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The OCTANE Brushless 18V 7-1/4 In. Circular Saw features a high-performance brushless motor and advanced electronics that provide best-in-class power and intelligence. While providing increased performance with all RIDGID 18V batteries, OCTANE tools provide maximum performance in high-demand applications when paired with OCTANE batteries (batteries not included). Paired with an OCTANE battery (batteries not included), this tool gives 30% more power. With registration, this tool is backed by the Industry’s Only Lifetime Service Agreement: FREE Parts. FREE Service. For LIFE. The OCTANE Brushless 7-1/4 in. Circular Saw includes a 7-1/4 in. blade, blade wrench, vacuum attachment, dust chute, rafter hook and operator’s manual. Battery and charger sold separately.


  • Industry-leading 2-11/16 in. depth of cut
  • RIDGID OCTANE Brushless 18V 7-1/4 in. Circular Saw delivers 30% more power than the previous brushless unit (R8653B) when paired with an OCTANE Battery
  • The dust chute and included vacuum adapter cuts back on jobsite clean up
  • With the integrated accessory rail, users can attach the included rafter hook for additional storage options
  • LED light engages with a trigger for a more direct and clearer line of sight
  • Offers up to 56-degree beveling cuts for added versatility
  • 100% Compatible: Works with all RIDGID 18V Batteries and Chargers
  • Includes: (1) R8654B OCTANE Brushless Circular Saw, (1) 7-1/4 in. blade, (1) blade wrench, (1) vacuum attachment, (1) dust chute, (1) rafter hook and operator’s manual
  • Battery and charger sold separately
  • RIDGID: Build for a Lifetime


  • Brand: Ridgid 
  • Dimensions: H 9.14 in, W 8.98 in, D 15.32 in
  • Product Weight (lb.): 8.6 pounds
  • Maximum Cut Depth at 45 Degrees (in.): 2.69 in
  • Maximum Cut Depth at 90 Degrees (in.): 1.813 in
  • Maximum Speed (RPM): 5600 RPM
  • Voltage (volts): 18 V

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