Truck scales with grain dumps are typically placed over a receiving or collection hopper in a pit underneath the scale. You and your dealer will need to work with a millwright to choose a flexible connection from the grain dump to the collection hoppers. A flexible canvas or rubber boot can reduce the amount of fugitive dust when grain is being unloaded. Using a flexible boot helps ensure system accuracy without limiting technician access to scale components during maintenance.

Collection hoppers and conveying equipment are never attached directly to the scale. A rigid connection between the scale and collection equipment would interfere with the scale’s ability to effectively weigh and also void the warranty.

Grain Dump Truck Scale Configuration

Grain dump grating is available as an option for many truck scale models, but not all manufacturers provide this option. When manufacturers offer grain dump grating, truck scale designs must be modified to ensure weighbridge integrity is maintained with minimal deflection.

When your truck scale is quoted, grain dumps will be part of the design. Instead of just a steel or concrete deck, grating is incorporated into the modules without sacrificing structural integrity. Manufacturers using steel I-beams and an open-bottom deck design will keep I-beams running the entire length of the scale. This means grain dumps aren’t acting as giant manholes in the scale; manholes for maintenance access will be separate from the grating.

Grain dump grating can be removable or fixed. Fixed grating is welded in place, so access to collection hoppers or conveying equipment must be available from the hopper pit. Removable grating provides access to conveying equipment from the scale surface when the grating is removed. There are many configurations of grain dump truck scale modules, and you should consult manufacturers to understand the specifics of the model you’re interested in.