▁models ▁were ▁field - test ed ▁in ▁the ▁invasion ▁of ▁Poland , ▁that ▁started ▁in ▁September ▁that ▁year . ▁Despite ▁their ▁overall ▁satisfaction ▁with ▁the ▁vehicle ' s ▁performance , ▁military ▁command ers ▁demanded ▁that ▁a ▁few ▁important ▁changes ▁be ▁made : ▁the ▁lowest ▁speed ▁of ▁the ▁vehicle ▁had ▁to ▁be ▁reduced ▁from ▁ ▁to ▁ ▁as ▁an ▁adjust ment ▁to ▁the ▁pace ▁of ▁march ing ▁soldiers . ▁Second , ▁it ▁needed ▁some ▁improvement ▁of ▁its ▁off - road ▁ability . ▁Por sche ▁respond ed ▁to ▁both ▁requests ▁by ▁mount ing ▁new ▁ax les ▁with ▁g ear - redu ction ▁hub s , ▁providing ▁the ▁car ▁with ▁more ▁tor que ▁and ▁more ▁ground - clear ance ▁all ▁at ▁once . ▁Re vised ▁d amp ers , ▁ ▁whe els , ▁and ▁a ▁limited ▁s lip ▁differential , ▁as ▁well ▁as ▁count less ▁small ▁modifications , ▁completed ▁the ▁specification . ▁In ▁order ▁to ▁reflect ▁the ▁changes , ▁the ▁vehicle ▁was ▁renamed ▁Type ▁ 8 2 . ▁ ▁Full - scale ▁production ▁of ▁the ▁Type ▁ 8 2 ▁Kü bel wagen ▁started ▁in ▁February ▁ 1 9 4 0 , ▁as ▁soon ▁as ▁the ▁V W ▁fact ories ▁had ▁become ▁oper ational . ▁No ▁major ▁changes ▁took ▁place ▁before ▁production ▁ended ▁in ▁ 1 9 4 5 , ▁only ▁small ▁modifications ▁were ▁implemented , ▁mostly ▁elimin ating ▁unnecessary ▁parts ▁and ▁rein for cing ▁some , ▁which ▁had ▁proved ▁une qual ▁to ▁the ▁task . ▁Pro totype ▁versions ▁were ▁assemble d ▁with ▁four - w heel