looking for advice to find joysticks for rayco T 275.

[australian pete]

i am in the tree clearing business in australia, have a vermeer tx 6000, recently purchased a used rayco t275, has not been looked after, needs 2 new joysticks, price from dealer in australia is A$4500 for joystick that controls tracks and A$2500 for other joystick, can any one tell me what price you pay in USA or if there are any aftermarket ones available.