch diameter hole that is designed to accept round tube trailer jacks, not a square design like the Bulldog model you mentioned. For this coupler, I instead recommend looking at the Bulldog Round A-Frame Jack # BD1550101344. This is another great 3,000...
    view full answer...
  • Trailer Hitch Extension For Truck Towing A Trailer and Truck Bed Camper
    I have a few suggestions for you, but we do not carry a trailer coupler that is longer than the Fulton 44150C that you already have. The simplest solution would be to replace the Convert-A-Ball cushioned ball mount that you currently have with an extended ball mount like the Curt Multi-Ball Adjustable Ball Mount, # D900. This ball mount is about 6 inches longer than most Convert-A-Ball ball mounts. Since I'm not sure what amount of rise or drop you need, I've attached a link to all of...
    view full answer...
  • Trailer Coupler Lock For Bulldog Coupler
    When using a bolt-on coupler such as the Bulldog # BD44150WH301, locks such as the Master Lock # ML389DAT help to prevent trailer theft. This product has a 1-Piece housing that slides to fit tightly around your coupler and 2 keys are included.
    view full answer...
  • Is There A Bolt-On Collar Lock Style Coupler For 5,000-7,000 lb Application?
    The only bolt on couplers we have meeting or exceeding the 5,000- 7,000 lb weight capacity are the Demco A-Frame Trailer Coupler w/ Jack Hole - eZ-Latch - Black - 2" Ball - Bolt On - 10K # DM14793-81 or similiar in different ball size or color. We also have the Bulldog Heavy-Duty Cast Head Coupler w/ Wedge Latch - 2-5/16" Ball - A-Frame - 15,000 lbs # BD44150WH301. Unfortunately we don't have any collar lock style couplers that aren't weld on
    view full answer...
  • Available Bolt-On A-Frame Trailer Couplers
    Sleeve-Lock A-Frame Trailer Coupler # CA-5296H-B is made for weld-on installation. We do have A-frame couplers that bolt on, like # BD44150WH301 and others shown on the linked page, but none of these is a sleeve lock type. Drilling the coupler to allow bolt-on installation could result in a reduced capacity. The trouble is that there is no way to know exactly what effect drilling has without actually testing the coupler. The part has never been tested in this way and so you would be in...
    view full answer...


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