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About HSS

Our Mission

Hydrastatic Sales & Service (Pty) Ltd aims to be the recognised leader in industrial hydraulic sales & service for all products marketed under the HSS brand.

Through technical expertise, quality and reliability coupled with a sound work ethic HSS will grow our product offering and market share within sub-Saharan Africa and the World.

Hydrastatic Sales & Service (Pty) Ltd strives to forge rewarding long-term relationships with our staff, customers, business partners and shareholders in a way that benefits the community and industry alike.



Denison & HSS in South Africa

  • HSS key staff background – Cumulative 60 years’ experience – The key staff of HSS has amassed a cumulative 60 years’ experience with the Denison product which is unrivalled in South Africa. Similarly we have also had many years’ experience with the Schroeder products dating back to the 1980’s & 90’s.
  • Parker Denison Purchase – 2004 Parker acquires Denison World Wide
  • Hydrastatic Sales & Service – 2009 formed from the need for specialised service identified in the market.

Gold Cup Open & Closed Circuit Pumps & Motors 1


Calzoni Radial Piston Motors 1


Our Primary Activity

HSS specialises in the Sale, Service & Technical support of the Parker Denison range of Piston Pumps & Motors including Calzoni low speed high torque radial piston motors. We supply new pumps & motors as well as offering repair / reconditioning services.

Repairs to Parker / Denison Piston Pumps & Motors, Vane Pumps & Motors are carried out to OEM specifications. Sales Distribution of the Schroeder range of filtration products.

Schroeder Industries Logo

Master Distributorship for sub-Saharan Africa

We are proud to confirm that we are the Sole Distributor of Schroeder Industries Filtration Products for the sub-Saharan Africa region. We market the full range of Schroeder Industries Filtration Products and endeavourer to maintain optimum stock levels of prime stock to meet market demand

HSS-TK-EM1H Pump Test Kit 1

HSS-TK-EM1H Pump Test Kit 12


Value Added Products

Our value added product offering includes a purpose manufactured test kit for testing the Denison Gold Cup Piston pumps on site. We also offer a specialized Hydrastatic High Pressure filter for use in closed-loop hydrastatic systems.

Genuine OEM Aftermarket Spares

We are proud to confirm that while there are many “copycat pirate’” spares in the market today we carry only original authentic Parker Denison OEM aftermarket spares and products for your peace of mind.

 B-BBEE (BEE) Level 2 Certification

B-BBEE We are pleased to confirm that we have been issued with a BBBEE compliance certificate following our evaluation by Veridex Verification and Management Services (Pty) Ltd who are an IRBA approved B-BBEE verification agent.