The Chicago Pneumatic CP8613 is a 3/4″ drive cordless battery torque wrench from the CP86 Series, delivering 300-1,300 Nm (220-960 ft.lb) of torque with +/-4% accuracy at a free speed of up to 10 rpm, making it suitable for heavy bolting on energy, mining, construction and railway applications, including oil & gas pipelines, wind turbines, heavy-duty vehicles and off-road equipment. This Standard model displays torque readings on its built-in digital screen. Powered by a long-lasting, compact 36 V / 2.5 Ah lithium-ion battery, it offers extended mobility versus hydraulic or pneumatic wrenches, with a second start button and automatic reaction-arm release for added operator safety. The pack includes the CP8613 tool, two batteries, a battery charger, charger cable and carry case (reaction bar not included).
Technical Specifications:
- Drive size: 3/4″ square drive
- Torque range: 300-1,300 Nm (220-960 ft.lb)
- Accuracy: +/-4%
- Free speed: 10 rpm
- Battery: 36 V / 2.5 Ah lithium-ion
- Weight (without reaction arm): 3.7 kg
- Dimensions (H x L x W): 285 mm x 318 mm x 77 mm
- Sound pressure: 83 dB(A) | Sound power: <72 dB(A)
- Vibration: <2.5 m/s2
- Starting system: Double-trigger
- Power-to-weight ratio: 350 Nm/kg
Features & Benefits:
- High precision tightening with +/-4% accuracy
- Safe tightening with a second start button as standard
- Extended mobility thanks to a lightweight, compact 36V/2.5Ah battery
- Automatic release reaction arm to prevent the tool sticking on the application
- Intuitive handling via the tool’s OLED digital screen or, on Connected models, the CPLinQ app
- Displays torque readings on its built-in digital screen
- Supplied as a WOB (Without Bar) pack, without the S-type reaction bar




