ABB 400 Hp Top Drive Drilling Motor


The ABB Baldor-Reliance® 400 Hp Top Drive Drilling Motor is engineered for the harsh conditions of onshore drilling. With over 25 years of design experience, ABB delivers a high-performance motor that combines power density, durability, and safety. Certified to multiple international standards, this motor provides dependable performance and long service life in demanding drilling environments.

Key Points

  • 400 HP motor rated 1150/2400 rpm, 575V (available in random or form wound designs).
  • Designed for ambient temperatures up to 55°C with IP44-rated laminated steel frame.
  • Class II double-ended shaft and cast aluminum rotor built to withstand 6G shock loads.
  • Optimized pole winding for VSD operation and high-performance insulation system.
  • Certified to CSA, ATEX, IEC-Ex, and ABS standards for global compliance and safety.
  • Features ductile iron bearing brackets, stainless steel air covers, and safety-wired fasteners.
  • Advanced lubrication system using Black Pearl grease and double seal protection.
  • Manufactured in Gainesville, GA – ISO 9001, US Navy, Nuclear 1E QA, and ATEX certified.