Hydraulic boat lift parts; dock parts; select page. feighner. hydro max ii. durable power control box easy to store | over the center design | wired & wireless controls. 5,000# hydro max ii shallow water series. available in 1,500# – 18,000# min. water depth is 18″ lift height is 41.5″ 7,800# hydro max ii normal water series. Hydro max ii lifts. waterfront products sells and services the full line of feighner hydro max ii boat lifts. feighner products are known for their strength, safety and unique design. hydro max ii lifts are available in shallow water depth series, normal water depth series, tall series, p.w.c lifts, twin series, and pontoon lifts.. Roll-n-go's all new float kit is perfect for marinas and deep water applications where in-water boat lifts are impractical or impossible. take our model 1200 or 2000 and create a floating boat ramp for use with your dock or shore wall. unlike expensive floating boat lifts, our system requires no outside power source..