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Dexter Axle Trailer Axles - Leaf Spring Suspension - 20440I-ST-60 Review

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Review of Dexter Trailer Axles 20440I-ST-60

Today, we're going to review part number 20440i-st-60. This is the Dexter Trailer Axle with the standard spindles, includes these idler hubs with the 4 and 4 inch bolt pattern. Axle is 60 inches long and it has a 2000 pound weight capacity. Now this part will include everything shown here on the table includes the axle, the 2 idler hubs, the inner and outer bearings. Now, the bearings races are also included. They are preinstalled in the hubs already. A grease seal is included, the dust caps and then the half inch log nuts and also a tub of the Marine Gray wheel bearing grease.

Now, this axle being right here will act as part of your trailer suspension system. You can use it to replace an axle on your trailer or you can use it to fabricate a suspension to fit your specific application. It is made of a high-strength steel. This is a under slung design which means these spring sits right here, 1 on each end. They're welded to the underside of the axle for mounting your leaf springs too and when you have an under slung design, that will give you a nice low ride height which will make it easier to load and unload your trailer. Now this axle does have the straight spindle.

There's no drop spindle. It is a standard grease application. It does come with the castle nut and the cutter pin and when we do ship this, they are protected on the ends. Basically what we do is the machine finish portion of this axle where the spindle is, that would all be covered with grease to protect it and then bubble wrap around it and then this very thick corrugated tube is then slid over and then wrapped around to fully protect the whole end of the axles. Also protect it from any damage from the shipper. Now, the spring sits the spindles are all welded on. Also you might notice it might be hard to see but on your trailer axles, they will actually have a bend in the middle that actually go up and then down so this center of the axle will be up higher and this bend will actually create a 0 camber angle which will give you even road to thread contact across the width of your trailers tire. Basically what happens is when the weight is put on this axle, it would push down on it and even it out and inaudible 00:02:07 that the angle of the wheel is correct for your towing needs.

This will help as far as straight line acceleration and give you steady controlled towing. Now, this cast iron idler hubs are very sturdy and durable. The bolt pattern is a 4 on 4 inch bolt pattern. It does have a wheel stud diameter of a half inch so it does use the included half inch by 20 log nuts and this will fit wheel sizes from 10 inches to 13 inches in diameter. The weight capacity on this axle is 2000 pound. Outer diameter of the tube of this axle is 1 and 3 quarter inches.

The diameter of the spindle itself is 1 and 1/16 inches. Now on an axle, there are multiple ways that you can measure the length of your axle but the 2 most accurate are going to be hub face to hub face and spring center to sprint center. Now hub face to hub face on this axle would be a little bit harder because the hubs aren't installed but basically once your hubs are installed on each end, if you would measure it from the base of 1 wheel stud on the hub down the axle to the base of the wheel stud on the other hub, that will get you a hub face to hub face. What I'm going to do is give you an idea of the hubs uninstalled but that'll still give you an idea where they'll be positioned. You can basically see roughly it's going to be 60 inches on this 1 hub face to hub face length. Now, the other 1 is spring center to spring center which you measure from the center of this spring seat to the center of the spring seat down there. Now, this will give you the approximate width of your trailer itself but on this will be pretty easy to measure. Center to center, you can see 48 inches on the spring center to spring center length. Basically if you're replacing your trailer's axle, you should be able to figure out which type you need by determining the trailer's weight capacity you need of both pattern on the wheels you're using, the brake type if it does have brakes and then the 2 lengths, the hub face and spring center lengths. That should do it for the review on part number 20440I-ST-60, the Dexter Trailer Axle with the standard spindles and the idler hubs. .

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Employee Jeff D
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Employee Dustin K
Video Edited:
Dustin K

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