Core Bore Drill Motor - CB 744 Electric 4-Speed Drill Motor

Core Bore® CB744 Electric 4-Speed Drill Motor

The Core Bore® CB744 Electric Drill Motor is a powerful, heavy-duty coring motor designed for professional concrete and pavement coring applications. Its high-efficiency 3000-watt motor, four-speed gearbox, and integrated motor-protection electronics provide the power and control needed for a wide range of core bit diameters. When paired with compatible Core Bore drill rigs, the CB744 supports bits up to 18 inches in diameter, making it well suited for construction materials testing, DOT sampling, and demanding field coring operations. Core Rig Core Bore CB744 Motor …

Key Features

• 3000W, 115V motor with aluminum housing for improved cooling and durability
• 4-speed gearbox with loaded speeds of 225 / 300 / 565 / 780 RPM
• Oil-bath gearbox lubrication and mechanical slip clutch for demanding coring applications
• Advanced electronic motor protection with soft-start, overheat, and overload protection
• Built-in surge function helps alert the operator when the motor is approaching an overload condition
• Built-in LED amp meter eliminates the need for a separate control panel
• Quick-release water hose connection for convenient wet coring
• Built-in bubble levels for easier setup and alignment
• 1.250"-7 threaded spindle with anti-seize ring to help prevent core bits from becoming stuck
• Integrated carrying handle for easier transport and setup
• Mounts to Core Bore M-1, M-2, M-5, and M-5 PRO drill rigs
• Includes PRCD interrupter and open-end wrench Core Rig Core Bore CB744 Motor …

Typical Applications

Ideal for concrete and pavement core sampling, construction materials testing, DOT and highway testing, laboratory sample collection, structural concrete investigation, and general professional wet coring. The combination of four operating speeds and high motor output allows the operator to select an appropriate speed for different core bit diameters and drilling conditions.

Specifications