https://www.lippert.com/25-series-tripl ... CoQs1_R3cZ
We have the two step version at the moment, the three step version increases the climb height by 8" (205mm), this is the height of the Aldi stepper with all the height raiser feet added, affectively adding another step, 600mm with the bottom step on the ground, 800mm with each step from the ground up spaced at 200mm, 1 mtr with the Aldi stepper added.
After looking at the price, USD$1652, plus freight plus GST, probably around the AUD$3,500 mark, plus GST and freight ..... I think I'll make my own .....
There are a lot of really good folding step ideas, like this one https://truckcampersaustralia.com/torkl ... uery=A8103
but you have to lift them out and fold them back in manually, that involves a big first step

Jon, no where available to slide something that length under the Winnie .... and again, the same problem, you need to be outside to deploy them .......
Part of the RV regulations now, The door must open out away from the body and the steps must auto deploy to enable a quick exit in the case of a fire if the step is greater than ..... I think it was 200mm, but I'd have to go through the ADR's to find it .....
T1 Terry