Bulk Unloading and Engineered Solutions for Tank Trailers from PSC


PSC offers bulk unloading pumps, blowers and compressors including oil-free options, customizable for your needs and built with proven components. We also offer Polar-Pac, an engineered liquid bulk unloading solution.

Introducing Polar-Pac

PSC is proud to introduce Polar-Pac, the engineered solution to all of your tank trailer liquid bulk unloading needs. The Polar-Pac has a no-drill, rail-mounted frame that requires only 24 inches of frame. It has a modular design with reservoir and cooler and is easy to install and field-serviceable. It can be engineered with an oil-free vane compressor or piston compressor, or with a gear pump or oil-free positive displacement pump.

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Polar Bulk Unloading VANExVANE product

Bulk Unloading Products

PSC offers bulk unloading products including these top-of-the-line components from the leading bulk displacement manufacturers.

PSC Pumps and Compressors Catalog

Ingersoll Rand SV200 compressor

Ingersoll Rand SV200

Oil-free sliding vane compressor with up to 36 PSI and up to 102 CFM

Ingersoll Rand SS5

Ingersoll Rand SS5

Piston compressor with 18.1 CFM at 90 PSI

Quincy Compressors

Quincy Compressors

PSC offers Quincy reciprocating compressors including the QTS5.

Ingersoll Rand SS5

Blackmer Vane Pumps

PSC offers Blackmer vane transport pumps for clean, lubricating liquid petroleum products, biofuels, or solvents. TXD2.5A shown.

Ranger 229HHFRV Gear Pump

Ranger Series 22 Gear Pump

Ranger Series 22 pumps deliver up to 165 GPM of capacity and are offered in 90 and 180 degree configurations for superior liquid pumping.

Roper 3600 part

Roper 3600 Series Gear Pump

With capacity up to 168 GPM, PSC offers the full line of Roper 3600 series gear pumps, flanges, and components for premium liquid pumping.

Tuthill T1055

Tuthill Blowers

Premium rotary positive displacement transport blowers

Hydraulic Cooler

Polar Hydraulic Cooler

Description to come soon!

Customizable Bulk Unloading Solutions

We happily help you with bulk unloading solutions that meet the specifications and needs of your fleet of tank trailers and tank trucks. We will happily customize a solution for your fleet's unique specifications. Whether you need a pump, blower, or compressor; and whether you need oil-free or gear-driven unloading, we can provide you top-of-the-line equipment made of proven components from companies like Ingersoll Rand, Tuthill, Ranger, and Blackmer. We will work to identify your specific needs and build the right custom bulk unloading solution for you. Contact us today so we can help you address your bulk unloading needs.

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Fuel truck in yard

PSC Offers Multiple Solutions for Bulk Unloading:

  • Food Grade
  • Liquid Bulk
  • Petro-Chemical
  • Hydro-Chemical
  • Dry Bulk
  • And More