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These hoppers confine concrete when pouring into narrow forms and prevent segregation due to free-fall. Attached to the bucket gate, the hopper opens and closes with the gate itself to control spillage and ensure proper flow control. When grounded, it folds under the bucket without damage. Sizes fit all Gar-Bro buckets.
Rubber Accordion Hoppers
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Item #

Bucket Series or Item No.

Length Below Bucket (ft.)

Discharge Opening (in.)

Weight (lbs.)

409-E N/A All "R-Series", "G-Series", and "L-Series" Buckets N/A 3 N/A 8 N/A 27
409-U N/A All "R-Series", "L-Series", and "G-Series 1/2 Cu. Yd. and larger" Note: Item 409-U is not recommended for use in environments where the ambient temperature is below 50 degrees Fahrenheit. N/A 3 N/A 8 N/A 50
409-W N/A All "R-Series", "L-Series", and "G-Series 1/2 Cu. Yd. and larger" N/A 3 N/A 8 N/A 53
429-A N/A 425, 465, 495, 4125 and Buckets with 22 inch x 32 inch Gate N/A 3 N/A 15 N/A 67
429-B N/A 440-D, 440-A, 450-D, 450-A, 460-D, 450-A, 425-A, 465-A, 495-A, 4125-A N/A 5 N/A 16 N/A 108
439-2 Ply N/A 493-A, 4139-A, 4155-A N/A 4 N/A 16 N/A 100
439-4 Ply N/A 4145-H, 4195-H N/A 4 N/A 16 N/A 125
439-6 Ply N/A 4145-H, 4195-H N/A 4 N/A 16 N/A 150
476-4 Ply N/A 4250-A and Buckets with 39 inch x 55 inch Gate N/A 5 N/A 15 N/A 480
476-6 Ply N/A 4250-A and Buckets with 39 inch x 55 inch Gate N/A 5 N/A 15 N/A 540
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