Check out the Vintage Gorillabac DIY assembly video at https://www.youtube.com/watch?v=sD03h95G-Bc. This video demonstrates basic assembly steps that apply to all Gorillabac Models.  The Gorillabac 3803 is compatible with many hydraulic log splitter brands including County Line, Dirty Hands, Black Diamond, Forest King, Speeco, Huskee and many more.