. ▁▁ ▁Se vent y ▁engines ▁of ▁Baden ▁classes ▁III ▁and ▁III ▁a ▁were ▁re built ▁between ▁ 1 8 8 1 ▁and ▁ 1 8 9 1 . ▁They ▁were ▁all ▁given ▁a ▁new , ▁more ▁powerful , ▁three - ring ▁bo iler ▁with ▁a ▁larger ▁gr ate ▁area . ▁Because ▁this ▁was ▁longer ▁than ▁the ▁original ▁bo ilers , ▁the ▁frame ▁of ▁the ▁Class ▁III ▁had ▁to ▁be ▁extended ▁( on ▁the ▁Class ▁III a ▁it ▁was ▁long ▁enough ) ▁and ▁a ▁buffer ▁beam ▁built ▁onto ▁the ▁front . ▁▁ ▁The ▁bo iler ▁had ▁a ▁Bel pa ire ▁fire box ▁with ▁a ▁somewhat ▁higher ▁top ▁surface . ▁A ▁larger ▁steam ▁d ome ▁was ▁fitted ▁on ▁top ▁of ▁the ▁rear ▁bo iler ▁ring . ▁ ▁Further ▁reading ▁▁▁ ▁Lok om ot iv - Arch iv ▁Baden , ▁Hermann ▁Lo hr , ▁Georg ▁Th iel mann , ▁trans press ▁Berlin , ▁, ▁ 1 9 8 8 , ▁pp ▁ 8 2 – 8 8 . ▁ ▁See ▁also ▁Grand ▁Duch y ▁of ▁Baden ▁State ▁Railway ▁List ▁of ▁Baden ▁locomot ives ▁and ▁rail b uses ▁ ▁Category : 4 - 4 - 0 ▁locomot ives ▁Category : Gr and ▁Duch y ▁of ▁Baden ▁State ▁Railway ▁locomot ives ▁Category : Standard ▁gauge ▁locomot ives ▁of ▁Germany ▁Category : R ail way ▁locomot ives ▁introduced ▁in ▁ 1 8 8 1 ▁Category : 2 ′ B ▁n 2 ▁locomot ives <0x0A> </s> ▁Super ▁f lare ▁may ▁refer ▁to : ▁▁ ▁An ▁unus ually ▁large ▁Sol