▁in ▁ 1 9 0 9 . ▁They ▁were ▁rec lass ified ▁as ▁the ▁Q a ▁class . ▁ ▁They ▁operated ▁branch ▁line ▁services ▁on ▁the ▁M und aring , ▁M und aring ▁We ir , ▁Pin jar ra - Hol yo ake ▁and ▁Upper ▁Dar ling ▁Range ▁lines ▁as ▁well ▁as ▁on ▁the ▁Eastern ▁Railway ▁to ▁North am ▁and ▁South ▁Western ▁Railway ▁to ▁Bun bury . ▁All ▁were ▁with dra wn ▁in ▁ 1 9 2 4 / 2 5 . ▁ ▁Class ▁list ▁The ▁numbers ▁and ▁periods ▁in ▁service ▁of ▁each ▁member ▁of ▁the ▁Q ▁class ▁were ▁as ▁follows : ▁ ▁Names akes ▁The ▁Q ▁class ▁design ation ▁was ▁re used ▁for ▁the ▁Q ▁class ▁locomot ives ▁that ▁were ▁introduced ▁in ▁ 1 9 3 1 . ▁It ▁was ▁re used ▁in ▁the ▁ 1 9 9 0 s ▁when ▁the ▁West ra il ▁Q ▁class ▁dies el ▁locomot ives ▁entered ▁service . ▁ ▁See ▁also ▁ ▁Rail ▁transport ▁in ▁Western ▁Australia ▁List ▁of ▁Western ▁Australian ▁locomot ive ▁classes ▁ ▁References ▁ ▁Notes ▁ ▁C ited ▁works ▁ ▁Category : H aw th orn ▁Les lie ▁and ▁Company ▁locomot ives ▁Category : R ail way ▁locomot ives ▁introduced ▁in ▁ 1 8 9 6 ▁Q ▁W AG R ▁class ▁( 1 8 9 5 ) ▁Category : 3 ▁ft ▁ 6 ▁in ▁gauge ▁locomot ives ▁of ▁Australia ▁Category : 4 - 6 - 2 T ▁locomot ives ▁Category : Sc ra pped ▁locomot ives <0x0A> </s> ▁A ph ron ast es