Trailer Axle Load Calculator

How to Use This Calculator

Fill in the trailer and load information below to calculate load distribution. You can also use a preset to auto-populate the form with example data.

Unladen trailer bogie weight can be calibrated against actual values if required by adding or amending tail-lift weight.
For step-frames, the distance from the front of the trailer to the step is typically 4.3m.
For trailers up to 13.7m long, effective bogie length cannot exceed 8.135m.
On curtainsiders, allow 0.1m from the front of the trailer to the start of any load.