The Delta 15-655 (often branded as Rockwell/Delta) is a heavy-duty, 15-inch variable-speed drill press widely praised by woodworkers and machinists for its cast-iron durability. It features a throat depth of 7.5 inches, a 12" x 18" work table, and typically includes a 1.5 HP motor with spindle speeds ranging from 450 to 4,700 RPM.Core Specifications:Swing/Throat: 15-inch swing / 7.5-inch depthSpindle Taper: Usually 2 MT (Morse Taper)Table Dimensions: 12" x 18" (often features T-slots and an oil gutter)Motor & Electrical: Traditionally powered by a \(\frac{3}{4}\) HP to \(1\frac{1}{2}\) HP motor, commonly wired for 115V or 220V/440V 3-phase, depending on the specific model configuration.Weight: ~150 - 200+ lbs of solid cast iron.Market & Maintenance Details:Availability: Because these are vintage machines, they are no longer in production and are sold on the used equipment market, generally priced between $1,000 and $1,500 depending on condition.