Brushed Motor Selection and Gearing Guide by Vehicle

Looking to get a brushed motor for your rig, but don’t know where to start?  Too many choices got you dizzy in the head?  This guide will help you make a motor selection and ensure you get what you need and gear it properly!  Don’t let your motor temp get over 160f  (70c) for best motor life!  When in need of more speed, volt up and gear down instead if increasing the pinion size.

 

Are you just starting out and don’t know what to get?  Select a 55t TorqueMaster for longest runtimes, or a 45t – 35t TorqueMaster for more power and wheelspeed.

Purchasing for a child new to R/C crawling and trail running?   The 55t TorqueMaster 540 Sport motor for Crawling is our best suggestion.  It is not overly powerful on 2 to 3s lipo and parts breakage will be less likely.   Faster winds and Pro build motors will break parts easily, beware of the power!

Axial AX10/ SCX10

  • Fun running:  35t – 27t TorqueMaster or 16t – 13t CrawlMaster
  • Competition:  30t – 21t TorqueMaster or 14t – 11t Crawlmaster
  • 5.5:1 spur to pinion ratio advised.  eg 84 spur and 15 tooth pinion

Axial XR10

  • Fun running:  45t – 35t TorqueMaster or 20t – 16t CrawlMaster
  • Competition:  35t – 30t TorqueMaster or 16t – 13t CrawlMaster
  • Start with stock pinion, 14 tooth or smaller

Axial Wraith

  • Fun running:  35-27t TorqueMaster or 13t CrawlMaster
  • NOTE:  We recommend 15/84 or slower gearing to prevent motor overheating!

RC4WD Trailfinder

  • Fun running:  55t – 27t TorqueMaster or 16t – 13t CrawlMaster
  • Competition:  35t – 27t TorqueMaster or 16t – 11t Crawlmaster
  • Gearing unknown yet, please email for advice

Berg

  • Fun running:  45t – 35t TorqueMaster or 20t – 16t CrawlMaster
  • Competition:  35t – 30t TorqueMaster or 16t – 13t CrawlMaster
  • 12t or smaller pinion recommended

 


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