Chicago Pneumatic CP7748 Pneumatic Impact Wrench combines a 1/2" square drive, 7,000 RPM free speed, and 959 ft-lbs maximum reverse torque for high-productivity bolting and unbolting applications. Its twin hammer impact mechanism and composite housing provide the specified configuration, while the compact design supports comfortable handling in maintenance and industrial applications.
The CP7748 features a one-hand forward/reverse system, curved rubber handle, hard anodized end plates, and a hard chromium aluminum cylinder. Its specified working torque range is 70.1–553 ft-lbs, with a 1/4" air inlet and 25 CFM air consumption at load.
Type: Pneumatic Impact Wrench | Model: CP7748 | Part Number: 8941077481 | Drive: 1/2" Square | Impact Mechanism: Twin Hammer | Blows Per Minute: 1,350 BPM | Free Speed: 7,000 RPM | Working Torque: 70.1–553 ft-lbs | Max Torque: 959 ft-lbs | Weight: 4.41 lb | Length: 6.89" | Air Inlet: 1/4"
Features:
- Twin hammer impact mechanism provides the specified impact configuration for bolting and unbolting work.
- Composite housing contributes to the tool's specified lightweight construction.
- Hard anodized end plates are part of the specified construction.
- Hard chromium aluminum cylinder provides the specified cylinder construction.
- One-hand reverse system allows forward/reverse operation through the ring system.
- Curved rubber handle helps prevent slipping during operation.
- The tool delivers a maximum reverse torque of 959 ft-lbs for the specified high-torque applications.
- 1/2" square drive accommodates compatible impact sockets.
- The 1/4" air inlet connects to the specified compressed-air supply configuration.
- All models are specified with a 3/8" hose internal diameter at 90 PSI.
Applications:
- Maintenance applications requiring a 1/2" pneumatic impact wrench.
- Bolting and unbolting applications requiring up to 959 ft-lbs of maximum reverse torque.
- Wheel and tire service applications where the specified drive and torque range are appropriate.
- Industrial fastening work requiring a 70.1–553 ft-lbs working torque range.
FAQs:
- Q: What is the maximum torque of the CP7748?
A: The specified maximum reverse torque is 959 ft-lbs. - Q: What is the working torque range?
A: The CP7748 has a specified forward working torque range of 70.1–553 ft-lbs. - Q: What size drive does the CP7748 use?
A: It has a 1/2" square drive. - Q: What is the free speed of the CP7748?
A: The specified free speed is 7,000 RPM. - Q: What impact mechanism does this wrench use?
A: The CP7748 uses a twin hammer impact mechanism. - Q: What is the air inlet size?
A: The specified air inlet is 1/4". - Q: What is the weight of the CP7748?
A: The specified net weight is 4.41 lb.
| Model | Part Number | Drive (in.) | Impact Mechanism | Blows / Min. | Free Speed (rpm) | Working Torque (ft-lb) | Working Torque (Nm) | Max Torque (ft-lb) | Max Torque (Nm) | Net Weight (lb) | Net Weight (kg) | Length (in.) | Length (mm) | Air Consumption (cfm) | Air Consumption (l/s) | Vibration a (m/s²) | Vibration K (m/s²) | Sound Pressure dB(A) | Sound Power dB(A) | Air Inlet (in.) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ModelCP9541 | Part Number6151909541 | Drive (in.)1/2 | Impact MechanismPin Clutch | Blows / Min.1100 | Free Speed (rpm)8900 | Working Torque (ft-lb)25.1–320 | Working Torque (Nm)34–434 | Max Torque (ft-lb)450 | Max Torque (Nm)610 | Net Weight (lb)5.51 | Net Weight (kg)2.5 | Length (in.)6.61 | Length (mm)168 | Air Consumption (cfm)13 | Air Consumption (l/s)6.1 | Vibration a (m/s²)5.5 | Vibration K (m/s²)2.5 | Sound Pressure dB(A)89 | Sound Power dB(A)100 | Air Inlet (in.)1/4 |
| ModelCP9542 | Part Number6151909542 | Drive (in.)1/2 | Impact MechanismPin Clutch | Blows / Min.1100 | Free Speed (rpm)8900 | Working Torque (ft-lb)25.1–320 | Working Torque (Nm)34–434 | Max Torque (ft-lb)450 | Max Torque (Nm)610 | Net Weight (lb)5.51 | Net Weight (kg)2.5 | Length (in.)6.61 | Length (mm)168 | Air Consumption (cfm)13 | Air Consumption (l/s)6.1 | Vibration a (m/s²)5.5 | Vibration K (m/s²)2.5 | Sound Pressure dB(A)89 | Sound Power dB(A)100 | Air Inlet (in.)1/4 |
| ModelCP7748 | Part Number8941077481 | Drive (in.)1/2 | Impact MechanismTwin Hammer | Blows / Min.1350 | Free Speed (rpm)7000 | Working Torque (ft-lb)70.1–553 | Working Torque (Nm)95–750 | Max Torque (ft-lb)959 | Max Torque (Nm)1300 | Net Weight (lb)4.41 | Net Weight (kg)2 | Length (in.)6.89 | Length (mm)175 | Air Consumption (cfm)25 | Air Consumption (l/s)12 | Vibration a (m/s²)12 | Vibration K (m/s²)4.5 | Sound Pressure dB(A)94.3 | Sound Power dB(A)105.3 | Air Inlet (in.)1/4 |
| ModelCP7748-2 | Part Number8941077486 | Drive (in.)1/2 | Impact MechanismTwin Hammer | Blows / Min.1350 | Free Speed (rpm)7000 | Working Torque (ft-lb)70.1–553 | Working Torque (Nm)95–750 | Max Torque (ft-lb)959 | Max Torque (Nm)1300 | Net Weight (lb)4.65 | Net Weight (kg)2.11 | Length (in.)8.86 | Length (mm)225 | Air Consumption (cfm)25 | Air Consumption (l/s)12 | Vibration a (m/s²)11.3 | Vibration K (m/s²)3.8 | Sound Pressure dB(A)94.3 | Sound Power dB(A)105.3 | Air Inlet (in.)1/4 |
| ModelCP7748P | Part Number8941177484 | Drive (in.)1/2 | Impact MechanismTwin Hammer | Blows / Min.1350 | Free Speed (rpm)7000 | Working Torque (ft-lb)70.1–553 | Working Torque (Nm)95–750 | Max Torque (ft-lb)959 | Max Torque (Nm)1300 | Net Weight (lb)4.65 | Net Weight (kg)2.11 | Length (in.)8.86 | Length (mm)225 | Air Consumption (cfm)25 | Air Consumption (l/s)12 | Vibration a (m/s²)12 | Vibration K (m/s²)3.8 | Sound Pressure dB(A)94.3 | Sound Power dB(A)105.3 | Air Inlet (in.)1/4 |
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For help selecting the correct Chicago Pneumatic Impact Wrenches for your assembly application, call (800) 608-5210 or email info@intlairtool.com
- Type
- Impact Wrench
- Drive Size (in.)
- 1/2
- Impact Mecanism
- Twin Hammer
- Blows Per Minute (BPM)
- 1350
- RPM
- 7000
- Max Reverse Torque (ft-lbs)
- 959
- Max Reverse Torque (NM)
- 1300
- Air Consumption (CFM)
- 25
- Sound Pressure (dBA)
- 94.3
- Sound Power (dBA)
- 105.3
- Air Inlet
- 1/4"
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