Last year we previewed the 80 series pneumatic impact wrenches, and presently the hand tool brand has announced the nationwide availability of the new GearWrench 81 Series Air Impact Wrench Line. The 81 series includes 3/8″, 1/2″, and 3/4″ drive air impacts. Just like its predecessors, we can expect the new line of pneumatic impact wrenches with a variable speed trigger and high-efficiency features. Plus, all the GearWrench air impact wrenches offer a twin-hammer impact mechanism, which operates at reduced sound levels due to the highly effective muffler.

“Our brand continues to evolve and provide customers the tools needed to work efficiently. The 81 Series Air Impact Wrenches provide a combination of power and ruggedness desired by today’s automotive technicians.”

– Dave Bigg, product manager for GearWrench Power Tools

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As a technician, the last thing you want is to be under a vehicle with an air tool that you can’t trust and isn’t efficient.  GearWrench has done its research to design the 81 series line of impact wrenches with even more focus on ergonomics, durability and weight. The 81 series wrenches are more  compact and lightweight than before, offer optimum comfort, and have incredible torque.

It’s always a plus when you see Breakaway Torque and Max Torque increase in all 3 lines: 3/8″, 1/2″, and 3/4″. You can see the the torque values in the specs below. We are also glad to see the power dial hasn’t changed, so the technician can easily manage the power being applied to the fastener.

GearWrench 81 Series Air Impact Wrench Line

GearWrench 3/8″ Drive Air Impact Wrench

• Model: 88130
• Drive Size: 3/8 in.
• Air Consumption at Free Speed: 37.5 SCFM
• Breakaway Torque (ft-lbs): 550
• Torque Range Max (ft-lbs): 450
• Torque Range Min (ft-lbs): 25.0
• Length (in): 6.0 in.
• Weight (lb): 2.90 lb.
• Warranty: 2 year

GearWrench 1/2″ Drive Air Impact Wrench

• Model: 88150
• Drive Size: 1/2 in.
• Air Consumption at Free Speed: 40.5 SCFM
• Breakaway Torque (ft-lbs): 1181
• Torque Range Max (ft-lbs): 780
• Torque Range Min (ft-lbs): 50
• Length (in): 7.3 in.
• Weight (lb): 4.4 lb.
• Warranty: 2 year

GearWrench 3/4″ Drive Air Impact Wrench

• Model: 88170
• Drive Size: 3/4 in.
• Air Consumption at Free Speed: 64 SCFM
• Breakaway Torque (ft-lbs): 1501
• Torque Range Max (ft-lbs): 1301
• Torque Range Min (ft-lbs): 200
• Length (in): 8.7 in.
• Weight (lb): 8.3 lb.
• Warranty: 2 year

The GearWrench 81 Series air impact wrench line are backed by a 2-year warranty, a notable difference from the 80 Series with 1-year agreement. Plus, all three models include a 60 day risk free trial.

Check out GearWrench products here, or you can find them on your local tool truck.