No separate power source. Dual depositors plug into the Donut Robot fryer.
Part # MKVI-1300-1-9/16
Plain plungers 1-9/16 inches, for donuts up to 3¼ inches (83 mm)
Part # MKVI-1300-1-13/16
Plain plungers 1-13/16 inches, for donuts up to 3¾ inches (95 mm), or smaller donuts with a large hole
The larger plunger (1-13/16 inch) makes bigger donuts, of course. But it also makes medium size donuts with a bigger hole than the standard plunger (1-9/16 inch). Remember that you need a special mix, if you would like to make "Old Fashioned" donuts.
1-9/16 inch plunger. This is the standard plunger used on Mark II and Mark V.
Produces small or medium size donuts up to 3¼ inches (83 mm).
Donuts will easily fit in Mark VI fryer.
1-13/16 inch plunger. This is a larger plunger than normally supplied.
Produces medium or large donuts up to 3¾ inches (95 mm).
If your donuts are 3½ inches (89 mm) or larger, they will ONLY fit in a Mark VI-Deep fryer, because the fryer bars are set 4½ inches apart.
If your donuts are up to 3¼ inches (83 mm) size, they will fit in BOTH Mark VI and Mark VI-Deep fryer. But your donuts will have a larger "hole" than the 1-9/16 inch plunger. Some prefer a larger hole, others prefer a smaller hole. The 1-13/16 inch plunger produces a larger hole.