Welcome to  STAC Inc                             Hydraulic Drives for Liquid and Dry Bulk Transportation Industry

Here at STAC, we emphasize our attention on creating quality, long lasting hydraulic coolers for our customers. As your hydraulic specialists we spare no expense when it comes to manufacturing our THERMAFLOWS, because delivering a product designed to perform and last is our goal.      300 website
***This THERMAFLOW Model 300 was built in 1993, has a serial number of 0025 and was just retired from the roads in January 2015. This unit ran for over 20 years and has given us at STAC even more reassurance in providing you a superior product that will last for years.*** 

With a THERMAFLOW as your cooler, reliability…is second nature.

The Right Choice

STAC Inc is your hydraulic drive specialists. We offer a wide variety of services including design, specifications, and correctly sizing components to meet individual and fleet needs. We manufacture a line of compact and lightweight hydraulic cooling systems for the bulk liquid and dry bulk transportation industry.

Committed To Your Success

Our goal is to offer you the best hydraulic cooling systems in combination with the industries best hydraulic pumps, PTO’s, motors and control valves.

Hydraulic Specialists

  • SS600


SS934 SS600 SS675 500P