4 Advice to Choose a 5 axles curtain side trailer

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To follow this guide step by step, please login to the  Axle Weight Calculator. Please remember to use Internet Explorer, as the app is temporarily unavailable in Chrome, Firefox and Microsoft Edge browsers.

Open a vehicle

The first thing you need to do is open a vehicle for which to build the trailer.  Use the step-by-step wizard to find the vehicle which best suits your needs, as follows:

Luyi Product Page

Choose Vehicle Type

Click on ‘Tractor Unit/Semi Truck/Prime Mover’

Choose Axle Layout

Click on the ‘vehicle axle layout’ you wish to build on.  Choose between 4×2, 4×4, 6×2, 6×4, 6×6, 8×4 Single Steer.  For example, “6×4”.

Choose Generic Template or Request a vehicle

If the manufacturer, range, or model you are looking for is not on the list, click on ‘Generic Template’ in any of the following screens to ‘build your own’ vehicle, by applying weights and dimensions values from a specification sheet.  Alternatively click ‘Request a Vehicle’ at the bottom of the selection screen and our support team will add your vehicle to our database.

Choose Make

Choose which make you wish to build on.  For example “FUSO”.

Choose Range

On the “Select a vehicle range” page, choose between the different ranges of vehicles from the make.  For example, “Super Great”

Choose Model

Choose the model of vehicle you wish to build on.  For example “FUSO FV 26-420 TT”

Note the 3 high level tabs, ‘Vehicle’, ‘Trailer 1’, and ‘Payload’.

Add a Trailer

On the ‘Trailer 1’ tab, click on ‘Add’ to open the selection page.

On the ‘Build Your Own’ tab, click on the arrow at the bottom right of the page to go to page 2.  Choose between a list of trailers labelled ‘Semi Chassis (4×2)(2 axle)’ etc..  For example, double click ‘Semi Chassis (4×2)(2axle)’.

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Below ‘Trailer 1’, a set of sub tabs – ‘Length’, ‘Weights, ‘Equipment”, ‘Axles’ – appears.  Click the >> icon to view more tabs, for example, ‘Height’.

Add a body to the trailer

On the ‘Equipment’ tab, click ‘Add’ to open selection page.

Double click “Template Curtainsider/Tautliner” from within the ‘Body’ tab.

A Curtainsider/Tautliner body has been added to the trailer and the weight of the body has been added to the calculation beneath the drawing.  Note tare weight (Curb weight) of the vehicle, unladen trailer weight, gross vehicle weight rating (GVWR), weight distribution over each axle, the total truck weight and maximum payload achievable with this configuration.  The Permissible weights are the ‘lower of’ maximum weights allowed by the vehicle manufacturer and the legislation that has been applied to the calculation.

A set of sub tabs relating to the body appear, titled “Length”, “Weights”, “Height” and “Width”.

Use the ‘Length’ tab to adjust dimensions such as distance from ‘Back of cab’, the ‘Weights’ tab to specify body material weight, the ‘Height’ tab to adjust the height of the body, the ‘Width’ tab to adjust sidewall thickness.

Export your calculation to a report with your logo

Click the PDF icon to export a report of the current view.  This report can be customised with your logo.  To export other views, click on the relevant buttons from ‘Side’, ‘Top’, ‘Turning Circle’, ‘Summary’, ‘’Extras’, ‘Bridge’, ‘Diminishing Load’.

Save your calculation for future reference

Use the disk icon to save your calculation to your computer.  Use the Open icon to access this file at a later date.

Congratulations!  You have completed your first truck body design calculation using TruckScience.

For more 3 axles fuel tank trailerinformation, please contact us. We will provide professional answers.

im about to buy a 48' curtainside, tandem axle flatbed and have some questions.

1) do the buckles holding the curtains down count toward securement? I'm asking bc this trailer only has 5 4" strap winders on the side rail. I would think 5 is not enough for a lot of loads.

2) it has van doors on the back. Can I accept van loads on a load board? Or am I dumb?

Uh.. besides the normal stuff, what should I look out for?

I don't think the buckles count towards securement, at least on the curtain sides that I've pulled.

Make sure you leave at least one roof support bar in place on each side or the roof will bow down,and be darned near impossible to get the bar back in.

Myself I'd be looking out for a roll-tite kit. A little pricier, but a more versatile trailer. Can load it with an overhead crane for instance. Most have equipment tie-downs in the floor or hook tracks for securing loads.

No, it does not qualify as a tiedown. I've seen some drivers close the curtains and roll without throwing a single strap over lumber before.

Unless you are dealing exclusively with building materials, curtain sides are highly limited for flat deck. If you are looking for an easy tarping solution, I mirror the others here and suggest a roll-tite. Steel is a big part of flat deck, and most of it is loaded with a crane.

I'd like to se a picture of the way the doors are attached on the back of you don't mind? Is it like the bulkhead ot the front?

Well, I found a broker who can run me in a 300 mile radius and he says there's no steel, just building supplies/ pallets.

I know it will limit me but for what I'm looking to do, I think it's going to work.

I'll get some pictures up soon.

Thanks for the replies guys.

Buckles on Curtains are NOT SECUREMENT for the load inside. Hell no. If there was auto glass in there wanting out it's ripping through the curtain on it's way off the floor.

You did load them like a van. VERY gently. Ive done curtainside over one winter, my first dedicated between GM Auto in Baltimore (No longer in existance) and central Kentucky with GMC Astro van glass in racks on the floor.

You drove those things very gently.