4032: Stiffened Bins

2.66" Corrugation

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    Flat Top

    With the increasing speed of harvest, the size of material handling equipment continues to increase, leading to the need for larger flat tops on which to land equipment. Integrated attachment points eliminate guesswork on where to attach material handling equipment.

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    Wind Rings

    Redesigned wind ring and wind ring brackets reduce bolt holes in stiffeners, resulting in increased load capacity. Swaged, bolted splice ensure your 40-Series bins will stand up to the toughest wind conditions.

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    Roof Panels

    GSI’s in-plane roof lap is designed to prevent leaking by eliminating the flashing that is required between the upper and lower panels. Single sheet roofs are standard for all bins up to 78’ diameter. From single-sheet roofs to an overlapped panel design, your crop is protected.

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    Superior Protection

    A commercial G-90, galvanized steel coating increases life and durability.

4032: Stiffened Bins

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.

Key Features

Capacity 15,000-1.9 Million Bushels
Diameters 18' - 156'
Stiffeners 3 per sidewall sheet
Door 1 Ring, 2 Ring, or Vehicle traffic door (72' and larger)


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Roof Panels

The new 40-Series™ roof panels incorporate a 3” (76.2 mm) 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.

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Z-tek Roof System

GSI’s 4032 36’ (10.97 m) 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.

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GSI’s stiffener profiles and the use of up to 2-gauge material make bins stronger, allowing 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. Base stiffener boots are powder-coated so they won’t rust over time.
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X-Series Ladders

At GSI, your safety is our number one priority. That’s why we have carefully designed the exclusive X-Series ladders and platforms specifically to meet OSHA guidelines to ensure the safest work environment possible.
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X-Series Sweep

The zero-entry X-Series Sweep incorporates our industry-leading positive drive system and the most intelligent sweep control on the market today to provide the highest performance of any zero-entry sweep. Additional safety switches are easily added to the X-Series control to prevent employees from entering the bin during the operation of the sweep.
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Vehicle Traffic Door

An optional vehicle traffic door is available when a larger opening is required or where a skid-steer loader will be used for final cleanout. The door is designed so that everything is accomplished from the outside of the bin. With no center posts to remove, it is easy for one person to open the door. Available on 72'–156' (21.95-47.55 m) bins.


One size does not fit all when it comes to storing grain, and that’s why GSI features over 300 versions of the 4032 Stiffened, 2.66" Corrugated grain bin. With the ability to hold anywhere from 15,000 bushels to 1.9 Million bushels, our full line of grain bins are customized to fit your needs and maximize your profitability.

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For a full list of all specifications, view the brochure.

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