Grain Storage Systems


New, larger diameters up to 72’ are available in a 4” corrugation to match your existing bins. If you have limited space available, the 4024 can be built up to 21 rings tall (on 30′ diameter bins and larger) so you won’t lose needed capacity with your footprint restriction.

With a state of the art manufacturing facility and corporate headquarters in Assumption, IL and manufacturing, sales and warehouse facilities throughout the world, The GSI Group continues to expand its product lines and market presence in Grain Storage Systems.

Roof Panels

grain storage bins roof panels

The new 40-Series™ roof panels incorporate a 3” tall rib with over and under lap profiles ensuring a precise fit. 3 bend rib profiles are also incorporated in the new design for increased strength to stand up even in the harshest of environments.

Featured here is the new 40-Series™ bins. Over and under lap profiles of the a 3” tall ribbed roof panels ensures a precise fit. Also incorporated in the new 40-Series™ design are 3 bend rib profiles. These profiles increase strength to stand up even in the harshest of environments.

Superior Protection

superior protection grain storage systems

Each GSI bin is efficiently designed to handle maximum loads for unmatched strength. Most sidewall sheets are manufactured from high-tensile steel that is rated at 70,000 psi (480MPa) or greater.

High-tensile steel that is rated at 70,000 psi (480MPa) or greater is used to manufacture most sidewall sheets from. Each GSI Grain Storage bin is efficiently designed to handle maximum loads for unmatched strength.

Walk-through Bin Doors

grain storage systems walk through bin doors

Standard on all 40-Series grain bins are Walk-Through bin doors. All inner door panels on GSI’s walk-through doors open completely. There are no braces or horizontal bars to unbolt or remove. This makes opening quick and easy. No tools or wrenches are required to operate the doors.

  • X-Series ladder and stair packages.
  • Seamless interaction between sidewalls, platforms, roof stairs and peak walk-arounds.
  • Eliminating trip hazards as you move from one point of the bin to the other.
  • Ladders provide step-through platforms and are mounted 90 degrees to the sidewall.
  • Eliminate toe hazards such as stiffeners, wind rings and other bracketry.

GSI Group, Inc. is a group of business units dedicated to supplying the most advanced equipment to the global agricultural industry.
Grain Systems is the founding unit of this group and the world leader in grain storage bins/silos and accessories, conditioning and drying equipment and material handling equipment. With a sales and engineering staff of unchallenged experience in the grain storage industry, Grain Systems is THE source for your grain storage needs. Grain Systems also manufactures a complete line of grain drying and aeration equipment. Whether for grain storage, grain drying or material handling Grain Systems has the LATEST equipment at the BEST price. With an engineering and service staff dedicated strictly to the conditioning and drying product lines you can be assured of a top notch product.

grain storage systems

Among the tallest and highest capacity bins offered, the 4032 is designed to support the needs of the largest operations and the continued growth of your system. GSI Grain Storage Systems can help you maximize profits and give you an edge when markets are low.

Roof Panels

grain storage bins roof panels

The new 40-Series™ roof panels incorporate a 3” tall rib. Over and under lap profiles ensure a precise fit. The new design incorporates 3 bend rib profiles to increase strength and to stand up even in the harshest of environments.

Z-tek Roof System

grain storage systems roof construction

GSI’s 4032 36’ and larger feature the precision-engineered Z-Tek™ Roof System. Designed for increased load capacity, the system incorporates z-shaped rafters and purlins, clips, peak ring, flat top, and roof panel for unsurpassed strength and protection.


grain storage systems stiffeners

GSI bins are made stronger by using stiffener profiles of up to 2-gauge material. This allows 40-Series Bins to go taller without the extensive use of lamination. Improved stiffener profile design is manufactured on precision roll-forming equipment for superior quality. We powder-coat the Base stiffener boots to prevent rust over time.

  • Our most popular floor option, Dura-Lok flooring is the strongest floor available.
  • Dura-Lok flooring is supported by a post and beam system.
  • Dura-Lok floors are strong and more stable and easier-to-clean.
  • We have a full line of bin-unloading solutions.
  • Bin-unloading solutions with horizontal, 25 degree, and vertical discharge options.
  • we have what you need to get your bin unloaded – Carry in or integrated power sweep.

Grain Storage Systems that spans the globe

Our distributor and customer base spans the globe, with our equipment routinely installed on six continents (We are still working on the Antarctica angle). In the United States of America and Canada our products are distributed by an outstanding dealer network, while international quotations and projects are handled by GSI International through a network of international distributors. GSI International maintains its own multilingual sales and engineering staff for quoting any size project, from one silo to complete facilities. Experienced in the special requirements of the international community and backed by our extensive product engineering staff and manufacturing capabilities, GSI International can supply you with unmatched quality and service.

Information on our products, including capacity tables, is available and can be accessed from the list below. If you would like more information please fill out our information request form, e-mail us or contact us by fax or phone at the numbers listed on the contact page.

Explore our site and find out the latest information on all of the products GSI has to offer. Visit the product-specific pages for features and capacities of each grain bin/silo storage line by selecting from the menu.  Feel free to contact us and let us know how we can serve you better.