CP7778SP-6 Air Impact Wrench | #5 spline | 1620 ft.lbs | 8941077781  | by Chicago Pneumatic

Chicago Pneumatic

Please Call For Pricing and Availability
Please Call For Pricing and Availability


CP7778SP-6 - Efficiency & power

Part number8941077781 
Handle typeD-Handle Inside Trigger 
Square drive#5 spline"
Working Torque Range (fwd)400 - 1,800 Nm300 - 1,330 
Working Torque Range (fwd)300 - 1,330 ft.lbs400 - 1,800 
Maximum Torque (reverse)2200 Nm1620 ft.lbs
Maximum Torque (reverse)1620 ft.lbs2200 Nm
Free speed5000 rpm
Net weight25.4 lb11.5 kg
Net weight11.5 kg25.4 lb
Power/weight ratio191.3 Nm/kg63.8 ft.lb/lb
Power/weight ratio63.8 ft.lb/lb191.3 Nm/kg
Length20.2"513 mm
Length513 mm20.2"
Average air consumption8.7 cfm
Average air consumption4.1 l/s8.7 cfm
Actual air consumption35 cfm
Actual air consumption16.5 l/s35 cfm
Air inlet thread size0.5 "
Min. hose size13 mm1/2"
Min. hose size1/2"13 mm
Noise level106 db(A)
Sound Power117 db(A)
Vibration (ISO-8662-7)9.1 m/s²
Vibration α (ISO-28927-2)10.1 m/s²
Vibration K (ISO-28927-2)2.9 m/s²
Socket retainer#5 spline 
Clutch typePinless rocking dog 


  • High efficiency motor, yet economical
  • Ideal tool for tire work, general repair and maintenance
  • Features

  • 1" heavy-duty impact wrench
  • Rocking dog clutch
  • High efficiency 6-vane motor
  • 3-position power settings with directional control
  • Angled down exhaust
  • Plus 6" extended anvil and #5 spline

  • For more information on the CP7778SP-6 impact wrench please call Zampini Industrial Group at 1-800-353-4676 and we will be happy to assist you.

    Established in 1901, Chicago Pneumatic Tools offers hundreds of quality air tools designed for a wide range of maintenance and production applications: impact wrenches, ratchet wrenches, screwdrivers, drills, grinders, sanders and polishers, cutting tools, and a whole lot more. Based on decades of expertise in providing the right tools, compressors or construction equipment for the toughest demands, CP understand the needs of the professionals for maintaining and repairing heavy equipment and machinery on-site or off-site.

    Zampini Industrial Group is proud to be a premier online supplier of Chicago Pneumatic Tools, and our numerous years representing the CP brand has provided us with a wide range of valuable application experiences that we use to help you get the perfect CP tool for your job!

    Zampini Industrial Group is a proud Chicago Pneumatic Distributor

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