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Chicago Pneumatic CP7748 2 ½" Composite Air Impact Wrench


  • 1/2" composite impact wrench
  • One handed forward/reverse
  • Full power in reverse: 922 ft. lb - 1250 Nm maximum real torque in reverse
  • 3 positions in forward: Low - 180 ft-lbs. / 245 Nm - Medium - 480 ft-lbs. / 650 Nm - High - 730 ft-lbs. / 990 Nm
  • Aluminum clutch & back housing
  • Friction ring socket retainer
  • Full teasing trigger
  • Curved to be more ergonomic, Smaller diameter to fit better in hand palm and to be optimum balanced
  • Handle with Thermo-Plastic Rubber injected in housing for a durable and comfortable grip; Resistant to most chemicals used in workshops
  • Twin hammer mechanism
  • 360° swivel air inlet
  • Composite housing


  • Most powerful tool on the market in its class: 922 ft.lbs – 1250 Nm of maximum real torque in reverse
  • Best price to performance/durability ratio
  • Lightweight due to composite housing
  • Contoured comfort grip handle instead of TPR injected in handle
  • Smooth Forward / Reverse Switch on back
  • Suited for all maintenance applications: Light vehicle tire changing, General maintenance on vehicles and MRO applications


Part number 8941077482  
Handle type Pistol  
Square drive 1/2"  
Working Torque Range (fwd) 102-786 Nm 75-580
Maximum Torque (reverse) 1250 Nm 920 ft.lbs
Free speed 8200 rpm  
Blows per minute 1200  
Net weight 2.4 kg 5.1 lb
Power/weight ratio 520.8 Nm/kg 180.8
Length 250 mm 9.8"
Side to center 38 mm 1 1/2"
Average air consumption 3 l/s 6.2 cfm
Actual air consumption 12 l/s 25 cfm
Air inlet thread size 0.25 "  
Min. hose size 10 mm 3/8"
Noise level 93 db(A)  
Sound Power 104 db(A)  
Vibration α (ISO-28927-2) 10.1 m/s²  
Vibration K (ISO-28927-2) 2.34 m/s²  
Socket retainer Friction ring  
Clutch type Twin Hammer  
Box dimensions 267*195*77 8,5*8,25*3,03
Over carton 455*420*240  17,9*16,5*9,45


SKU CP7748-2
Barcode # 15451780739
Brand Chicago Pneumatic
Shipping Weight 2.4000kg
Shipping Width 0.100m
Shipping Height 0.100m
Shipping Length 0.250m
Assembled Length 0.250m
Assembled Height 0.100m
Assembled Width 0.100m
Type Tools

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