▁of ▁w agon , ▁the ▁third ▁separ ates ▁different ▁classes ▁of ▁the ▁same ▁general ▁type , ▁and ▁the ▁four ▁letter ▁indicates ▁the ▁maximum ▁running ▁speed . ▁ ▁The ▁last ▁four ▁whe e led ▁open ▁w ag ons ▁were ▁built ▁in ▁ 1 9 5 8 , ▁but ▁were ▁not ▁scra pped ▁in ▁large ▁numbers ▁until ▁the ▁ 1 9 8 0 s ▁when ▁new ▁bog ie ▁w ag ons ▁replaced ▁them . ▁In ▁ 1 9 8 7 ▁the ▁bog ie ▁w agon ▁fleet ▁number ed ▁ 5 0 0 0 , ▁with ▁approximately ▁ 7 0 0 ▁gra in ▁ho ppers , ▁ 8 0 0 ▁container ▁fl ats , ▁ 1 0 0 0 ▁l ouv red ▁v ans , ▁ 7 0 0 ▁open ▁w ag ons , ▁ 4 0 0 ▁tank ▁cars , ▁and ▁ 3 0 0 ▁flat ▁w ag ons . ▁Today ▁the ▁broad ▁gauge ▁intr ast ate ▁fleet ▁numbers ▁ 2 6 0 0 , ▁with ▁large ▁numbers ▁of ▁l ouv red ▁v ans , ▁open ▁and ▁flat ▁w ag ons , ▁and ▁tank ▁cars ▁stored ▁or ▁scra pped ▁due ▁to ▁the ▁transfer ▁of ▁traffic ▁to ▁road ▁following ▁years ▁of ▁a path y ▁by ▁Govern ments . ▁ ▁Oper ations ▁ ▁Com mod ities ▁ ▁Victoria ▁does ▁not ▁have ▁a ▁dominant ▁min ing ▁base ▁as ▁with ▁other ▁states , ▁and ▁has ▁tradition ally ▁been ▁more ▁dependent ▁on ▁agricult ure ▁for ▁rail ▁fre ight ▁traffic . ▁In ▁the ▁early ▁ 2 0 th ▁century ▁rail ▁was