2x72 Belt Grinder Resources

Hardware, Motors, VFDs & More

Brian's Preferred Motor

IronHorse MTR series premium efficiency AC induction motor, general purpose and inverter rated, 2hp, 3-phase, 208-230/460 VAC, 3450rpm, TEFC, 56C/HC frame, rolled steel, rigid base/C-face mount.

Buy from AutomationDirect

Requirements for a motor that will work with the Revolution:

  • TEFC
  • NEMA 56C (this is the bolt pattern)
  • 3450 RPM
  • 3-Phase (no need for 3-phase power, the VFD will convert single-phase to 3)
  • 2HP (Preferred)
  • 220v

Alternative Motor #1
Hallmark Industries MA0520F AC Motor, 2 hp, 3450 RPM, 3PH/60 hz

Buy on Amazon

Alternative Motor #2
2HP Electric Motor 3450 RPM 3-Phase Motor 230V/460V

Buy on Amazon

Alternative Motor #3
BTDH 2HP 3-Phase Motor 3450 RPM 208-230/460v

Buy on Amazon

Brian's Preferred VFD

The KB Electronics, 9520, KBAC-27D (Gray), 1.5;2HP, 1-Phase, 110-120V;200-240V (Input), Nema 4X Enclosure, Variable Frequency Drive

Buy on Amazon    Buy from alternate vendor


 ⚠  The KBAC units do not come with the reverse switch standard but they are cheap and easily installed. 

Buy Reverse Switch

Another preferred VFD - (220 - up to 3HP)
KB Electronics KBAC-29 AC motor control

Buy on Amazon

Cheaper VFD (220)
SZCY AC 220V/2.2KW12A VFD

(You must enclose this or it will fail due to dust)

Buy on Amazon

Cheaper VFD (110 to 220 3-phase)
Wisoqu VFD

(You must enclose this or it will fail due to dust)

Buy on Amazon

Tools & supplies for your Revolution build

Tools required to build the Revolution

Access my full Revolution tool list

Welding Tools & Supply List

Access my full welding supply List

Wiring Diagram for Most Motors & VFD's

Thanks to Dan @ DC Knives dcknives.blogspot.com

Grinder Accessories

Contact Wheel

*Make sure to select 12.7mm bearing*

Buy from AliExpress

Small Wheel Attachment

TR Maker small wheel attachment, rubber-coated wheel set & rack

Buy on Ebay

Free Software

AutoDesk Viewer

View Fusion 360, DWG, STEP, DWF, RVT and Solidworks files.

Get AutoDesk Viewer

Fusion 360

View and edit Fusion 360, CAD, STEP, DXF, and Solidworks files

Get Fusion 360 for personal use