Boulder AG

BoulderAG supplies machinery for Seed Conditioning – Animal Feed – Grain Handling – P.E. Structural Engineering and field service.
Biowaste Brochure
BoulderAG Tietjen Biowaste Brochure
Feed Milling
BoulderAG Tietjen Feed Milling & Ethanol Brochure
BoulderAG Tietjen Pet Food & Fish Feed Brochure
BoulderAG Tietjen Wood Industy Brochure

Biogas Solutions:

Individual Solutions for Biogas Systems Machine types:

Shredding Solution Biogas Plant

Biomass Shredder BMS 
The Shredding Solution for the smooth operation of your Biogas Plant

Biogas System

IMPRA  SYSTEM Patented Technology
The Impra system involves a wet treatment process that uses a simple technique to break down solids.

Straw Mill SD

Straw Mill SD
The Straw Mill SD has been specially designed for crushing fibrous material.

Biowaste Solutions:

Biowaste Solutions Machine types:

DRM 800

DRM 800 – Separation Mill
The DRM Separation Mill has been designed for the reliable separation of the biogenic fraction from contaminants.

Pressing Screw PRS 300
The Pressing Screw has been specially developed for the removal of residual liquid from already separated foreign matter from biowaste.

Hammer Mill – High-Speed Mill – Series BIMIX
The Hammer Mill Series BIMIX is ideally suited to the demanding task of wet grinding unpacked commercial biowaste and food waste.

Feed Production:

Compound Feed Milling Machine types:

Hammer Mill High Speed Feed Production

Hammer Mill – High Speed Mill Series HM
The Hammer Mill HM is the perfect self-feeding universal mill for grinding feed components.

Hammer Mill High Speed Series LDE

Hammer Mill High Speed Mill LDE
The Hammer Mill LDE is designed for coarse grinding in the feed-milling industry.

Hammer Mill – High-Speed Mill – Series VDK
The Hammer Mill Series VDK is designed for fine grinding as well as coarse grinding in the feed-milling industry.

Hammer Mill High Speed VL

Hammer Mill – High Speed Mill Series VL
The Hammer Mill VL is the universal mill for coarse grinding in compound feed, as well as fine grinding.

Hammer Mill Large Chamber Mill Series GDL

Hammer Mill – Large Chamber Mill Series GDL
The Hammer Mill GDL is designed for coarse grinding in the feed milling industry, as well as for fine grinding.

Straw Mill SD

Straw Mill SD
The Straw Mill SD has been specially designed for crushing fibrous material.

Pet Food Machine types:

Hammer Mill Large Chamber FD

Hammer Mill – Large Chamber Mill Series FD
The FD Hammer Mill was designed Specifically for the requirements of fine grinding.

Aquafeed  Machine types:

Impact-Classifier Mill TICM

Impact-Classifier Mill Type TICM
The Impact-Classifier Mill type TICM is designed for super fine grinding in fish and shrimp combines.

fish food

Food:

Food Hammer Mill Solutions Machine types:

Hammer Mill High Speed Series LDE

Hammer Mill High Speed Mill LDE
The Hammer Mill LDE is designed for coarse grinding in the feed-milling industry.

Hammer Mill – High-Speed Mill – Series VDK
The Hammer Mill Series VDK is designed for fine grinding as well as coarse grinding in the feed-milling industry.

Hammer Mill High Speed VL

Hammer Mill – High Speed Mill Series VL
The Hammer Mill VL is the universal mill for coarse grinding in compound feed, as well as fine grinding.

Wood & Fibers:

Solutions for Wood Grinding with Hammer Mills Machine types:

Hammer Mill – High-Speed Mill – Series VDK
The Hammer Mill Series VDK is designed for fine grinding as well as coarse grinding in the feed-milling industry.

Hammer Mill Large Chamber Mill Series GDL

Hammer Mill – Large Chamber Mill Series GDL
The Hammer Mill GDL is designed for coarse grinding in the feed milling industry, as well as for fine grinding.

Straw Mill SD

Straw Mill SD
The Straw Mill SD has been specially designed for crushing fibrous material.

Hammer Mill Wide Chamber

Hammer Mill – Wide Chamber Mill Series W 
The Hammer Mill Wide Chamber for Reliable Grinding of Wet and Dry Wood Chips

Alcohol & Ethanol

Solutions for Breweries & Distilleries Machine types:

Hammer Mill – High-Speed Mill – Series VDK
The Hammer Mill Series VDK is designed for fine grinding as well as coarse grinding in the feed-milling industry.

Hammer Mill NDK

Hammer Mill – High Speed Mill Series NDK
The Hammer Mill NDK The robust standard machine for wet grinding with addition of liquids