Whether processing raw wood into chips or the manufacturing process of turning pulp into paper, PT Tech has proven products for all of your needs.  PT Tech’s HPTO diesel engine clutches can be found on a wide variety of tree chippers around the world, and our torque limiters are applied to paper rolling lines and other equipment throughout the entire process.

HPTO® Diesel Engine Clutches

PT Tech manufactures two HPTO® families commonly called DRY and WET clutches. HPTO® DRY clutches have their disc packs operate in a dry (oil free) environment, whereas the HPTO® WET clutches have their disc pack operate in a wet (oil soaked) environment

Torque Limiters

PT Tech is known as the world’s leading expert in Torque Limiters. Since 1978, PT Tech has led the charge in torque limiting research, testing, and products for extreme machines in: tunnel boring, mining, recycling, off-highway, steel, and the wind industry.