3 ▁of ▁the ▁Pan ther , ▁along ▁with ▁the ▁avail ability ▁of ▁large ▁numbers ▁of ▁the ▁M 4 ▁Sh erman , ▁the ▁M 3 ▁was ▁with dra wn ▁from ▁service ▁in ▁the ▁European ▁Theater . ▁ ▁Vari ants ▁ ▁British ▁design ations ▁in ▁parentheses ▁ ▁US ▁variants ▁M 3 ▁( Le e ▁I / Gr ant ▁I ) ▁Riv et ed ▁h ull , ▁high ▁profile ▁tur ret , ▁gas oline ▁engine . ▁ 4 , 7 2 4 ▁built . ▁M 3 A 1 ▁( Le e ▁II ) ▁Cast ▁( r ounded ) ▁upper ▁h ull . ▁ 3 0 0 ▁built . ▁M 3 A 2 ▁( Le e ▁III ) ▁W eld ed ▁( sharp ▁ed ged ) ▁h ull . ▁Only ▁ 1 2 ▁vehicles ▁produced . ▁M 3 A 3 ▁( Le e ▁IV / Le e ▁V ) ▁T win ▁G M ▁ 6 - 7 1 ▁dies el ▁variant ▁of ▁w eld ed ▁h ull . ▁Side ▁doors ▁w eld ed ▁shut ▁or ▁elimin ated . ▁In ▁British ▁service ▁known ▁as ▁Lee ▁V , ▁or ▁Lee ▁IV ▁for ▁M 3 A 3 s ▁with ▁the ▁Cont inental ▁radial ▁pet rol ▁engine ▁( with ▁which ▁this ▁variant ▁was ▁never ▁equ ipped ). ▁ 3 2 2 ▁built , ▁some ▁with ▁UK ▁Grant ▁tur ret . ▁M 3 A 4 ▁( Le e ▁VI ) ▁St retch ed ▁riv et ed ▁h ull , ▁ 1 ▁x ▁Ch rys ler ▁A 5 7 ▁Mult ib ank ▁engine