But the real magic happens off-road. The Tank 500 comes with a full-time four-wheel-drive system, a locking rear differential, and multiple drive modes (including sand, rock, and snow).

Bulldozers, tanks and excavators all use treads ... The tracks are wrapped around one or more drive wheels, often cogged, which directly pull on the track. On the bottom of the vehicle are ...

[Ivan] has been keeping his 3D printers busy with parts he’s experimenting with to build a tracked motion setup for a tank-like vehicle ... and a groove on a drive wheel.