What sort of capacities do garden spreaders have?
Hopper capacities vary a great deal but a classic entry level push type garden spreader will have a capacity of something around 22kg moving up to perhaps 60kg or more on larger models.
There is similar range with tow behind garden spreaders, covering a variety of capacities from perhaps 39kg Spreaders carrying around 80kg or even more.*
Our detailed reviews of the can give you more information regarding this. Look at the features and specs lists to compare capacities.
*N.B. Large agricultural tow behind spreaders will often have capacities of several hundred kg.