Industry-Leading Nut Processing Equipment

Time to update your nut handling machinery? Call Alstonville Steel!

Our Northern Rivers workshop supplies nut farms and operations throughout Australia with handling and drying equipment that is specifically designed to complete even the most labour-intensive jobs.

For more than 30 years our team have been at the forefront of manufacturing nut handling products, including:

  • Blowers
  • Dehuskers
  • Dump, bunker, drying & receival bins
  • Air sorters
  • Elevators/Conveyors
  • Silos
  • Sorting tables
  • Farm Trailers
  • Trommels
  • Trash removal belts
  • Easy let-downs

As well as custom designing and manufacturing the above products, our team can also supply you with quality spare parts, electric motors, gearboxes, belting and steel, to guarantee your nut farming equipment is functioning the way it should.

Need help with a small to medium-sized fabrication project? Pick up the phone or come into the office to discuss your requirements with an experienced team member.

Air Ducting & Service Platforms

As each project is unique, we construct to the client’s needs. For more information contact us.

Bunker Bins

Bunker Bins for Drying inside a Shed. Bins are made from all Galvanised Steel. Size and shape to fit shed space resulting in minimal lost space. Can be made to suit from 2 to 20 tonne capacity. Low bed depth of nut approximately 2 meters. Option of enclosing the fans with ducting & extending a vertical air duct into ceiling cavity to use the dry solar heated air present.

For more information contact us.

Standard Sizing:
3.5tonne – 1300mm Width x 2600mm Depth x 3000mm High
12tonne – 3250mm Width x 3250mm Depth x 3250mm High
Include Outlet, Fan & Floors


These robustly constructed machines offer the flexibility of multi-heads. Most rocks picked up at harvest will not damage rollers. Opening Head makes for ease of access. Handles thin-shelled varieties without damage. Designed to enable unrestricted nut flow to the chain without the risk of clogging up.

Capacity to approx. 500kg of NIS per Hour per Roller. Locally Designed and manufactured. For more information contact us.

Air Sorters

Alstonville Steel’s newly designed Air Sorter sorts husk and shell and some inferior nut from the whole Nut in Shell, getting rid of any rubbish coming through, and making your final sort much easier & cleaner. Can be used for Macadamias, Walnuts, Pecans.

For more information contact us.

Dump Bins

Our fully Galvanised Dump Bins come in standard sizes or custom-made.

For more information contact us.

Standard Sizes:
Cubic Capacity 0.6 – 1200 x 1200 x 100
Cubic Capacity 0.9 – 1500 x 1500 x 100
Cubic Capacity 1.9 – 1800 x 1800 x 300
Cubic Capacity 3.2 – 2400 x 2000 x 300
Cubic Capacity 4.0 – 2400 x 2400 x 500
Cubic Capacity 7.2 – 3000 x 3000 x 300
Cubic Capacity 9.0 – 3000 x 3000 x 500

Easy Let Downs

Quieter Nut Movement. Designed to limit nut damage & make the process of moving nuts quieter. Avoids damage & bruising to the nut and reduces the noise as they are loaded into the Silos. Fitted inside the silo the design does not inhibit airflow through the structure giving uniform drying.

Can be retrofitted to all Silos & Bunker Bins. For more information contact us.


All Elevators are supplied with either Fixed or Variable Speed Motors, single-phase or 3-Phase. Made in Modula Form for lengths required.

Roller Size: 90mm or 150mm
Standard Widths: 150mm, 225mm, 300mm & 400mm or to your specifications

For more information contact us.

Husk Blowers

These Blowers are designed to break up husk & nuts into small pieces for tree fertilizer. All models can be fitted with Attenuators at the end of a husk pipe for noise reduction by up to 10 decibels. Sturdy construction, using 8mm Steel Impellers.

90mm, 100m or 150mm Outlets – Single or 3Phase. For more information contact us.

Sorting Tables

Sorting Tables come in standard sizes but can be custom-built to individual requirements. Single Phase or 3Phase. For more information contact us.

Standard Sizes:

400mm Wide Lengths: 
2.0mtr, 2.5mtr, 3.0mtr, 3.5mtr, 4.0mtr

600mm Wide Lengths: 
2.0mtr, 2.5mtr, 3.0mtr, 3.5mtr, 4.0mtr


Hydraulic Tipping Trailers have been specially designed to transport nuts from the orchard to the Dehusking Shed. These durable trailers have a heavy duty chassis designed for long term use. Our standard design incorporates a single axle with hinged tailgate.
Fixed or Drop Sides.

For more information contact us.

Standard Sizes:

3mtr x 1.8mtr x 600mm fixed/drop sides – (3.24m3/2.1tonne)
2.4mtr x 1.8mtr x 600mm fixed/drop sides – (2.6m3/1.68 tonne)
2.4mtr x 1.8mtr x 400mm fixed/drop sides – (1.7m3/1.12 tonne)

Trash Removal Belts

Automatic Trash Removal Belt has been developed and improved over the years. This is a simple way of disposing of unwanted material, such as sticks, leaves, rocks and other rubbish. It can be adapted to fit existing systems. The angled frame can be adjusted and a wide belt allows nuts to spread out for more efficient operation.

Power source either Single or 3 Phase. Standard Size 850mm wide x 1,800mm long. Can be custom-built to requirements.

For more information contact us.


Our nut-grading Trommel is of solid construction and manufactured with a pressed metal screen. This design allows for accurate grading of nuts and discharge of undersized nut & excess husk. The waste can then be dropped into a Blower & discharged or fed onto a Waste Conveyor.

Power source either Single or 3Phase.

For more information contact us.

Four Standard Models:

2400mm x 750mm diameter
1200mm x x750mm diameter
1800mm x 500mm diameter
1200mm x 500mm diameter

Multiple Screen Sizes are available.