▁and ▁they ▁were ▁all ▁ren umber ed ▁in ▁November / Dec ember ▁ 1 9 3 4 , ▁some ▁before ▁they ▁had ▁actually ▁entered ▁service . ▁▁ 1 8 3 1 ▁ ▁This ▁was ▁the ▁original ▁experimental ▁sh unter , ▁nomin ally ▁re built ▁from ▁a ▁Mid land ▁Railway ▁steam ▁locomot ive ▁originally ▁built ▁in ▁September ▁ 1 8 9 2 ▁by ▁the ▁V ul can ▁Found ry , ▁whose ▁number ▁it ▁inherited ▁( 1 8 3 1 ), ▁though ▁very ▁little ▁of ▁the ▁steam ▁locomot ive ▁was ▁actually ▁re - used . ▁Of ▁itself , ▁it ▁was ▁not ▁very ▁successful , ▁but ▁it ▁did ▁provide ▁useful ▁data ▁for ▁the ▁further ▁development ▁of ▁the ▁dies el ▁sh unter ▁design . ▁It ▁was ▁with dra wn ▁from ▁service ▁in ▁September ▁ 1 9 3 9 ▁and ▁converted ▁to ▁a ▁mobile ▁power ▁unit , ▁emer ging ▁in ▁its ▁new ▁gu ise ▁as ▁M PU 3 ▁in ▁November ▁ 1 9 4 0 . ▁It ▁was ▁scra pped ▁in ▁the ▁ 1 9 5 0 s ▁( s ources ▁vary ▁as ▁to ▁exactly ▁when ). ▁▁ 7 4 0 0 – 7 4 0 8 ▁/ ▁ 7 0 5 0 – 7 0 5 8 ▁For ▁detailed ▁information ▁see ▁the ▁main ▁articles : ▁ ▁L MS ▁dies el ▁sh unter ▁ 7 0 5 0 ▁▁ ▁L MS ▁dies el ▁sh unter ▁ 7 0 5 1 ▁▁ ▁L MS ▁dies el ▁sh unter ▁ 7 0 5 2 ▁▁ ▁L MS ▁dies el ▁sh