....if that is the case, the G055must be Aluminum.
From the Grizzly site...0555:Features:
Deluxe heavy-duty stand
Upper & lower ball bearing blade guides
All ball bearing construction
Includes 3/8" blade
Includes fence and miter gauge
Quick-release blade tension lever
Fence scale with magnifying window
Specifications:
Motor: 1 HP, 110V/220V, single-phase
Amps: 11A at 110V, 5.5A at 220V
Precision-ground cast iron table
Table size: 14" x 14"
Table tilt: 45° right, 15° left
Floor to table height: 43-5/16"
Deluxe extruded aluminum fence
Cutting capacity/throat: 13-1/2"
Maximum cutting height: 6"
Blade size: 92-1/2" to 93-1/2" (1/8" to 3/4" wide)
Blade speeds: 1500 & 3200 FPM
4" dust port
Cast iron frame
Computer balanced cast aluminum wheels with rubber tires*************************************
Overall size: 26-3/8" W x 66-1/2" H x 30-1/4" D
Approximate shipping weight: 199 lbs.