KEESTRACK Crusher Aggregate Equipment For Sale Crusher. For Sale Price: CAD $617,930. Finance for as low as CAD $11,415.86 monthly*. The Used 2018 KEESTRACK R3 DESTROYER 1011 is offered at CAD $617,930.00. This financing payment is based on a lease transaction. Monthly lease payments of CAD $11,415.86 pretax for 60 months at an annual percentage rate of 7.36%.