Aggregate Machinery Specialist is a closely held California corporation started in 1988 to service predominately the aggregate and construction industries. Later in 2003 Aggregate Machinery Inc. was established in Arizona to better serve Arizona, Nevada, New Mexico, and Hawaii.

We are proud to represent quality suppliers and manufacturers that include:

  • Dings Magnetics
  • Advanced Detection Systems
  • Deister Machine Co.
  • Hazemag
  • Urethane Screen Corporation
  • EIW
  • Kafka Conveyors
  • Telsmith

We also have OEM (original equipment manufacturer) agreement with the following as well as many others:

  • PugMill Systems
  • FL Smidth Krebs
  • Masaba Mining Equipment
  • Neptune Process

Used equipment is available. The primary source being our rental return equipment. Customer trade-ins, direct purchase, and auctions are also sources for equipment. We maintain a data base of used equipment as well as working with other dealers in the United States in an attempt to meet our customers’ requirements.

Our Work

We enter into discussions with our customers and listen to what their needs, problems, and budget entail. This can range from something relatively easy such as sizing a piece of equipment, or making customer specific recommendations, furnishing the necessary drawings, expediting delivery, helping during installation, being there at start-up, and periodic operational checks.



Added a crushed rock circuit to an existing sand and gravel operation for the processing of sand and gravel. Furnished all engineering, drive overs, stackers, screens, structures, conveyors, less the crushers


Have worked with this customer since 1975 providing engineering, crushers, new and used equipment, Deister screens, tunnel feed systems, extendable radial stacker, belt presses, and clarifier. Relationship still continues today with the next generation of managment.

Typical Screen Installations

Deister 8’x20′ rinse screen station following log washer

Deister 6’x16′ double deck heavy duty scalper ahead of jaw crusher.

Deister 8’x24′ fully enclosed triple deck with dust enclosure, access on top of screen.

Portable 8’x20′ horizontal triple deck, triple shaft plant.

One of three Deister Horizontal 8’x20′ screens selected to replace competitor’s three year old units.

Deister 7’x12′ Dewatering screen with structure designed to fit existing plant layout.

Deister dewatering screen replacement deck with Urethane screen support grids.

Retrofitting batch type asphalt plant with new Deister 5’x16′, 3 1/2 deck enclosed screen.

Plant modifications with dual Deister 8’x24′ triple deck incline screens, dust collectors, structures and conveyors.

Deister 8’x20′ four deck incline screen. Concrete aggregates wash system structure, Krebs cyclones, Deister 5’x8′ dewatering screen.

Deister 8’x20′ two deck horizontal wash screen and structure. Designed to fit into existing plant configuration.

Portable, wheels removed, Deister 8’x20′ triple deck screen plant.

AMS Deister portable rip rap feeder grizzly plant, making 3 products.

Deister 6’x12′ dewatering screen, with standard depth of bed of material.

Deister 7’x12′ dewatering screen and structure, designed to fit in existing plant.

Conveyor Installations

New crushed rock primary screen station with conveyors and Deister screen.

Custom built and designed concrete batch plant feed conveyors.

Hazemag Horizontal Shaft Impactor Crushers

Hazemag Horizontal Shaft Crushers, processing recycled concrete and asphalt, beneficiating soft rock to salable products, mining applications such as cement, Borax, and burn in beverage and glass recycling crushing “stale” beer.

Water Clarification

85′ thickener, automation, chemical system and 60′ clean water tank.

40′ thickener, automation, chemical system and 40′ clean water tank.

Two 3.0 meter, skid mounted belt filter presses.