
CP HD 3/4 Air Impact Wrench
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Professional Grade Power - Chicago Pneumatic Air Impact Wrench (CP772H)
Heavy Duty 3/4 Inch Drive for Truck and Equipment Maintenance
When you need to break loose stubborn lug nuts or tackle high-torque applications on trucks, buses, and heavy equipment, this professional air impact wrench delivers the power and reliability that separates the pros from the DIYers. With 1,000 ft-lbs of reverse torque and Chicago Pneumatic's proven DYNA-PACT oil bath clutch system, you get smooth operation and extended tool life even under daily shop use.

Key Features That Make the Difference
Maximum Breaking Power
Delivers 1,000 ft-lbs of reverse torque to break loose the most stubborn fasteners that leave other impact wrenches struggling. The oil bath clutch mechanism ensures consistent power delivery without the jarring hits that damage threads or your wrists.
Professional Durability
DYNA-PACT oil bath clutch system runs smoother and lasts longer than standard pin clutch designs. The oil lubrication reduces internal wear and heat buildup, extending tool life in high-volume shop environments where cheaper tools fail.
Operator Comfort and Control
One-handed forward/reverse button with 4 power settings lets you match torque to the job without changing tools. The 360-degree swivel air inlet prevents hose kinks, while the ergonomic grip reduces hand fatigue during extended use.
Perfect Applications for This Heavy Duty Impact Wrench
Designed specifically for professionals who work on:
- Truck and bus wheel service, suspension work, and differential maintenance
- Agricultural equipment repair with high-torque fasteners and seized bolts
- Construction equipment maintenance in field and shop environments
- Industrial assembly applications requiring precise torque control
- Heavy machinery repair where other impact guns lack sufficient power
- Fleet maintenance operations demanding reliable daily performance
Technical Specifications
| Drive Size | 3/4 inch square drive |
|---|---|
| Maximum Torque (Reverse) | 1,000 ft-lbs |
| Working Torque Range | 150-700 ft-lbs (Forward) |
| Free Speed | 4,200 RPM |
| Clutch Type | DYNA-PACT Oil Bath Pin Clutch |
| Air Consumption | 6 CFM Average / 24 CFM Load |
| Air Inlet Size | 3/8 inch NPT |
| Weight | 10.5 lbs |
| Overall Length | 9.63 inches |
| Sound Level | 96 dB |
Get Professional Results with Proven Chicago Pneumatic Quality
This isn't just another shop tool - it's the heavy duty air impact wrench that professionals rely on when other tools come up short. With proven DYNA-PACT technology and the power to handle your toughest jobs, it pays for itself in time saved and frustration avoided.
Order now and experience the difference professional-grade torque makes.
Frequently Asked Questions
How does this compare to cordless impact wrenches?
This air impact wrench provides consistent power throughout the entire job without battery fade or charging downtime. While cordless models offer portability, this pneumatic design delivers superior torque (1,000 ft-lbs vs typical 400-600 ft-lbs for cordless) and unlimited runtime as long as you have compressed air available.
What size air compressor do I need for this impact wrench?
You'll need a compressor that can deliver at least 6 CFM at 90 PSI for average use, with 24 CFM capacity for continuous heavy-duty operation. Most shop compressors with 60+ gallon tanks and 5+ HP motors will handle this tool well for professional use.
Is this suitable for lug nuts on passenger cars?
While this tool will easily handle car lug nuts, it's designed for much heavier applications. For regular passenger car work, a 1/2 inch drive impact wrench is usually more appropriate and easier to handle. This 3/4 inch model excels on trucks, buses, and heavy equipment where maximum torque is essential.
What makes the oil bath clutch better than standard designs?
The DYNA-PACT oil bath system lubricates internal components continuously, reducing friction, heat, and wear. This results in smoother operation, longer tool life, and more consistent torque delivery compared to dry pin clutch systems that can become erratic over time.
About the Brand
