MWS83 Sinker Drill

Our powerful S83 rock drill equipped with a comfortable neoprene handle. This drill is perfect for sinking shafts or drilling holes for utility work. Available in wet or dry models (with or without water connection).

Proven Design

  • The most dependable heavy sinker drill on the market
  • OEM of the S83 line of pneumatic drills
  • Precision manufactured parts that run better and war down slower
  • Backed by over 65 years of American-made experience


  • Available in either a 7/8″ on 1″ chuck size
  • Sold as either wet or dry (with or without water)
  • Can easily be converted to a Jack Leg Drill
  • Great for drilling sniffer holes for utility companies
  • Great for quarries and construction projects


  • Mid-Western drills are high quality and competitively priced
  • In-house manufactured parts last longer and perform better

MWS83S Sinker Drill Specifications

US Metric
Piston Diameter 3″ 76mm
Length of Stroke 2.5″ 64 mm
Overall Length 27 1/4″ 688 mm
Total Weight 72 lbs. 32.4 kg
Air Hose Size 1″ 25 mm
Water Hose Size 1/2″ 13mm
Chuck Size 7/8″ or 1″ x 4 1/4″ 22mm or 25 mm x 108mm
View PDF Spec Sheet