1150 Maxtrak Pre-Screen & Chieftain 2100X Hard Limestone

1150 Maxtrak - Chieftain 2100X - Machine photo


At this site in Duleek, a Powerscreen 1150 Maxtrak Pre-Screen crushed blasted hard Limestone (Abrasive) and a Powerscreen Chieftain 2100X screened the product.


Jaw > 1150 Maxtrak > Chieftain 2100X (This machine trail was working for 10 hours every day).

Machine Setup/Layout

  • Jaw Crusher setup to produce 5 1/2 inch (140mm)

1150 Maxtrak Pre-Screen

  • 24mm woven mesh (producing 30-40 tonnes per hour)
  • Set at 28mm CSS
  • Running at 1650rpm
  • 773 hours total on this machine
  • Medium Coarse Short Throw
  • Producing 195 tonnes per hour
  • 70% engine load
  • 100% of products passing 35mm

Fuel Consumption: 55 Litres/hour

Chieftain 2100X

  • Top Deck: 26mm
  • Middle Deck: 14mm
  • Bottom Deck: 6mm

Producing 4 stockpiles:

  • 26-35mm product (approx 40 tonnes per hour)
  • 14-26mm product
  • 10-14mm product
  • 5-10mm product (approx 50 tonnes per hour)



The engineer on site was full of praise for the Powerscreen 1150 Maxtrak Pre-Screen, stating that it was a perfect machine for them in this application and one of the best cones he had worked with. He made it clear that the 1150 Maxtrak Pre-Screen was out-producing the 1000 Maxtrak in a similar application by 60-70tph.

Date of case study: August 2014