Pro Ag Supply • 4750 6th Avenue SE • Aberdeen, SD 57401 • 605-225-9221
top arrow

Tanks & Parts

Proudly offering

Ace Roto-Mold tanks

The Ace Roto-Mold division of Den Hartog Industries manufactures a variety of plastic tanks to meet all of your liquid storage and containment needs. Most tanks are manufactured from medium- or high-density polyethylene and are designed for containment of liquids of up to 1.7 specific gravity. Most plastic tanks come standard in the “natural” (white) color, which is translucent for level viewing and FDA approved for potable water and food-grade storage. Ace Roto-Mold is proud to offer a variety of high-quality tanks for the agricultural and industrial markets.

We offer sizes and fitments for almost any standing, riding or OEM application. We have or can get almost any tank you could imagine including:

  • Ace H2O Water Only Tanks
  • Cone Bottom
  • Crop Care
  • Dualline™ Double Wall Tanks
  • Feed Carts
  • Free Standing Horizontal
  • Fuel Tanks
  • Liquid Feeder Tanks
  • Pick Up Tanks
  • Specialty Bulk Storage & Applicator
  • Stackable Totes
  • Stock Tanks
  • Tractor-Mounted Tanks
  • Vertical
Learn more about Ace-Roto Mold
ace roto mold

Free Form Plastics

Free Form Plastics manufactures a wide selection of high-quality innovative products — storage tank solutions, agricultural products, and much more.


The Chembine by Free Form Plastics, with several Patent Pending designs, is a cutting-edge way of mixing and blending chemicals for your agricultural needs. The CHEMBINE incorporates all the features of a typical chemical mixer plus adds some user-friendly features while dramatically improving in the following areas:

Browse Free Form Products

Invest in long-term quality

Novid Liquid Fertilizer Tanks

Novid Liquid storage tanks are professionally engineered for safe storage of liquid fertilizers and other liquid products with lower long term costs.

Professionally Engineered

  • Designed for safe, long term liquid fertilizer storage
  • Structurally engineered to last
  • Manufactured with corrosive resistant T304 or T316 stainless steel
  • No down time for repairs, inspections or maintenance
  • No on-site paint touch-ups required
  • Environmentally friendly

Standard Features

  • Butt welded joints
  • 18” manway
  • 4 lift lugs
  • 4 anchor tabs
  • 4” PVC Suction Coupler at 90 degree angle
  • 3” PVC Fill Coupler at 45 degree angle
  • 3” Roof Vent
  • 3/4″ sight tube
  • Re-enforced manway


  • SS Ladder/Cage
  • 4″ Fittings
  • 24″ manway
  • Sloped Floor
  • Roof manway
  • Flange Fittings
Learn more about Novid
novid tanks