This piece is a small scale HO Scale or 1/87 Scale model. It measures about 5 inches long from the back shank rippers to the front of the blade.  From track to track it measures about 1.75 inches wide; so this is a very small model that fits on the palm of your hand.

There is articulation on the front arms and blade. As you move each articulation the pins (pistons/cylinders) also move accordingly just like on the real thing.

THIS IS NOT A TOY. It is very small and fragile. It is made mainly for display purposes.

 

The model comes in a beautiful multicolored metal can. The can is a much collectors' item as the model itself. 

 

The can measures 9.5 inches long, 5 inches wide and 5.25 inches high.