A trommel screen is named for the screened cylinder used to separate materials by size, for example, separating the biodegradable fraction of mixed municipal waste or separating different sizes of mulch or crushed stone.  Production rates can vary from 20 to 30 yards an

Horizontal Grinders were first introduced in the late 90’s as an alternative to the tub grinder.  Similar to tub grinders, there are a variety of sizes and horsepower, designed to handle land-clearing debris, bark, brush, logs, stumps, wood construction and demolition (“C&D”) material, 

Considering the Pros and Cons of Going Electric (An overview of the benefits and drawbacks of owning an electric tub grinder or horizontal grinder)

Little doubt the key advantage of diesel power over electric for your tub grinder or horizontal grinder is mobility. But if your grinder can operate in a fixed location, and you have a facility with or capable of upgrading to 460V 60 Hz 3 phase,