GRW manufactures a range of specialized tanks for the client's exact needs. These specialized units are designed for unique fuel, acids, dry-bulk and liquids applications. These units are designed in various configurations and sizes.

Typical examples of these units are:

• Semi trailers designed to carry liquids on the outbound route and dry-bulk on the return leg. This configuration consists of 4 compartments with the two inner compartments having a pressure vessel rating of 2 bar. The inner compartments are designed for the transportation of powder products needed to be pressure discharged. The 2 outer compartments are designed and manufactured for food grade liquid transportation
• Combination tanker for the transportation of acids on the outbound route and molten sulphur on the return leg. The front and rear compartments are designed as 4 bar pressure rated compartments for acids, and the centre compartment is an electrical heated compartment with temperature control powered by a generator.
• Other special applications include semi trailers and drawbars for apron under and over-wing refueling, various configurations are available.

• Stainless Steel Dual Purpose Semi Trailer
  Front and rear Compartments: 29400L for liquid edible products. Middle compartment: 29600L for Pressure discharge of dry-bulk products.
• Stainless Steel 57800L
  3 Compartment for Dry Bulk and Liquid Tridem Semi Dual Purpose Tanker Trailer.
• Stainless Steel Dual Purpose Semi Trailer
  Front and Rear Compartments: 18200L for Acids - 4 bar Rating.
  Center Compartment 19200L for molten sulphur - insulated electrically heated compartments powered by onboard generator.
• Alumiunium 5000L Rigid
  1 Compartment Baffled Aviation Under-wing Refueller.
• Alumiunium 9000L
  1 Compartment Baffled Aviation Over-wing Refueller.
• Alumiunium 45000L
  1 Compartment Tandem Semi Under-wing Baffled Refueller Tanker Trailer.
• Stainless Steel 45000L
  1 Compartment 2 Axle Drawbar Under-wing Baffled Refueller Tanker Trailer.