Chicago Pneumatic CP7739 1/2" Compact Air Impact Wrench, Twin Hammer, 450 Ft-Lb

Chicago Pneumatic CP7739 1/2" Compact Air Impact Wrench, Twin Hammer, 450 Ft-Lb

• The Chicago Pneumatic CP7739 1/2 Inch Compact Air Impact Wrench combines high torque output with a lightweight, well-balanced design for general automotive and industrial maintenance. Its twin hammer impact mechanism delivers up to 450 ft-lb of maximum reverse torque, while the composite body and magnesium clutch housing help reduce tool weight. Side-to-Side forward and reverse controls, three power settings, and a variable-speed trigger provide convenient control during fastening and removal applications.
• Features:
  • Compact 1/2 inch air impact wrench for automotive and general maintenance applications
  • Twin hammer impact mechanism provides reliable power and durability
  • Delivers up to 450 ft-lb of maximum reverse torque
  • Forward working torque range of 50.2 to 305 ft-lb
  • Side-to-Side forward and reverse control provides convenient one-handed operation
  • Three positive power settings help match output to the application
  • Variable-speed trigger provides improved control
  • Composite body and magnesium clutch housing reduce weight
  • Compact, balanced design improves access and operator comfort
  • Friction ring socket retainer supports fast socket changes
• Specifications:
  • Manufacturer: Chicago Pneumatic
  • Part Number: CP7739
  • Manufacturer Part Number: 8941077390
  • Product Type: Compact Air Impact Wrench
  • Drive Size: 1/2 Inch Square Drive
  • Maximum Forward Working Torque: 305 Ft-Lb
  • Minimum Forward Working Torque: 50.2 Ft-Lb
  • Maximum Reverse Torque: 450 Ft-Lb
  • Free Speed: 9,900 RPM
  • Impact Mechanism: Twin Hammer
  • Blows Per Minute: 1,700
  • Handle Type: Pistol Grip
  • Socket Retainer: Friction Ring
  • Starting System: Trigger
  • Body Material: Composite
  • Clutch Housing Material: Magnesium
  • Clutch Lubrication: Grease
  • Average Air Consumption: 5 CFM
  • Air Consumption Under Load: 20 CFM
  • Air Inlet Size: 1/4 Inch
  • Minimum Hose Diameter: 3/8 Inch
  • Maximum Dynamic Air Pressure: 91 PSI
  • Overall Length: 6.42 Inches
  • Weight: 2.65 Pounds
  • Side-to-Center Distance: 1.02 Inches
  • Sound Pressure Level: 92 dB(A)
  • Sound Power Level: 103 dB(A)
  • Vibration Level: 6.9 m/s2
  • Applicable Standard: ISO 28927-2
• The Chicago Pneumatic CP7739 can also be referred to as a compact air impact wrench, 1/2 inch pneumatic impact wrench, twin hammer impact gun, automotive impact wrench, pistol grip air wrench, 450 ft-lb impact wrench, lightweight impact wrench, and pneumatic nut removal tool.

Chicago Pneumatic manufactures professional pneumatic tools, cordless tools, compressors, and workshop equipment for automotive, industrial, construction, and maintenance applications. Its product line is engineered to provide dependable power, durability, and operator comfort in demanding professional work environments.

Q: How much torque does the Chicago Pneumatic CP7739 produce?
A: It delivers a forward working torque range of 50.2 to 305 ft-lb and up to 450 ft-lb of maximum reverse torque.

Q: What type of impact mechanism does the CP7739 use?
A: The CP7739 uses a twin hammer impact mechanism designed to provide strong, consistent torque output.

Q: What air supply is required for this impact wrench?
A: It uses a 1/4 inch air inlet, requires a minimum 3/8 inch hose, and operates at a maximum dynamic air pressure of 91 PSI.

Q: Is the Chicago Pneumatic CP7739 suitable for confined work areas?
A: Yes. Its compact 6.42 inch length, lightweight construction, and 1.02 inch side-to-center distance help improve access in restricted spaces.