The phrase "powerful motor" means a machine or device that uses a strong and efficient engine to generate lots of force or energy to perform tasks or move with great strength and speed. Full definition
The more powerful motor provides for a quiet run, while delivering peak performance and durability that should allow it to last for many years. (flexmastergeneral.com)
Look for the most powerful motor possible (shown in watts) while a «pulse» setting lets you monitor how fine you're chopping. (idealhome.co.uk)
It has 4WD and a very powerful motor, reaching speeds of 25 miles per hour. (geekwrapped.com)