This information is intended to assist you in making a choice of running and trailer axles gear from our variety of options. You can also contact your branch to have any of our sales staff help you choose the most appropriate products.
How do I determine how much weight of the vehicle is gross (GVW)
When building a trailer the Gross Vehicle Weight (GVW) is to be calculated for the purpose of selecting the correct trailer axles to suit the purpose. The GVW is the sum of both the mass of the trailer empty as well as that of desired cargo. (Example: 2,000 lb. empty trailer weight plus 8000 pounds. weight of cargo (GVW = 10,000 pounds.)
How Many Axles
Once you have determined the GVW, the size and quantity of the axles should be determined. For example, if need 10,000 lbs. GVW and you want tandem axles, your minimum capacity is 6,000 pounds. per axle.
Brakes
The first step is to determine the need for brakes on every axle. Many states require for at minimum one of the axles has brakes. Certain states require that all axles be equipped with brakes. To find out how many brakes are required in a state, call your regional Department of Motor Vehicles. Then, decide on the type of brake you like that you like: Electric, Hydraulic Single-Serve, Hydraulic Free-Backing Hydraulic Duo-Serve Hydraulic disc or air “S” Cam Brakes.
What Kind of Spindles Will be required?
Straight spindles are most commonly used when the bed is above the tires, or when a round clearance of low g is not needed. For instance, flat beds or pull-type utility trailers and so on. Drop spindles are employed for when the smallest possible round clearance is required. Examples include Livestock and Horse Trailers, Car Haulers, Enclosed Cargo Van Trailers and so on.
What are the Centers of Spring? Centers
The Spring Centers represent an The CL (centerline) measurements of spring mounting pads that are located on the axle. The Spring Centers will usually be closely matched to the frame length that the trailer.
Which Bolt Pattern?
The Bolt Pattern of axles may differ based upon the size of axle. The Bolt Pattern is also a determinant of what type of wheel and tire can be employed. If you have a particular wheel or tire that you would like to utilize then please share the information to us in order for us to assist you determine the right bolt design and axle.
What is the length of the Axle
It is the next stage to measure the size of the axle on the trailer. There are many methods and terms used by industry to describe the process the most well-known word can be described as “Hub Face,” which is the measurement that runs from the bottom of the wheel’s stud, to the bottom of the wheel stud at the other end of the axle. Another term commonly employed refers to “Track” . Track is the distance from the center of the tire that is its center on the other tire. The measurement is different based on the type of wheel that is being used, as each wheel (White Spoke, OEM, Custom) might have different offsets, which can alter the center of the tire.
What Type of Springs
There are two spring types to select between: Double Eye or Slipper Springs. Double Eye Springs are used for suspensions that use shackles. Slipper Springs can be described as the tough springs that are used in slipper suspensions. Sets of complete springs as well as U-bolt kits are available with axles.
Which Hanger Kit?
There are many Hanger Kits that you can choose from: single, tandem , or triple for double eye and slipper springs. Hanger Kits comprise of spring Hangers that are attached to the frame as well as equalizers (tandem and triple hanger Kits) and Shackle Straps (if double eye springs are used) and all the required hardware.
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