JET 577011 J-4421-4 3HP 3PH 460V 20" Disc Sander

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Item Number:JET577011
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JET 577011 J-4421-4 3HP 3PH 460V 20" Disc Sander

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The 577011 includes:

  • 1x J-4421-4 20" Disc Sander
  • 1x Low voltage protection switch
  • 1x Rigid column and heavy duty base
  • 1x Miter gauge


  • Tilting table capability adds flexibility of 45° forward and 15° backward on positive lock rack and gear
  • Table can be lowered below the disc to accommodate large work pieces
  • Direct drive motor
  • Low voltage protection switch
  • Rigid column and heavy duty base
  • Miter gauge
  • Extra large tilting table lowers completely below disc for the use of the entire disc surface

NOTE: JET Tools is transitioning their metalworking machinery products from white to gray. We dropship most products direct from JET. Unfortunately, we have no control over which color you will receive, sorry.

For all JET warranty issues, please call (800) 274-6848.


  • Wrap over guard for added safety

Tech Specs:

  • Model Number: J-4421-4
  • Brand: Jet
  • Height: 52 inch
  • Width: 30 inch
  • Length: 28 inch
  • Weight: 400 pound
  • Gross Weight: 450 pound
  • Motor: 3 HP, 460V, 3 Ph
  • Disc Table Size: 27-1/2 X 10-1/2
  • Disc Table Tilt: 45° out, 15° in
  • Disc Diameter: 20
  • Disc Speed: 1725
  • Table Slots: 3/8 X 3/4
  • Motor 4421-2: 3HP, 220V, 3Ph
  • Motor 4421-4: 3 HP, 460V, 3 Ph

UPC - 662756093684

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This item is covered by WMH's 2 Year Warranty and Jet's Red Assurance Protection Plan.

WMH Stands behind every product it sells with outstanding customer service and support. Their multitude of service repair centers offer quick turnarounds and most of the time they can authorize warranty repair, assist you in locating replacement parts, and perform routine maintenance and large repairs on your tools and machinery. To find a service center near you, please call 1-800-274-6848.

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