HUINA 1594 RC Excavators for Adults Metal 1:14 Scale Professional Digger Construction Vehicle Hobby Gift Remote Control Tractor Crawler Toy Lights Sounds - 4 attachments and 2 Batteries a.co/d/0KOPNut
I have 2 580's V4's beasts, regular cleaning and greasing will make them last long, softer spring for the track tensioner, would be recomanded to make it last even longer.