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Special Order Details Available for Backorder
Part Number: 4079 UPC: 045242009305 Weight: 31



• Built-In Water Swivel

• Water Hose Adapter

• Water Control Valve

• Open End Wrench

• Six Extra Shear Pins


• Two speeds: 300 and 600 rpm

• 20 amp motor

• Shear pin protection protects gears and motor

• Built-in water swivel


• Voltage 120 AC

• Amps 20.0

• No Load RPM Low=300/High=600

• Motor Protection Shear Pin

• Spindle 1-1/4"-7

• Plug Type L5-20P

• Max Capacity in Concrete 14"

•Max HP 4.8

•Sugg Dia In Med Aggregate 7 in.-14 in. / 4 in.-7 in.

•Tool Weight 24.0 lbs.

Diamond coring motors are used with Vac-U-Rig® and Dymorig diamond core rigs to drill holes into reinforced concrete. This 20 amp model features 4.8 peak horsepower with a 300 rpm or 600 rpm operating speed. The 4079 uses a shear pin to protect gears and motor against overload. Shear pins are easily replaced and extra pins are included with the unit. This unit will handle core bits from 4 in. to 14 in. in diameter

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