Joskin Cargo Track multi purpose vehicle with silage box.
The vehicle is pretty much all made of metal. The box is plastic. Both frontwheels steer in tandem. The box is attached with two easy to remove screws so you can use the vehicle to put different equipment on top.
Notice; different applications shown are examples, boxes or tank others than the silage box are not included!
To see the real machine at work, click the logo: