AK 640 High-Speed Grinder
Maximize Volume, Revenue and Profit.
Meet the new yard boss: the AK 640 high-speed grinder. Built with the same collection of innovative features as all Doppstadt® AK series high-speed grinders, the AK 640 grinder is a high-volume machine designed to produce hundreds of yards of finished material every day. The up-swing hammermill engineering converts more of your source stream into a very consistent, high-quality product, maximizing your revenue and profit.
Organics, shingles, wood waste, C&D — you can grow your business on the back of the AK 640.
Product Features
Hinged Radiator
The hinged radiator is easily accessible and includes an automatic reversing fan.
Feed Roll
A reversible feed roll ensures material is consistently and evenly fed to the grinding chamber.
Upswing Rotor
The large 2.5-ton rotor with easily replaceable tips grinds the material. Extra contaminant protection is provided by the free-swinging design.
One-Piece Sizing Screen
Mesh screens from 1″ – 16″ can be easily replaced in 10 minutes or less, allowing for quick product sizing changes.
Rear Conveyor
Material is discharged via rear conveyor. Add an optional magnetic pulley or overband magnet to remove ferrous metals.
Large Access Doors
Large maintenance doors provide easy access to all critical components and functions of the machine.
Scraper Floor
The patented, load-sensing scraper floor ensures material is evenly and consistently delivered to the feed roll.
Remote Control
All machine functions can be controlled by a wheel-loader operator using the optional 16-channel remote control.
Ak 640 Demonstration
Interested in the Doppstadt AK 640 High-Speed Grinder? Contact us to arrange an on-site demonstration at your facility, running your material, to see just how good it is!
Case Studies
The Unlikely Path to Food Waste Processing for Missouri Organic Recycling
Some businesses start with a very clear intent and steadily grow in pursuit of that single goal. Others are businesses of opportunity, identifying moments of potential and exploring the possibility…
The Proper Equipment Makes for Composting Perfection
Report after report shows that Raleigh, North Carolina is one of the fastest growing metropolitan areas in the country. One late 2016 study concluded that Raleigh metro’s population will grow…
Kreider Mulch Leans on Doppstadt for Processing Efficiency
Randy Kreider grew up in Lancaster, a quaint small town in rural eastern Pennsylvania. Unless you’re inside the urban boundaries of Philadelphia, most of this half of the state is…