ADJUSTABLE & FIXED STEEL GANTRY CRANES ADJUSTABLE HEIGHT STEEL GANTRY CRANES Product No.   HAHS-4-20-12 Cap. (lbs.)   4000 Beam Length*   20' Beam Height   10" Under I-Beam Height   7'6"-12' Base Width   77" Wt. (lbs.)   1291 Price Ea.   $2,602.00 Quantity: