Variable Speed Drives

Stationary Control Drives

Product Features

  • 5VS and 8VS Ultra-V Adjustable Sheave
  • For 5V and 8V narrow belts
  • Capacities to 500 HP @1750 RPM
  • More HP per inch face widthv
  • JVS Adjustable Sheave
  • Needs no lubrication
  • Up to 40 HP @ 1750 RPM
  • For A-B or 5V belts


  • Light Duty (FHP) Adjustable Sheave
  • Give 30% change in datum diameter
  • Designed for 4L or A and 5L or B V-belts
  • Machined from annealed cast iron
  • One and two groove adjustable sheavesv
  • B and C SVS Adjustable Sheaves
  • Available in 2, 3 and 4 groove sizes
  • Needs no lubrication
  • Motion Control Drives

    Product features

    Var-a-Cone sheaves

    • Through shaft mounting
    • No lubrication
    • Cast iron constructionv

    MS sheaves

    • 1/2 through 25 HP @ 1750 RPM
    • Proven reliability
    • Revolutionary oil lubrication design
    • Precision balanced
    • Rugged cast iron construction

    MCS sheaves

    • 15 through 125 HP @ 1750 RPM
    • Excessive oil lube design
    • V to V operation
    • Dynamically balanced
    • Rugged cast iron construction

    All-Pro sheaves

    • 1 through 30 horsepower
    • Collet mounting
    • Lightweight aluminum construction
    • Maintenance-free design

    Roto-Cone® sheaves

    • 1/2 through 30 HP
    • Operates in horizontal and vertical position
    • Exclusive rack and pinion design
    • V to V operation
    • 1/2 through 2 HP @ 1750 RPM
    • Economical, compact design

    Companion Sheves Drives

    TB Wood’s offers a wide range of companion sheaves for motion control variable speed drives that are made to accommodate Sure-Grip® Bushings for ease of installation. A wide range of companion pulleys are also availabl.


    Motor Bases Drives

    Product Features

    • Model ’A’ Tilting Motor Base
    • Reversed motor mounts for smaller motor frames
    • Affords ample adjustment in minimum space
    • Accommodates up to 3/4 HP motor
    • MC Motor Base
    • Floor mounting only
    • Handwheel for maximum ease in adjustment
    • Heavy duty welded steel construction


  • MBA Motor Base
  • Accommodates NEMA motor frames 48 through 405
  • Mountable in any position
  • QS Motor Base
  • Heavy duty cast iron construction
  • Slender construction suitable for applications where space is at a premium
  • Easily released adjusting screw for maximum flexibility
  • Heavy duty welded steel construction