More than forty years ago, Eugene Sukup installed his first silo for drying and storing grain. After he was faced with the problem of grain spoilage due to uneven distribution of grain moisture in the silo, he invented a special unit for mixing grain, the production of which began the history of the Sukup company. Since then, Sukup Mfg. Company has thoroughly studied all the intricacies of silo design. Over the years, the company’s specialists have accumulated extensive practical experience, which they invest in the production of each product manufactured by the company, including Sukup silos. For more than 40 years, Sukup Mfg. Company has provided its customers with high-quality and reliable equipment for storing and processing grain. The high quality standard of our products is achieved due to the fact that almost all components of our products are manufactured in our own production areas with the introduction of as many of our own innovative technological developments as possible. Therefore, when Sukup Mfg. Company began its entry into the silo market, the first investments were aimed at purchasing the most modern and high-tech equipment for the production of profiled sheets, which was specially designed to meet the high quality standards of our company. The process of manufacturing silos on our technological line is fast, efficient and most importantly, high-quality and reliable. Silos manufactured by Sukup Mfg. Company are assembled quickly and efficiently, and at the same time they will reliably serve you for many years.
The largest access hatches to the silo
The oval-shaped hatch measures 20 x 35.5 inches (50.8 x 90.17 cm), making it easy for people of all sizes to enter the silo. This size also provides more than five cubic feet (0.15 m3) of airflow for ventilation.
Specially designed latches hold the hatch cover securely in place, and the latches open effortlessly when needed.
In the open position, the hatch cover fits snugly against the silo roof, so the hatch will not close in a gust of wind.
Large diameter loading funnel
The loading hopper of Sukup silos has a large diameter of 38 inches (96.52 cm).
The hopper cover consists of two conical parts, which gives the cover more strength compared to silos from other manufacturers.
The hopper cover is attached with steel rods, which allow you to open the hopper by simply moving it to the side. This type of fastening also avoids the hopper cover from falling off and unnecessary rotation on windy days.
High-strength silo roof
The maximum load on the roof of the Sukup silo is 5000 pounds (2268 kg.), Which makes the roofs of Sukup silos the strongest and most reliable on the market.
The roofs of Sukup silos are made of high-quality, high-strength galvanized steel of the G90 brand. Each sheet of the roof sheathing has a bend every 4 inches (10 cm.), This solution has increased the strength and reliability of the entire structure.
Three-inch stiffeners increase the tightness of the sheathing sheets.
Bends on each side of the stiffeners give the structure additional strength, which allows the roofs of Sukup silos to withstand heavy snow loads and strong gusts of wind.
Sukup Mfg. Company uses two different sizes of rollers to form the stiffeners, allowing the sheets to fit very tightly together.
Toothed washers are used to secure the panels.
Using the washers makes assembly faster and easier.
The teeth grip the roof surface and prevent the nuts from loosening.
Sukup silo roofs are held at the edges by double clamps every 9-3/8 inches (23.81 cm).
The clamps can be in two positions: upper – when drying grain in the silo to release moisture-containing air; lower – for long-term storage of grain.
| Coating type | Time to rust, hours |
| JS 500 | 500 |
| Polyseal | 240 |
| Zinc dichromate | 108 |
| Zinc | 72 |
Innovative door design
Sukup Mfg. Company offers two door sizes:
66-inch (168 cm) for silos with 7 or fewer rings.
44-inch (112 cm) for silos with 8 or more rings.
Both door sizes have double-sided, inside and outside access covers.
The top and bottom door latches are connected to each other, which allows the door to be opened with one hand.
The outside access door is mounted on hinged platbands, which contributes to the tightness of the door.
The silo design does not have any cross beams that interfere with movement in the silo.
The outside door opens completely and fits tightly against the silo wall.
The outside door closes tightly due to the use of pins. The exceptional strength of Sukp silo doors is achieved precisely due to the use of pins.
Even our hardware is better than our competitors
All hardware used in Sukup silos is coated with a special anti-corrosion coating JS 500, which has a rating of 8.2 for the requirements of assembly and sealing of spacecraft. The table below shows the time to rust when performing special tests compared to other, most common, forms of anti-corrosion coating.
Exact match
When manufacturing silos, Sukup Mfg. Company uses only the most modern equipment, so the mounting holes in the silo panels are made with very high precision. Thanks to this, Sukup silos are assembled quickly and efficiently, and the lining panels fit very tightly to each other.
Double-sided side panels of Sukup silos allow you to speed up the assembly and make the process almost error-free, since it does not matter which side to install the panel.
If necessary, the upper lining panels can be specially perforated at the factory for installing guides for mixing grain FastirR augers – Sukup augers help avoid the formation of air pockets and wet zones in the silo.
The lower lining panels can also be specially perforated for installing waterproofing of the silo bottom.
The exclusive mounting bracket acts as a stiffener
Sukup Silo Brackets 22 inches (56 cm) high simultaneously perform the functions of a silo support post and a stiffener of the silo interior chamber.
The additional length of the bracket reduces the vertical load on the bottom of the silo wall by 30%.
The two-piece “L”-shaped bracket transfers the vertical load directly to the concrete base on which the silo is installed, and not to the lower supporting part of the silo walls, thereby preventing damage to the bracket and / or lower lining sheets.
The clamp also prevents vertical and horizontal movement of the silo walls and the unrolling of the lining sheets.
The exclusive two-piece design allows the clamp to flex slightly as the silo shrinks.
