1985+ K-100 E:

https://www.imcdb.org/vehicle_226095-Kenworth-K-100.html
https://www.imcdb.org/vehicle_622987-Kenworth-K-100-1981.html
https://www.imcdb.org/vehicle_39018-Kenworth-K-100.html

1972+:

https://www.imcdb.org/vehicle_1497378-Kenworth-K-100.html
https://www.imcdb.org/vehicle_27385-Kenworth-K-100.html
https://www.imcdb.org/vehicle_701831-Kenworth-K-100.html

1973:

https://www.imcdb.org/vehicle_40295-Kenworth-K-100.html

1977:

https://www.imcdb.org/vehicle_61325-Kenworth-K-100.html

K-100 Aerodyne:

https://www.imcdb.org/vehicle_1225682-Kenworth-K-100.html
https://www.imcdb.org/vehicle_195770-Kenworth-K-100-1981.html

2011 and 2 stars:

https://www.imcdb.org/vehicle_1784524-Mazda-Atenza-Sport-Wagon-GZ-2008.html

Not built in Australia, but "Made for AUS":

https://www.imcdb.org/vehicle_1136474-Kenworth-K-100.html
https://www.imcdb.org/vehicle_1915232-Kenworth-K-100.html