Affordable. Rugged. Dependable.spin doctor 400
Our SD400 Valve Exerciser with vertical and horizontal articulation is the most affordable and versatile valve exerciser available. Maintain your valve and hydrant inventory with no operator fatigue or injury. Simply slip the SD400 into any standard hitch receiver and you’re off and working. Learn more at »


Key Features:

  • Most Economical Boom Available
  • Simple to Use
  • Versatile Mounting
  • Substantial RPM for the Job
  • Easily Reach Valves
  • Unmatchable Vertical Range
  • Virtually Eliminates Worker Injury and Fatigue
  • Hands on Operation
  • Multiple Mounting Configurations
  • Lifetime Boom Warranty

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