Impact Wrench 1″
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1″ Pneumatic Impact Wrench (CP Series)
Ultra‑High Torque • Heavy Equipment Service • Hawaiʻi Contractor & Fleet Series
The Chicago Pneumatic 1″ pneumatic impact wrench is a heavy‑duty air tool engineered for equipment maintenance, fleet service, industrial fastening, and commercial construction across Hawaiʻi. Known for its massive torque output, rugged steel housing, and reliable CP impact mechanism, this wrench is built to handle the toughest bolts on trucks, trailers, loaders, excavators, and industrial machinery.
Powered by compressed air, the CP 1″ impact delivers consistent, repeatable torque without overheating — making it ideal for high‑demand environments from Honolulu to Wailuku. Its 1″ square drive, dual‑hammer mechanism, and high airflow efficiency ensure fast removal of stubborn fasteners and reliable tightening of large hardware.
This is the tool Hawaiʻi mechanics, diesel techs, and heavy‑equipment contractors rely on daily.
Key Features
- 1″ square drive for large impact sockets
- Ultra‑high torque output for heavy equipment and fleet service
- Dual‑hammer impact mechanism for maximum breakaway force
- Rugged steel & composite housing for industrial durability
- Air‑powered for continuous duty — no overheating
- Ideal for trucks, trailers, loaders, excavators, and industrial machinery
- Perfect for Hawaiʻi fleet shops, construction crews, and equipment rental yards
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Ideal Applications
- Heavy truck & trailer service
- Equipment rental yard maintenance
- Construction machinery repair
- Industrial plant maintenance
- Large bolt tightening & removal
- Fleet operations across Hawaiʻi
Chicago Pneumatic 1″ Pneumatic Impact Wrench — ultra‑high‑torque air impact for heavy equipment, truck service, and industrial maintenance across Hawaiʻi. Built for commercial shops and fleet operations.
Technical Specifications
(Typical CP 1″ Pneumatic Impact Wrench Specs — matches CP7763 / CP7782 class)
| Specification | Detail |
|---|---|
| Drive Size | 1″ square drive |
| Max Torque | 1,700–2,000 ft‑lbs (model dependent) |
| Working Torque | 1,200+ ft‑lbs |
| Impact Mechanism | Twin‑hammer / Dual‑hammer |
| Free Speed | ~4,000 RPM |
| Impacts Per Minute | ~1,000 IPM |
| Air Inlet | 1/2″ NPT |
| Air Consumption | 45–60 CFM |
| Weight | 12–18 lbs (model dependent) |
| Power Source | Pneumatic (compressed air) |







