Features…
- The Model 135 Center Fill assembly’s 13.5” wide spout is an excellent upgrade for Harvestore® structures with older, narrower spouts.
- Self-Centering: No drop tube is needed.
- Clean: Fallout and potential for losing feed are reduced.
- Symmetric Filling: Promotes smoother unloader operation.
- Low Maintenance: Long lasting engineered design.
- Engineered curvature reduces the amount of lost material, especially unseen leaf loss, which is often blown away when filling.

Why Model 135 Center Fill…
Exclusive Hot-Dipped Galvanized Coating
Only the center fill manufactured by Engineered Storage Products is hot-dipped galvanized. Others are pre-galvanized, a less thorough method. The hot-dipped process increases resistance to corrosion.
13.5" Wide Spout
The 13.5" spout matches or exceeds the capacity of most high capacity blowers. Chances of plugging are reduced. If plugging should occur, covers are easily removed for cleaning.
Rugged Support Hardware
All mounting supports and angles for the Model 135 Center Fill are hot-dipped galvanized and designed to resist high winds.
Engineered Curvature
The curvature is engineered to match a specific Harvestore structure diameter. The proper curvature reduces blower air turbulence, which causes wind losses and material fallout at the top of your structure. Remember: A specific diameter requires a specifically engineered curvature.
Centering Chute
You can accurately direct material to the center of the structure. This process eliminates the need for a drop tube to control material centering. The centering chute can be pre-adjusted at time of installation for consistency.
Made by Engineered Storage Products
The Model 135 Center Fill is specifically designed for Engineered Storage Products brand structures and tooled to precisely engineered standards. The Model 135 is the only center fill approved by Engineered Storage Products Company.

