Mar 09, 2022 · You’ll find alfalfa pellet machines for sale for as little as $500, or as much as $10,000. One factor that determines the price of an alfalfa pellet machine is the size of the machine. Large alfalfa pellet machines capable of producing more than a ton of alfalfa pellets per hour will usually fall in the $4,000 juurde $10,000 range.