Atrac is an Australian manufacturer of multi-purpose tractors (M Series Multi-trac)  built to carry a wide range accessories based on the Goldacres self-propelled sprayer models G4 & G8
Goldacres is a leading manufacture of spray equipment.  Founded in 1978 the company produce a wide range of sprayers such as trailing, traymount, three point linkage as well as a range of self-propelled models all of which are designed and manufactured in Australia.