Mechanical Variable Speed Pulleys and Drives
Hi-Torque MVSDs®
Speed Selector designs and manufactures mechanical variable speed pulleys, drives and sheaves. Our pulleys last longer than competitor brands and we feature INSTANT SHIPMENT from our large inventory. Proudly made in the USA.
With our in-stock items, we are able to cross over to most other brands such as Hi-Lo, Lovejoy, T.B. Woods, Reeves, Browning, Gerbing, and Lewellen.
We offer a wide variety of standard drive packages ranging from fractional through 150 HP capacity, and up to a 10:1 output speed ratio. We specialize in custom designed pulleys, sheaves and accessories in both high and low volumes.
Aluminum vs. Cast Iron Pulleys
Speed Selector has proprietary coatings for our aluminum pulleys that outlast cast-iron pulleys by at least 5 times. Aluminum provides numerous other benefits such as lighter hung weight, heat dissipation and longer belt life due to reduced heat.
If you are accustomed to cast iron, you should give aluminum a try as our aluminum pulleys will exceed your experience with cast iron.
Crossover
We manufacture and stock Speed Selector pulleys that cross over to brands that have been discontinued or have long lead times. Our proprietary coatings enable our pulleys to outlast competitor brands by at least 5 times.
BIG SHEAVES!
YOU ASKED, WE ANSWERED!
We’ve received many calls from customers asking for larger size sheaves because they have been discontinued by TB Woods. Speed Selector is committed to meeting our customer’s needs, and we’re happy to let you know that we can now provide you with sheaves ranging in size from 4″ to 22″.
Choose from the companion sheaves listed in the navigation menu to find the right size for your application.
Our Product Line
Speed Selector Series 21 variable speed v-belt drives are available in both Fixed-Center Distance Drives and Adjustable Center Distance Drives configurations, and accommodate applications from fractional through 5 hp.
The Series 45 Fixed Center Distance Drives accommodate applications ranging from fractional through 100 hp.
The Series 800 and Series 8800 are both Adjustable Center Distance Drives ranging in capacity from fractional through 40 hp.
In conjunction with the Series 800 and 8800 pulleys, we offer a complete line of wide belt Companion Sheaves and Adjustable Motor Bases: Series 800 for pulleys with one moveable face, and Series 8800 for pulleys with two moveable faces.
Series 45, 800 and 8800 also includes a complete line of variable speed belts, gear motors, and tachometers.
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