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Mount your round, 3" diameter axle to your trailer's leaf springs with this U-bolt kit. U-bolts, plates and nuts included.
Features:
Specs:
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Today we'll be reviewing Part Number APUBR-9. This is Red Line U-Bolt Kit for mounting 5200 lbs to 7000 lbs round trailer axles. It's going to attach the trailer axle to your leaf springs, it's going to include four 7 1/4 U-bolts, 2 U-bolt plates for 1 3/4 inch or 2 inch springs, and then it's going to include eight 9/16 inch hex nuts. Spring seats are required for mounting the axle to the leaf springs and that's all going to be sold separately. It's going to fix axle diameters of 3 inches, typically 5200 lb to 7000 lb trailer axles. The spring width that this would fit is going to be 1 3/4 inch or 2 inch and we'll just take a few moments to go over some dimensions. We take a measurement of the length of the u-bolt, again we're measuring from the bottom of the cross member, to the base of the bolt post.
It's going to give us a measurement of 7 1/4. The threaded portion on each bolt is going to measure 3 inches. It's that portion there and then the width that we have in between is going to measure right at 3 inches and that's just a measurement between the bolt posts. Taking a look at one of the plates, it's going to measure 5 1/4 by 3 3/4. We measure the distance, center on center between the holes going this direction, it's going to measure 3 3/4 of an inch and then center on center going this direction is going to give us a measurement of 2 5/8 of an inch. That's going to do it for our look at Part Number APUBR-9, this is Red Line U-Bolt Kit for mounting round trailer axles and again the bolts are going to measure 7 1/4 of an inch in length.
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Average Customer Rating: 4.8 out of 5 stars (170 Customer Reviews)
Mount your round, 3" diameter axle to your trailer's leaf springs with this U-bolt kit. U-bolts, plates and nuts included.
The fit was perfect didn’t even have to trim the bolts 936165
good quality parts 935111
perfect fit, easy to assemble and great quality 932872
928390
Very helpful on finding the right parts and fast shipping would recommend them Very highly 927680
Great product, easy to install. Would purchase again. 925057
Works good. Suits my needs very good. 923257
perfect match, as is described. same day shipped and fast delivery 922333
921974
915472
Excellent parts for the project I was working on. I installed a 1997 Chevy axle on a 1950 International box trailer. With a few “adjustments”, I made it work! 913086
901471
900705
works well 899989
Fast service. 882017
Good product 880331
875238
Products are just as advertised. Great product! 853518
Parts came in fast and were great. 837210
Perfect fit, another quality set of parts from etrailer. Cut the old ones off. Put new ones on. No fuss. 824711
I was happy with the fast free delivery. There was just one problem. There was 8 washer's missing in the sack of nuts for the u-bolts. I just installed the u-bolts with no washers 820105
Heather A - 07/02/2020 Heather A - 07/02/2020Working great. 808314
Nice hardware great upgrade. 795117
Great product, I get everything I need for my fleet of goosenecks, brakes,springs,hitches all shipped right to my po box 792968
Got it fast and seem to be a great prod uct. 792154
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