Powermatic 1285 12" Jointer, 3HP 1PH, with helical head 1791307

This 12" jointer offers big capacity and performance in a machine that is loaded with features. Large center-mounted fence assembly adjusts easily via rack and pinion system with ram lock. Preset stops on the fence body allow for fast angle set-up at 45° in and out, and a positive stop for perfect 90° angles. The parallelogram design keeps the table in close proximity to the cutterhead for improved finish and allows for a fast depth of cut adjustment. This design also ensures the tables remain perfectly parallel even after years of tough duty. Choose either the standard three-knife cutterhead or the solid steel Helical cutterhead. The helical system makes fast work of knife changing and never needs adjustment.
  • Helical cutterhead with 2-sided carbide inserts for fast knife changes with no adjustments
  • Rack and pinion adjustable cast iron fence assembly for smooth fence positioning without play
  • Parallelogram design for close table-to-cutterhead proximity and fast depth of cut adjustments
  • Large 84" x 12" table surface for heavy-duty work
  • Table "lips" on both sides of cutterhead aid in noise reduction
  • Full size rabbeting ledge supports large workpieces for rabbets up to 3/4" deep
  • 3HP motor provides plenty of power
  • Standard Equipment:
  • Cutterhead guard
  • Heavy duty fence
  • Dust port
  • Push blocks
  • Tool kit


Part Number 1791307  
Cutting Capacity (W x D) 11 3/4 x 3/4 "  
Cutterhead Speed 5000 RPM
Number of Knives (Helical/Standard) 44 two-sided inserts (includes 2 rabbeting)  
Standard Knife Size (L x W x T) 30 x 12 x 2 mm  
Table Height 31½ "
Table Size (L x W) 84 x 12 "  
Fence Size (L x H) 47 x 5 1/2 "  
Fence Tilts 45 ° left, 45 ° right  
Fence Positive Stops -45 °, 45 ° and 90 °  
Dust Port Outside Diameter 6 "
Dust Collection Minimum CFM Required 800 cu.ft/min
Motor Power 3 HP
Motor Phase 1 Ph
Motor Voltage 230 V  
Model Number 1285  
Brand Powermatic  
Overall Dimensions 89.5 x 28 x 39  
Height 39 inch
Width 28 inch
Length 89.5 inch
Net Weight 762 pound
  • Model: 1791307
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