▁tender ▁first ▁entered ▁service ▁as ▁tend ers ▁to ▁these ▁locomot ives . ▁ ▁In ▁ 1 9 0 6 , ▁six ▁of ▁the ▁Hend rie ▁B ▁engines ▁were ▁modified ▁to ▁a ▁ 4 - 8 - 2 ▁Mountain ▁type ▁wheel ▁arrangement . ▁ ▁Character istics ▁As ▁built , ▁the ▁tender ▁had ▁a ▁coal ▁capacity ▁of ▁ ▁and ▁a ▁water ▁capacity ▁of ▁, ▁with ▁a ▁maximum ▁ax le ▁load ▁of ▁. ▁ ▁Lo comot ives ▁A part ▁from ▁those ▁delivered ▁with ▁the ▁Class ▁B ▁M ast odon ▁type ▁locomot ives , ▁more ▁Type ▁SH ▁tend ers ▁entered ▁service ▁in ▁ 1 9 0 5 ▁as ▁tend ers ▁to ▁the ▁N GR ▁Class ▁A ▁Pacific ▁type ▁locomot ive , ▁or ▁Hend rie ▁A . ▁ ▁In ▁the ▁South ▁African ▁Rail ways ▁( S AR ) ▁years , ▁tend ers ▁were ▁number ed ▁for ▁the ▁engines ▁they ▁were ▁delivered ▁with . ▁In ▁most ▁cases , ▁an ▁o val ▁number ▁plate , ▁bearing ▁the ▁engine ▁number ▁and ▁often ▁also ▁the ▁tender ▁type , ▁would ▁be ▁attached ▁to ▁the ▁rear ▁end ▁of ▁the ▁tender . ▁During ▁the ▁classification ▁and ▁ren umber ing ▁of ▁locomot ives ▁onto ▁the ▁S AR ▁ro ster ▁in ▁ 1 9 1 2 , ▁no ▁separate ▁classification ▁and ▁ren umber ing ▁list ▁was ▁published ▁for ▁tend ers , ▁which ▁should ▁have ▁been ▁ren umber ed ▁according ▁to ▁the ▁locomot ive ▁ren umber ing ▁list . ▁ ▁The ▁S AR ▁grouped ▁and ▁ren umber ed ▁the ▁Hend rie ▁A ▁and ▁Hend rie ▁B ▁locomot ives