3M™ orbital and random orbital sander drop-in motors are designed to replace motors as a complete assembly on 3M™ orbital and random orbital sanders. Drop-in motors available for all versions of 3M™ orbital and random orbital sanders. 3M™ orbital and random orbital sanders (sold separately) combine durable, lightweight construction and operator ergonomics around a powerful precision balanced motor for professional performance and a swirl free finish. When it comes time for motor replacement, 3M™ offers orbital and random orbital sander drop-in motors to expedite the process. Having a motor pre-assembled and ready to go helps end users repair their 3M™ orbital and random orbital sanders quickly, without the time or additional equipment needed to properly rebuild a worn out motor.