Greenlee HW1 Hydraulic Impact Wrench

Includes: (1) Impact Wrench Features: Impact and temperature resistant replaceable polymer grip designed to dissipate heat from the cast handle Weight reduction of 14% to previous models Improved center-of-gravity for superior ergonomics Increased service life with the addition of back-up rings and larger O-rings Built-in hydraulic check valve to eliminate damage from an improperly connected tool Large and strong lifting eye for easy and secure storage Longer and wider trigger provides improved control with insulated gloves Discrete position torque adjustment control with 3 positions and quick change access on the variable torque model, (HW1V) Fast and easy change between open center systems and closed center systems with no disassembly required Higher breaking torque in reverse to ensure you can remove tighted bolts Cast motor enclosure that better protects the impact mechanism operation versus competing models with stamped steel enclosure Specifications: Capacity - 7/16” hex Maximum Torque - 500 ft-lbs @ 8 gpm (677 Nm @ 30 lpm) Minimum Torque - 500 ft-lbs @ 8 gpm (677 Nm @ 30 lpm) Weight - 6.5 lbs (2.93 kg) Length - 8.2 “ (208 mm) Width - 4.2” (107 mm) Height - 11.0” (280 mm) Hydraulic System - Super Spool Selector for Open and Closed Center Systems Flow Range - 4-12 gpm (15-46 lpm) Optimum Flow Range - 5-8 gpm ( 19-30 lpm) Operating Pressure - 1000-2500 psi (69-170 bar) Pressure Port Thread - 9/16-18 SAE O-ring Return Port Thread - 3/4-16 SAE O-ring