The Revolver RT508 is a state of the art trommel screening system, engineered and manufactured in North America to exceed the rugged, heavy duty standards North American contractors demand. Portability, high production, efficiency, user friendly, all are key benefits with this very affordable plant designed to provide a low processing cost per yard in a wide variety of materials.

The RT508 boasts specifications that meet or exceed those of much bigger plants. The 5′ diameter drum is the biggest in its class in the industry. The 36″ variable speed belt feeder is the widest in its class in the industry. Add the driving power of either the Caterpillar or Kubota diesel engines and the RT508 becomes a very attractive plant suitably productive, no matter what the conditions.

Applications from all across Canada and the United States, and even as far away as Australia, have put the RT508 to the test only to add to its growing reputation as a compact, versatile plant whose features and benefits out weigh its competitors, from home and off shore.

Brochure and Specifications

Topsoil, Loam, Black dirt, Compost, Mulch, Sand and gravel, Construction and demolition debris, Recycling


The drum of the RT508 has been designed with the standard features and specifications that benefit increased profitability by maximizing production and keeping waste to a minimum.

  • 5′ Dia. x 8′ long with choice of screen size – the widest diameter in its size class in the industry
  • Variable speed rotation for optimum screening action and product control
  • “Quick change” feature – simple and easy 15 minute change out time
  • Drum is reversible to prevent plugging
  • Heavy duty brush screen cleaning system with user friendly ground level adjustment
  • Single piece screen for durability and longer life
  • Four wheel drive on foam solid rubber tires for better control and a very positive action
  • 24″ Drum mounted rubber boot extension – standard on all drums
  • Optional drum design to accommodate a range of materials


Easy mobilisation is essential for contractors and landscapers in today’s marketplace. Whether it’s getting quickly to and from a jobsite or manoeuvering around commercial or residential subdivisions, the RT508 is equipped to do the job. Easily towed by a one ton pickup truck, the Revolver can be set up to produce material in minutes saving time and increasing efficiency. Conditions, materials and circumstances will change from job to job so the RT508 is the answer for quick, easy mobilisation and productivity in tight spaces, maximizing profits by processing materials on site and eliminating hauling costs.

  • Easily towed by one ton pickup truck
  • 12,000 lb. Certified highway axle
  • 235/80R16 Highway rated radial tires mounted on solid steel rims
  • LED Light package
  • Electric brakes
  • LED Light package
  • Adjustable Pintle hitch
  • Retractable tow bar – stored inside the frame when in the operating position
  • Hydraulic landing gear – mounted inside the frame

Diesel Engine

Revolver offers a choice of Caterpillar or Kubota diesel engines. These fuel efficient engines are supported by a nation wide service organisation and are proven reliable across our industry.

  • Kubota or Caterpillar power
  • Warranty and service supported by Caterpillar and Kubota dealers country wide
  • Liquid cooled
  • Enclosed engine compartment with easy access for service
  • Glow plugs with adjustable settings

Feed Hopper

Applications and jobs will vary, materials will be different site to site and specific loading equipment may not be available as required. To accommodate these conditions, the feed hopper of the RT508 is protected with a lining of hard wearing UHMW – durability and less material bridging and features a low dump height and a 36″ wide variable speed belt feeder, the widest in its class in the industry. Skid steers, tractor backhoes, hydraulic excavators and wheel loaders with up to a 9′ wide bucket all work well with the RT508.

  • 36″ Variable speed belt feeder, 3 ply belt, high impact idlers
  • 4 1/2 Cu. yd. capacity
  • Low dump height
  • Fitted with a protective layer of UHMW – hard wearing and less material bridging
  • Accommodates up to a 9′ wide bucket
  • Hopper wing flares, foldable for travel

Control System

Simple yet very effective, the user friendly engine control system of the RT508 is state of the art technology. The hydraulic controls are specific and very functional with variable speed as required. All the necessary requirements for processing materials of different types in different conditions.

  • State of the art ignition and engine control panel
  • Pre-set low and high idle control
  • Low oil pressure and high temperature shut down
  • Low fuel warning and shut down
  • User friendly hydraulic control functions
  • Variable speed feed control
  • Variable speed drum rotation with reversing function
  • Variable speed, hydraulic folding end discharge conveyor
  • Hydraulic jacking legs
  • Plant mounted emergency shut down switches on both sides of the plant
  • Sufficient power to operate optional auxiliary equipment

Optional Plant Mounted Overs Conveyor

For a complete “one man” operation the optional plant mounted overs conveyor saves time and extra material handling costs. The overs or spoils are discharged and stockpiled at the side of the plant. The variable speed chevron style belt with deep cleats prevents the material from rolling back. When hydraulically folded into the transport position, the trommel screen remains fully portable to be towed with a one ton pickup truck.

  • Plant mounted
  • Hydraulically folding
  • Heavy duty, variable speed belt
  • Chevron style belt with deep cleats
  • Receiving hopper with high impact bed

Brochure & Spec. Sheet

Main Discharge Fines Conveyor

With mobility and quick set up time very important factors in choosing a portable trommel screening plant, the RT508 is equipped with a hydraulic folding fines discharge conveyor. A very necessary function demanded by contractors operating in a difficult conditions.

  • 36″ Wide with a 3 ply belt
  • Variable speed
  • Stockpile capacity of 75 cu. yards
  • Fully functional hydraulic fold

Optional Equipment

  • Extra drums with choice of screen size
  • Drum design with completely smooth interior
  • Hydraulic function for auxiliary equipment