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The Bigger, Badder Reversible Vibratory Plate - The GPR77
SEPTEMBER, 2006 - With eight years of exceptional maintenance history behind models GPR65 and GPR68, MBW now introduces a similar mechanical shifting design on a larger reversible. The GPR77 is a 400 pound reversible plate producing 7775 pounds of CF at 4725 vpm. The simple yet reliable shifting design lowers acquisition cost, is low maintenance and provides a geo-technical benefit in its ability to shift travel direction at constant speed. Shifting travel direction at constant speed greatly enhances the user’s probability of achieving uniform density and stiffness over the area being compacted. The GPR77 produces an amplitude of .064 inches, travel up to 85ft/min and handles all types of essentially granular soils.
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