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Powermatic Industrial Bandsaw 20" 3 phase - $2,000 (South Kitsap)
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Powermatic Vertical Saw, Model 81
POWERMATIC 81 TYPE BAND SAW HEAVY DUTY WOODWORKING MACHINE_12 ...
Powermatic 81 20″ 2HP Vertical Band Saw
The Powermatic 81 is a heavy-duty 20-inch vertical bandsaw, featuring a 2 HP motor, ~12'5" to 12'7" blade length, and a 20" throat capacity. It is renowned for its rigid construction, frequently featuring dual speeds (approx. 2000/4500 SFM), cast-iron tilting tables, and robust ball-bearing guides.
Key Features and Specifications:
Capacity: 20-inch throat capacity with approximately 12-inch height under guides.
Construction: Heavy-gauge steel plate frame, designed for industrial, long-term use.
Table: Large, heavy-duty table with a single-action trunnion that tilts 45° right and 15° left.
Motor: Typically equipped with a 2 HP, T.E.F.C. (Totally Enclosed Fan Cooled) motor, often 3-phase, though many are found in shop settings.
Speeds: Dual-speed gearbox designed for versatility (e.g., ~2000/4500 SFM for wood/metal).
Guides: Friction-free ball bearing guides, suitable for blade widths ranging from
to
Common Usage and Maintenance:
Transporting: Weighs roughly 1,500+ lbs, making it crucial to secure properly during transport, often by removing the table to reduce top-heaviness.
Modification: Due to its 3-phase nature, many users add a Variable Frequency Drive (VFD) for better speed control, especially for cutting metal at lower SFM.
Blade Info: Uses blades between 12'5" and 12'7" (149"-151") in length.
The Powermatic 81 is considered a "vintage" industrial machine, highly prized for its stability and precision in a variety of workshops.