National 80-B Drawworks

National 80‑B Drawworks Specifications

• Power Rating:
  • Approximately 1000 HP mechanical drive
• Design & Configuration:
  • Single-drum mechanical design
  • Often part of a rig setup featuring a 10‑line system
• Braking System:
  • Commonly equipped with a PARMAC V‑200 Hydromatic brake (some units may be complete with a NOV Elmagco brake)
• Drive & Catheads:
  • Utilizes (2) National Catheads for makeup and breakout functions
• Line Pull Capacity:
  • Configured for high load applications – one listing noted a 540,000‑pound single line pull (this figure can vary with configuration)