1/2" Dr Air Torque Limited - Chicago Pneumatic

The Chicago Pneumatic 8941077484 (CP7748TL) 1/2" Dr Air Torque Limited Impact Wrench is engineered for precision and efficiency in demanding automotive and fleet service environments. This robust air impact wrench combines controlled forward torque with powerful reverse breakaway torque, enabling technicians to quickly transition from fastener removal to controlled snugging, thereby minimizing the risk of overtightening and potential damage to components. It is specifically designed to provide accuracy in wheel and chassis work.

Key Features

• Torque-Limited Forward Operation: Delivers approximately 60–70 ft-lbs (90–100 Nm) in forward, ideal for initial fastener engagement. This controlled application helps prevent distorted studs, stretched threads, and damage to alloy wheels during tire and wheel service.
• High Reverse Breakaway Torque: Offers up to 922 ft-lbs (1250 Nm) of maximum torque in reverse for efficient removal of rusted or seized lug nuts, suspension components, and drivetrain fasteners on passenger cars, light trucks, and SUVs.
• Durable Twin-Hammer Mechanism: Features a robust twin-hammer impact mechanism with hard anodized end plates and a hard chromium aluminum cylinder, all encased in a composite housing for sustained daily use in demanding shop environments.
• Ergonomic and Compact Design: Weighing just 4.8 lbs (2.2 kg) with a 7.8" (200 mm) overall length, it includes a rubber-injected handle for a solid grip, improved balance, and reduced technician fatigue during repetitive undercar tasks.
• One-Hand Control: Equipped with a standard 1/2" square drive for professional impact sockets and a convenient one-hand reverse selector with two power settings for quick adjustments between removal and controlled tightening.

Applications

This air impact wrench is well-suited for wheel and tire service on passenger cars, light trucks, and SUVs where controlled torque application is crucial before final torque wrench tightening. It is also an effective tool for fleet maintenance operations, tire shops, and dealer service bays aiming to reduce wheel-related comebacks and hardware damage. Additionally, it supports general repair work, including brake, suspension, engine, and transmission tasks, by providing strong reverse power and consistent controlled forward torque. The CP7748TL is intended to be used as a "snugging" tool prior to final tightening with a calibrated torque wrench to reach the car manufacturer's specified torque rating for wheel assembly.

Specifications

• Model: 8941077484 (CP7748TL)
• Drive Size: 1/2"
• Weight: 4.8 lbs (2.2 kg)
• Forward Torque (Limited): 60–70 ft-lbs (90–100 Nm)
• Max Reverse Torque: 922 ft-lbs (1250 Nm)
• Free Speed: 8,200 rpm
• Length: 7.8" (200 mm)