Dexko Global

ENCLOSED Trailers
Parts, Kits & Accessories for Enclosed Trailers
Keep your enclosed trailer ready for the road with quality parts. From axles and hubs to springs, tires, and brakes, we have everything you need to tow safely and confidently. 
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Tech resources
Enclosed Trailer — Overview

Since 1960, Dexter has produced over 60 million axles and is the leader in high-quality utility trailer parts. We offer trailer axles to fit all applications, in single, tandem, or triple configurations. Axles are made to order and are designed, tested, and proven to last longer than competitors.

Common Applications
Cargo Transport — Protect valuable goods from weather, debris, and theft during transport.
Mobile Workshop — Set up a secure, organized space for tools, equipment, and on-site jobs.
Automotive Hauling — Safely move cars, motorcycles, ATVs, and other vehicles with full coverage.
Construction & Contracting — Store and transport heavy-duty tools, materials, and supplies efficiently.
Spec & Setup Tips
Choose torsion or leaf-spring axles to match ride and load.
Select galvanized, zinc-plated, or powder-coated finishes for corrosion resistance.
Match surge actuator with hydraulic drum or disc brakes.
How to Measure Your Axle
The most common industry measurement is Hub Face, which is the measurement from the wheel mounting surface on one hub to the wheel mounting surface of the opposite hub.
Spring centers are the centerline measurement of the spring mounting pads on the axle.
Lighting & Wiring
Use sealed, submersible LED lamps and protect runs with loom.
Verify grounds — most lighting issues start there.
Add conspicuity/marker lighting for visibility.
Enclosed Trailer FAQs
What is a Torsion Axle?
The torsion axle is designed as a completely self-contained axle and suspension system. This trailing arm-type torsion axle employs natural rubber cords supporting heat-treated inner bars of solid steel. Press-fitted and welded to the ends of these independently floating bars are the steel torsion arm/spindle assemblies. These arms can be specified to a range of starting angles, which allow the designer to tailor the running height of the vehicle. Dexter can provide you with all the Torsion products and options you and your customers need.
What is a Tube Axle?
Leaf Spring axles utilize steel spindles welded to tubing to form an axle beam. Depending on the capacity rating of the axle, spindles are usually available in either a straight or drop design to help designers establish the desired frame height or ground clearance. Leaf springs are attached to the axle using U-bolts and can be positioned either under or over the tube. Use under-mounted springs (underslung) to lower the frame height and over-mounted springs (overslung) to raise the frame. The designer can choose stamped steel hangers of varying heights to allow additional control of the vehicle height. Dexter has all the products and attachment accessories you need for leaf spring axles.
What are the Types of Leaf Springs?
There are two basic types of springs to choose from: Double Eye or Slipper Springs. Double Eye Springs are used with the shackle-type suspensions. Slipper Springs are the heavy-duty springs used with slipper-type suspensions. Complete sets of springs and U-Bolt kits can be ordered with axles.
How do you Determine Bolt Pattern?
To determine the bolt circle on hubs with an even number of studs, measure center-to-center on studs directly across from each other on the diameter. Example: 8 on 6 1/2 would mean 8 bolt holes with 6 1/2" center-to-center diameter. On hubs with an odd number of studs, measure any stud center to the point halfway between studs on the diameter. Example: 5 on 4 1/2 would mean 5 bolt holes with 4 1/2" measure to a point halfway between the opposite studs. Another way to measure the odd number bolt pattern is by measuring the center of a stud to the center of the next stud.
How do you tell the difference between left and right-hand brakes?
To determine the right- or left-side electric brake assembly, position the brake with the magnet at the bottom. On electric brakes, the actuating arm will always curve from the pivot pin to the magnet, toward the left for left-hand brakes and toward the right for right-hand brakes. To determine the right- or left-side hydraulic brake assembly, position the brake with the wheel cylinder at the top. On 10" and 12" brakes the input port will be at the rear of the brake. On all sizes of brakes the primary (shorter) brake shoe will be to the front of the brake.
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