There are two different drive system options, when it comes to mixers. Knowing what each is and how they are different is important when selecting your new mixer.
Belt driven tend to be less expensive to repair, if an issue ever arises. They offer a wide range of speed options, that can be adjusted as the mixer is in motion. Some of the disadvantages can be belts slipping and overall life of the belt much shorter than gear driven.
Gear-Driven can usually power thru heavier ingredients. Because they don’t face the risk of slipping, they have a more dependable velocity. Some disadvantages are that gear driven systems are noisier than belts, they cost more the repair, and they only have two fixed speeds.
You should always consult the manufacturer’s guide, before operating your particular mixer. Some mixers perform best on a particular speed. Depending on the drive, some mixers will allow you to change the speed of the mixer while it is in operation. Others cannot be changed while the mixer is in operation and require you to shut it off first.
The larger the mixer, typically the higher the horsepower that it will have. The heavier and stiffer the ingredients that you have (like pizza dough), you will want to have a larger mixer and higher horsepower, to efficiently mix your recipes!