Sukup Manufacturing Co.

- Stiffened Farm Bins



Adding stiffeners to a bin transfers roof loads directly to the foundation, resulting in less stress on the sidewall sheets. This allows the use of lighter gauge sidewall sheets without sacrificing structural strength, making a stiffened bin more economical. Stiffened bins also provide excellent structural stability against grain, wind and seismic forces.

Top Features: Farm Bins | Stiffened

  1. Grade 8.2 Hardware with 1000 hour plating – Made in the USA
  2. G115 Galvanized Roof Sheets
  3. Anchor Brackets act as short stiffeners

Sukup Farm Stiffened Bins (BS) are classified as:

  • 15' -48' diameter
  • Maximum 12 rings

Farm Stiffened Bins up to 6 rings are designed for general drying and storage. They may be equipped with a stirring device with up to 3 down augers.

Farm Stiffened Bins with 7 or more rings are designed for storage and aeration only. NO DRYING

Farm Stiffened Heavy Gauge Drying Bins (BSD) are classified as:

  • 18' - 48' diameter
  • 5, 6 or 7 rings

Farm Stiffened Heavy Gauge Drying Bins are designed for general drying, wet holding/working and storage. They may be equipped with a stirring device with up to 5 down augers, a center unload continuous flow system or a recirculating device.

Sukup Bins are covered by a 5-year limited warranty.


Sukup base stiffeners cover the bottom two sidewall sheets and extend above the horizontal seams for better support and structural integrity.

Standard stiffeners are 88' to cover two sheets.

The top stiffener is tapered to fit under the roof and support the entire sheet.

Stiffeners attached to the sidewalls verticaly every 4 inches (vertically).

4' wide corrugation, 44' tall sidewall sheets.

Bolts are grade 8.2 for added strength with JS500 coating for exceptional corrosion protection.

70,000 PSI tensile strength steel.

44' and 66' doors available.

Inside door panels open flat against bin wall.

Hammerhead door latch (patent pending) allows single-handed operation and ensures easy opening of doors.

Door step included as standard equipment.

15'-48' standard roof peak load rating is 5000 lbs, evenly distributed on peak ring as pure vertical load with uniformly distributed roof snow load calculated from 40 psf ground snow zone or 90 mph wind zone as defined by ASCE7-05 Code.

Rigidized roof panel with 3' ribs that serve as rafters, strengthening the roof sheets.

Sukup's standard double-tab roof clips support roof sheets every 9 3/8' at the eave.

Roof rings are standard on Sukup bins 18' and larger. Exclusive, patent pending roof ring clips ensure that roof rings stay in place for years to come.

20' x 35.5' oval manhole opening is a comfortable fit for most operators.

Manhole cover is held securely in place by special latches. When open, the lid lays flat against the roof, eliminating the mess of water and soggy bees wings that can accumulate.

38' peak opening provides approximately 8 ft2 of air exhaust area.

Peak lid cover is mounted on steel rods to allow it to slide open and closed and prevent it from blowing around on windy days.

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