3/4 Inch Drive Impact Wrench - Sunex Tools

The Sunex Tools SX4355 3/4 Inch Drive Impact Wrench is engineered for professional technicians tackling the most demanding automotive and industrial applications. This robust sunex 3/4 impact gun delivers substantial breakaway torque, making it a reliable solution for heavy-duty truck and equipment service where standard 1/2-inch tools may lack the necessary power. Its balanced, composite housing ensures sustained performance and control in professional shop and fleet environments.

Key Features

• High-Torque Performance: Provides up to 1,400 ft-lbs of breakaway torque and 5,500 RPM free speed, effectively loosening stubborn fasteners on Class 6–8 trucks, buses, and heavy equipment.
• Controlled Power Delivery: Features one-hand forward/reverse functionality, a three-position torque control, and a variable speed trigger for precise rundown and final tightening, reducing overtightening risks.
• Reduced Shop Noise: Operates at a quiet 84 dBA, contributing to a more comfortable and less fatiguing work environment without compromising power output.
• Durable, Lightweight Construction: Constructed with a 7.55 lb composite housing and a twin hammer clutch system, designed for continuous, high-torque use in demanding industrial and automotive settings.
• Reinforced Anvil: Equipped with a double heat-treated 3/4-inch anvil, providing improved shear resistance for high-load applications and extended tool life.

Applications

The Sunex Tools SX4355 is designed for use with 3/4-inch drive impact sockets across a range of heavy-duty tasks. It excels in Class 6–8 truck service, bus fleets, agricultural machinery, and off-road and construction equipment maintenance. Typical applications include wheel and tire service, suspension and steering component work, frame and chassis fastener removal, and general heavy repair. This impact wrench is also suitable for industrial maintenance and plant repair operations where substantial torque is required.

Specifications

• Drive Size: 3/4"
• Max Torque: 1,400 ft-lbs
• Free Speed: 5,500 RPM
• Weight: 7.55 lbs
• Dimensions: 9.7" L x 9.5" W x 4" H
• Average Air Consumption: 9.6 CFM
• Air Inlet: 3/8" NPT
• Sound Level: 84 dBA