my machine dim. is (2400*1200*250) rack and pinion X Y with gear 2:1 or 3:1 or 5:1 ratio. used for wood, plastic and thin aluminum
i need to choose from to kits

1- 4 Nema 23 425oz 3A 6Hm with 2 power supply 60V 6A


2- 4 Nema 34 651oz 5.6A 3.4Hm with 4 power supply 60V 6A


i need advice please to obtain good torque and speed. all machin built using steel 100*100*3 box
which gear ratio is appropriate?
thanks