The Prospectors Patch

GRB 777 Mini Rock Crusher by Armstrong Industries


Pickup available at 3/144 Great Eastern Highway

Usually ready in 24 hours

It is the smallest of our GRB range. It is perfect for the weekend prospector as it can be operated at home or on the goldfield.

It has a 550 Watt electric motor which can easily be run by a 2KVA generator.

It has a simple On/Off selector switch.

No more need for a dolly pot, what would normally take you hours can be done in minutes.

The Cylinder size has a Diameter of 120mm and a Length of 150mm.

Total Size

  • Length  500mm
  • Width  350mm
  • Height 500mm
  • Weight approx 30Kg
  • Capacity approx 50Kg per Hour

Express Shipping

Fast shipping with tracking via Australia Post

Instore Pick Up

Online order pick up available at our Midvale store. Ready in 24 hours Mon-Fri

Family Owned

We are a family owned and operated small business since 1987

Pat The Shop Dog

We highly recommend you pat the shop dog on arrival

Pay Dirt

Want to have a go at panning gold without having to travel into the goldfields? We offer pay dirt bags with real goldfields soil and guaranteed gold in each bag.

Shop Now