High production low cost per yard of material produced

​The Revolver RT508 is the highest production plant of its size in the industry. Its 5' diameter x 8' long variable speed drum, 36" variable speed feeder, high horsepower Kubota diesel and pressure compensating hydraulic system, all allow for a low cost highly efficient plant capable of 75 to 125 cubic yards per hour in a "one man" operation.

Revolver Screening Systems is the manufacturer and worldwide distributor of the portable trommel screening plant known as the "Revolver RT508".  A wealth of experience in the industry and many years spent working with contractors and listening to their needs, has lead to this "state of the art" screening system that truly is an innovation in portable trommel screening equipment.  The Revolver RT508 is a machine that has been designed and built to the highest standards using quality materials and components.  We have taken the greatest care to produce a safe, reliable machine that will provide years of production.

User friendly, versatile and efficient

The user friendly features of the Revolver RT508 include the "quick change" drum with a different screen size adds to the versatility of the plant. The brush screen cleaning system with ground level adjustment, removes the headache of screens plugging and slowing production.

Contact us for more information



Quick and easy mobilization

​Easily transported using a one ton pickup truck, the Revolver RT508 offers quick and easy mobilization and set up times, all necessary requirements of todays contractors. A 12,000 lb. highway axle, hydraulic landing gear, legal weights and dimensions gives the RT508 the street portability needed by landscaping companies and topsoil producers of any size.

Revolver Screening Systems

"Innovation in Portable Trommel Screening Equipment"

Manufactured in North America to the heavy duty standards contractors demand

Keast Equipment Inc.

"When Rock Meets Steel"

Revolver 508 Portable Trommel Screener