Tractor Trailer Weight Distribution Diagram

Follow standard procedures to ensure proper weight distribution in a semi trailer. I though id repost it here as i spent a good chunk of the evening writing it up.

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You see that weight has to be evenly distributedyou cannot have more than 34000 lbs on the trailer tandems same with tractor tandems and 12000lbs on the tractor steer axle.

Tractor trailer weight distribution diagram. Tractor ballasting weight distribution free body diagrams a discussion about this came up in the new holland forum. The weight on a truck must be distributed on the axles to comply with the chassis manufacturers axle ratings and weight laws. All modern trailers have the capability to slide the tandems to adjust the weight if needed.

Then add payloads andor additional axles to suit your application. Welcome to the free load distribution calculator. Weight distribution is the amount of the total vehicle weight imposed on the ground at an axle group of axles or an individual wheel.

You modify the configuration by clicking on the truck or trailer sections and axles and entering your own distance and weight values. Well kinda sorta but not really. A poorly packed truck raises a companys costs for wear and tear on its facilities and trucks and can result in fines for operating overweight trucks.

Maximum payload when loaded to the trailer headboard the diagrams below show the maximum payload for different length product when loaded to the trailer headboard based on typical 2 and 3 axle tractor units and trailers. The trailer tandems will see little or no effect from sliding the 5th wheel. Each start up page shows an already configured truck andor trailer.

Axle weights and load distribution 3. Sliding the 5th wheel will change the weight distribution almost exclusively between the steer axle and the drive axles. If you slide the 5th wheel toward the nose of the tractor you will increase the weight on the steer axle and take weight off the drive axles.

The figures below and in section 4 are based on vehicle tare.

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