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Hinge pins are welded to either the outer frame or the gate/door and then inserted into the welded hinge pin nipples to create custom, heavy-duty hinges. Greasable pins feature a grease zerk for lubrication.
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Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Today were going to review part number HP344G. This is the Redline -inch diameter greasable hinge pin. This hinge pin is designed to be welded to either the outer from of the trailer or the gate and door of the trailer, and then it is inserted into a hinge pin nipple to create a custom heavy duty hinge. Greasable pins featured this grease zerk fitting on the end for lubrication. In other words, when you hook the grease gun up to the zerk fitting and pump in the grease, this hole here will allow it to come out and lubricate this section here which will be inserted into a hinge pin nipple. This part is great for building your own hinge.
Its also great for trailers in agriculture applications. A few measurements on this; the length is 4 inches, the base diameter is going to be 1 inch and the diameter that slides inside the hinge pin nipple is going to be 0.75 or of an inch. Now the part number for the hinge pin nipple that is normally used with this hinge pin would be HPN342 and that is this part right here which is sold separately. In other words, the hinge pin would insert right into this nipple and when you pump it with grease it would lubricate the connection. That should do it for review on part number HP344G..
Average Customer Rating: 4.9 out of 5 stars (28 Customer Reviews)
Hinge pins are welded to either the outer frame or the gate/door and then inserted into the welded hinge pin nipples to create custom, heavy-duty hinges. Greasable pins feature a grease zerk for lubrication.
The trailer door hinge lock works great. The only complaint I had was the ends don't fit the pipe very snug so i drilled and tapped some holes and added set screws.
I used this to repair a Haulmark ramp door hinge that the Haulmark factory had only tack welded to the frame. Welded to the existing door tab and welded the mating sleeve to the trailer frame and I am back in business. Works better than the original for smoothness
These ramp door hinges work great, a big upgrade from my original setup that couldn’t be lubricated and eventually rusted together
Going to use two of these for a heavy duty swing away tire carrier that I am making for my offroad buggy. I think that it will be plenty strong and like the serviceablity of the zerk.
Parts as described, great price on shipping, excellent service before and after the sale. I will continue to shop here for my trailer parts needs.
Second time I have bought from these guys, and they are my go to supplier for these kind of parts. Easy to navigate the site, easy check out, and received in less than a week with just the standard option! Haven't had a chance to do the work yet, but product quality seems solid and well made. Highly recommend!
Product is exactly what i wanted and got to me in an ok time to. Would have gotten to me sooner if ups brought it to me but instead they transferred it to the post office which added an extra day.
Ordered multiple products,door hinges,led lights,reflective tape.The products were of good quality,priced right, excellant help from staff with answers to my questions,fast shipping. Overall quite pleased. Will be doing more business with this great company.
Very pleased with etrailer, my first choice. Thanks!
Exactly what I needed for my toy hauler door.
Your products are great and your service is fantastic
Nice product. Have not welded onto trailer yet but see no issues.
Works great, better the factory, durable, would highly recommend !!
Worked perfectly and got me going again. The grease zerk keeps the hinge smooth and noise free.
Great product! Gets the job done!
Good quality part . Great service!
Nice product. Have not welded onto trailer yet but see no issues.
Great product and got delivered fast
Great hinge. Just wish they made bigger and longer ones too.
Thank you for the great service and a good product at a fair price. Very impressed with the service I received.
works like new.
Very happy with the quality of this hinge. For the price you can't beat it.
THIS COMPANY WAS EASY TO ORDER FROM AND SENT THE ORDER AS QUICK AS POSSIBLE
Awesome fit. Just what I needed. Speedy delivery
Thanks again worked perfect and arrived promptly.
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