200 TOP HEAD DRIVE SWIVEL
Small, durable and lightweight, used on small rigs such as the DR-200 Series Rigs
200 TOP HEAD DRIVE SWIVEL WITH AUTOMATIC BREAKOUT SYSTEM
A new, lightweight top head drive to replace a combination of hydraulic motors and gearing.
NOTE: Wedgelock connections covered by N.H.M., Inc. U.S. and foreign patent NO. 5,409,324; 5,588,772; 187552; and P94100AU.