Machine Builders Network+ Forums Machine Builders Network Backhoe / Excavator Builds Small 360 Towable Hoe?

Some good ideas here, thanks. The machine I am interested in is the Powerfab 007, A good version was built here
https://www.youtube.com/watch?v=HsbNHLijZeY & then improved further by a gear reduction swing rather than direct drive by a motor as favoured by the original designer, https://www.youtube.com/watch?v=Pdh_FdIV0cg
Original '92 spec sheet here https://www.oilyhands.co.uk/images/Powerfab_Julian/007%20spec%20sheet.pdf
Admittedly machine is very small, Has anyone ever built the CDP walking 360?