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Grain Bin Hopper Wall Repair Kit for 6-Foot Feed Bins
Repair the tapered hopper on a compatible 6-foot-diameter bulk feed or grain bin with a complete six-section galvanized wall kit. These replacement taper sheets are made from 18-gauge G90-coated steel, with bolts, nuts and caulking material included for assembly. This kit replaces the hopper walls below the cylindrical bin, not the straight storage sidewalls.
Check fit carefully before ordering: confirm the diameter, number of wall panels, 52-inch sheet length, bolt-hole spacing and connection details. Older 1954-1985 PAX bins measuring 6 feet 6 inches across and using eight panels are not compatible. Compare other grain bin wall repair kits if your existing bin differs.
Compatibility notice: This six-section kit is for a 6-foot-diameter hopper. It does not fit older 1954–1985 PAX bins measuring 6 feet 6 inches in diameter with eight wall sections.
Includes assembly hardware and sealant; see the complete contents list below.
Hopper Wall Sheet Specifications
What This Hopper Wall Repair Kit Includes
This kit supplies six replacement hopper wall sections, also called taper sheets, for a compatible 6-foot-diameter bulk feed bin. It is for the tapered hopper rather than the cylindrical storage sidewalls. Confirm the existing bin's dimensions and connection details before ordering.
PAX Bins: Please note that this kit fits the 6' diameter bin, not the older 1954-1985 PAX bins, which were 6' 6" in diameter with (8) wall sections. This kit has (6) wall sections, not (8). This will not fit the older 6' 6" diameter PAX bin, only the 6' diameter bin.
Hopper Wall Dimensions and Material
- (6) hopper wall sections for the six-foot diameter bin
- Each sheet is 52" long
- Bolt hole spacing is 3 1/8” on top and bottom
- A total of 13 holes on top and 4 on the bottom
- Includes sealant and hardware - see list below
- The walls are 18-gauge, G-90-coated galvanized steel
- PAX and Brock compatibility requires verification of the exact bin model, diameter, six-section configuration, sheet dimensions, and bolt pattern. Brand name alone does not establish fit.
Included Hardware and Sealant
- (6) Bin Walls
- 80 – 5/16 x 1” Hex Head Bin Bolts
- 120 – 5/16 x ¾” Truss Head Bin Bolts
- 200 – 5/16’ Hex Flange Nut
- 2 – 50’ Roll Caulking
Wall Section Diagram
Wall sections - taper sheet sections
How to Identify the Correct Grain Bin Hopper Wall Kit
The most important step is matching the replacement wall geometry to your existing hopper. Measure the bin diameter at the specified connection point, count the tapered panels and examine the existing bolt pattern before ordering. A nominal diameter or manufacturer name alone does not guarantee the parts will fit. Previous repairs and older production designs can create differences even among bins with similar names.
For this kit, the listed six-panel configuration uses 52-inch-long wall sections, a nominal 3-1/8-inch hole spacing, 13 holes at the top and four at the bottom. Compare each of those figures with the sheets being replaced, and contact Barn World if a dimension is unclear.
Six-Foot Bins vs. Older PAX Hopper Designs
This replacement kit is intended for compatible six-foot-diameter hoppers built with six tapered wall sections. It is not designed for older 1954-1985 PAX bins measuring approximately 6 feet 6 inches across and using eight sections. Those older bins require a different geometry; attempting to force an incorrect panel into position can misalign the seams and bolt holes.
If your bin is a PAX or Brock design, verify the exact production configuration, panel count and measurements. Do not select solely from a label bearing the brand name. Review the other sizes shown in the comparison chart if the existing hopper does not match this kit.
Hopper Taper Sheets vs. Grain Bin Sidewall Sheets
A bulk feed bin has distinct structural areas. The cylindrical sidewall contains the main storage volume, while the tapered hopper directs feed downward toward its discharge opening. This kit replaces the angled hopper panels. It does not replace damaged cylindrical wall sheets, legs, a cone outlet or the complete bin assembly.
Inspect the surrounding structure before purchasing replacement panels. Corrosion or damage around legs, mounting connections or major supports may require additional parts or professional evaluation. Replacing hopper panels alone cannot correct a compromised support structure.
What Comes with the Repair Kit?
The kit includes six galvanized hopper wall sections, specified hex-head and truss-head bin bolts, matching flange nuts and two rolls of caulking material. Review the full itemized contents listed above before installation, and compare the supplied fasteners with the applicable assembly instructions. Keep sealing surfaces clean and use the provided sealing material as directed to help limit moisture entry at panel seams.
Planning a Safe Hopper Repair
Empty the bin and arrange safe access before beginning work. A hopper supports substantial stored material and may be connected to structural legs and adjacent panels. Do not remove load-bearing sections while the bin contains grain or feed, and do not rely on temporary or improvised support. Consult the bin manufacturer or a qualified installer for disassembly order, structural support, fastener tightening and safe reassembly.
Align the replacement panels and bolt holes without forcing the metal or enlarging holes unless specifically directed by the manufacturer. Check all seams, supports and connections before returning the bin to service. Follow applicable confined-space and work-at-height precautions for the particular site.
Galvanized Steel, Corrosion and Long-Term Maintenance
The replacement walls are made from 18-gauge steel with a G90 galvanized coating to help resist corrosion. Galvanizing improves durability, but it does not eliminate corrosion caused by standing moisture, trapped feed, damaged coatings or chemical exposure. Inspect the repaired hopper periodically for rust, leaks and shifting or loosened joints.
Maintain the hopper outlet and drainage around the bin, and address damaged sealant or unusual movement promptly. Conditions that caused the original panels to deteriorate should also be corrected to protect the new installation.
When to Repair the Hopper Instead of Replacing the Bin
Replacing the tapered wall sections can be a practical approach when the cylindrical body, legs and other supporting components remain serviceable and the repair kit matches the existing construction. It may be less disruptive than replacing an entire bulk feed bin. However, if major supports, multiple structural sections or the underlying foundation are compromised, a broader repair or replacement assessment is warranted.
Consider total costs for parts, labor, safe access, lifting or support equipment, and freight. A correct fit is more valuable than buying a less expensive kit that requires modifications.
Freight and Ordering Information
These galvanized wall sections and hardware need appropriate packaging and shipping arrangements. Before requesting a delivered quote, have your destination ZIP code, hopper diameter, panel count, measurements and any available model information ready. Photos of the existing hopper and bolt pattern can also help clarify compatibility when discussing the order.
For other sizes, explore our grain bin hopper wall repair kits. Contact Barn World before ordering if you are uncertain whether this six-section design fits your bin.