The axle plate is usually found underneath the trailer in the centre of the axle. Most manufacturers can tell exactly what is fitted to the axle from the details on this plate.
Al-ko. Type number starts LE
Avonride. May have Maesteg – type number is just a series of number normally quite long
Knott. Type number is just a series of number normally quite long
BPW. Type number is just a series of number normally quite long
Indespension. Normally same as chassis number/ series number but we can tell from trailer model and approx year build
Peak. Type number is just a series of number normally quite long

These are just guide lines; over the years different numbers have used.

If you still need help, please don’t hesitate to email us with as much of the following information you can:
Trailer make, Trailer model, Axle weight, Axle number and parts needed

Photos of the coupling can also be every useful.