Rubbermaid Commercial Brute Trainable Dolly, 44/55-Gallon Containers, 21 x 29 x 6 7/8, Black Move up to three Brute? 32-, 44- or 55-gal. containers at once. Tilt stabilizer provides an easy way to tilt containers for emptying. Color(s): Black; Dolly Size: 21 x 29; Capacity (Weight): 250 lbs; For Use With: Brute? 20-Gallon, 32-Gallon, 44-Gallon, and 55-Gallon Round Waste Containers.