Australian CGT mystery

[Tony Smith]

Originally posted by Keith Webb
I was having a look at some pictures of the "Peters 5 ton crane" which I think were taken either during or shortly after the war of an Australian CGT chassis,

Mike Cecil's book on "Australian Scout and Armoured cars" mentions Peters Brothers:
"By mid 1943, all the Model 8446 4x4 chassis ordered from Canada had arrived, and apart from those in use, were in storage at the Fisherman's Bend plant of GMH. They remained there until mid-1944 when at least75 were assigned to the company of Peters Brothers, located in the Sydney suburb of Redfern. Peters Brothers had been undertaking the construction of general purpose cranes for the Services based on various makes of wheeled tractors, such as the International W-9. Peters Brothers built at least 75 cranes based on this chassis, these being assigned Commonwealth registration numbers 144311 to 144322, 144373 to 144421 and 144722 to 144735."

Mike says these crane conversions were "For the Services", which would explain the officer in the photos, but doesn't make clear if the ARN's are assigned to the finished cranes, or were from the donor gun tractors and bare chassis. Do any of the C-GT9's numbers fall in the ranges mentioned?