Chicago Pneumatic
Chicago Pneumatic CP7763-6 3/4" Air Impact Wrench 1200 ft-lb
3/4" air impact wrench delivers 1,200 ft-lb breakaway torque and 950 ft-lb fastening torque at 6,300 RPM with three speed settings
- TypeBent Nose Pliers
- Delivers 1200 ft-lb breakaway torque for stubborn fasteners
- 950 ft-lb fastening torque handles heavy-duty tightening
- 6300 RPM free speed speeds up bolt removal
- 900 impacts per minute provides consistent hammering force
- 6 ft-lb/lb power-to-weight ratio reduces operator fatigue
3/4" Air Impact Wrench for Heavy-Duty Fastening
The Chicago Pneumatic CP7763-6 is a 3/4 inch pistol-grip air impact wrench built for general-duty industrial and automotive work. It delivers a breakaway torque of 1,200 ft-lb and a fastening torque of 950 ft-lb, handling bolts up to 1 1/8 inch capacity. The tool runs at a free speed of 6,300 RPM with 900 impacts per minute and offers three speed settings for control. Its power-to-weight ratio is rated at 86.6 ft-lb per lb.
Upgrading from Lower-Capacity Impact Tools
This wrench replaces 1/2 inch drive models or smaller air impact wrenches that cannot reach the 1,200 ft-lb breakaway torque required for large fasteners. The jump is worth it when maintenance tasks involve heavy equipment, commercial vehicle suspension, or structural bolts that exceed the capacity of standard-duty tools. The three-speed regulator allows the operator to match output to the joint, reducing the risk of overtightening on softer materials while keeping maximum power available for seized hardware.
Check Air Supply and Hose Before Use
Verify that the shop compressor can sustain 30 cfm at a steady 90 psi through a minimum 1/2 inch hose with a 3/8 inch NPT inlet fitting. The tool’s bottom exhaust directs air away from the workpiece, so ensure clearance beneath the gun. Confirm the impact sockets are rated for 3/4 inch drive and the application’s torque range; the 107 dB sound level requires hearing protection during extended operation.
Highlights
- Delivers 1200 ft-lb breakaway torque for stubborn fasteners
- 950 ft-lb fastening torque handles heavy-duty tightening
- 6300 RPM free speed speeds up bolt removal
- 900 impacts per minute provides consistent hammering force
- 6 ft-lb/lb power-to-weight ratio reduces operator fatigue
Specifications
| Brand | Chicago Pneumatic |
|---|---|
| Model | CP7763-6 |
| Type | Bent Nose Pliers |
Questions about this item
What size air hose and inlet fitting does the CP7763-6 require for proper operation?
The wrench needs a minimum 1/2 in hose and connects via a 3/8 in NPT air inlet fitting.
What air pressure and flow must the compressor supply to run this impact wrench at its rated 1,200 ft-lb breakaway torque?
Supply 90 psi at 30 cfm; the tool’s min, max and working pressure are all specified at 90 psi.
Which wear items on the CP7763-6 will need periodic replacement to maintain the 950 ft-lb fastening torque?
The impact mechanism, rotor blades and seals are the primary service parts; inspect and replace them when torque drops or air consumption rises.
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