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Greenlee Hydraulic Impact 1/2"

Greenlee Hydraulic Impact Wrench H8508-1

Our Price: $1,121.00

Availability: Back Order
Product Code: H8508-1


This is a Greenlee hydraulic impact wrench with 7/16 inch hex quick change chuck and a 1/2 inch square adapter. This tool is typically used by utility lineman to attach pole hardware.


  • Twin hammer impact mechanism provides high performance and reliability.
  • Button to switch between forward and reverse rotation.
  • One piece handle and impact housing casting provide long life.
  • Super Spool permits quick switches between open center and closed center hydraulic systems.
  • Heat insulated handle ergonomically positioned for comfort.
  • Well balanced for comfortable operation.
  • Most durable and longest life of any 1/2 inch wrench on the market.
  • Includes the 49314 heavy duty adapter which is the toughest adapter on the market.


  • Capacity: 7/16 inch hex
  • Includes: 7/16 hex quick change chuck and 1/2 inch heavy duty adapter
  • Maximum Torque: 400 ft.-lb. @ 8 gpm (542 Nm @ 30 lpm)
  • Weight: 7.4 lbs. (3.4kg)
  • Length: 8.2 inch (208mm)
  • Width: 4.2 inch (107mm)
  • Height: 10.6 inch (269mm)
  • Hydraulic System: Open center or closed center
  • Flow Range: 4 to 10 gpm (15 to 38 lpm)
  • Optimum Pressure: 5 to 8 gpm (19 to 30 lpm)
  • Operating Pressure: 1,000 to 2,500 psi (69 to 170 bar)
  • Pressure Port Thread: 3/4-16 SAE O-ring
  • Return Port Thread: 3/4-16 SAE O-ring

Parts and Instruction Manual

Cat# H8508-1
UPC# 12682
Mat# 52042105

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