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Model#: DWWN31-140

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Brand new items;Full manufacturer warranty available
Manufacturer inspected, repaired and tested items; CPO 60 day money back guarantee
Open Box
New or Recon items with possible minor cosmetic damage; CPO 60 day money back guarantee
Returned items inspected, repaired and tested by CPO technicians; CPO 60 day money back guarantee

Delta 31-140 12 in. Disc Sander with Integral Dust Collection

  • Delta 31-140 12 in. Disc Sander with Integral Dust Collection
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  • Heavy-duty cast-iron construction with a heavy-duty steel bevel assembly supporting the table
  • Powerful 1/2 HP 120V motor for long-lasting, smooth performance
  • Convenient top-mounted manual brake stops sanding discs in seconds
  • Heavy-duty, steel disc plate features a 12 in. diameter, 80-Grit abrasive disc for fast, efficient sanding
  • Tilting cast-iron table with left and right positive stops at 22.5, 45 and 90 degrees locks in position with one dual-purpose lock and bevel table adjustment handle
  • Integral dust collection fan draws dust away from table and into hose for cleaner sanding operation
  • Dust hose with 2-1/4 in. OD connectors attaches quickly to any standard shop vacuum
  • Features a 3/8 in. x 3/4 in. miter gauge slot machined into the table for projects that require sanding an angle or straight edge
  • Cast-iron base with pre-drilled base holes for easy bench mounting
  • 12 in. Disc Sander with Integral Dust Collection - 31-140
  • Miter Gauge
  • Hose with 2-1/4 in. OD Connectors
  • 80-Grit Abrasive Disc
  • Wrenches


Length: 17.25 in.
Width: 17.75 in.
Height: 15 in.
Weight: 79.2 lbs.
AC Voltage: 120V
Disc Diameter: 12 in.
Dust Port Size: 2-1/4 in.
Horsepower: 0.5
Motor Phase: 1
Operating Speed (RPM): 1725
Pre-Wired Voltage: 120V
Table Dimensions: 17-1/4 in. x 6-1/4 in.
Table Tilt (Down): 45 Degrees
Table Tilt (Up): 45 Degrees
Table Type: Cast Iron
Type: Bench Top



5.0 / 5.0
3 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Yes, I would recommend this to a friend (3)
Powerful (1)
Best Uses
Frequent Use (1)
Yes, I would recommend this to a friend
Well worth the money
I am very pleased with this product. It has more than enough power. Well built and beautifully finished.
I am looking forward to many years of service.
August 10, 2012
Yes, I would recommend this to a friend
Delta 12 inch Disc sander
I like the machine even tho I had to wait 2 months for shipment
January 10, 2013
Yes, I would recommend this to a friend
Best Uses
Frequent Use
Great service
I'm a wood turner. Will use frequently!
January 17, 2016

Questions & Answers

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Do you offer an instruction manual for this product? I bought one used and it didn't come with the manual. A downloadable PDF version would be even better.
Dan on Sep 13, 2013
BEST ANSWER: Here is a link to the manual:


Warranty for all Delta Machinery Products - Five Year Limited New Product Warranty (180 days for reconditioned products)

DELTA will repair or replace, at it’s expense, and it’s option, any new DELTA machine, machine part, or machine accessory which in normal use has proven to be defective in workmanship or material, provided that the customer returns the product prepaid to a DELTA factory service center or authorized service station with proof of purchase of the product within 5 years and provides DELTA with reasonable opportunity to verify the alleged defect by inspection. For all refurbished DELTA product, the warranty period is 180 days. DELTA will not be responsible for any asserted defect which has resulted from normal wear, misuse, abuse or repair or alteration made, or specifically authorized by anyone other than an authorized DELTA service facility or representative. Under no circumstances will DELTA be liable for incidental or consequential damages resulting from defective products. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you. This warranty is DELTA’s sole warranty and sets forth the customer’s exclusive remedy, with respect to defective products; all other warranties, express or implied, whether of merchantability, fitness for purpose, or otherwise, are expressly disclaimed by DELTA.