Hydraulic Seals Australia (HSA) supplies high-performance hydraulic seals, seal kits and custom sealing solutions for mining equipment across Australia, helping reduce downtime and keep critical operations running.
From excavators and haul trucks to hydraulic cylinders and processing equipment, our sealing solutions are engineered to perform in harsh mining environments, delivering reliability under pressure, contamination and extreme operating conditions.
As part of the Diploma Australia Seals (DAS) Group, we combine local expertise with expanded capability to support mining operations nationwide.
Mining environments are some of the most demanding in the world. Equipment is exposed to abrasive materials, high pressures and continuous operation, where seal failure can lead to costly downtime.
HSA provides mining-grade hydraulic sealing solutions designed to:
Our goal is simple: keep your equipment running longer and more reliably.
We supply hydraulic seals and seal kits for a wide range of mining and earthmoving equipment, including:
Whether you’re maintaining a single machine or managing a large fleet, HSA delivers reliable sealing solutions across mixed equipment types.
HSA is a trusted supplier of aftermarket hydraulic seal kits for mining equipment in Australia, providing a reliable and cost-effective alternative to OEM parts.
Our seal kits are designed to:
We also offer customer-specific kitting solutions, pre-packaged and stocked for rapid dispatch, ensuring you have the right components when you need them most.
With CNC machining capability in every branch, HSA delivers custom hydraulic seals for mining applications with fast turnaround times.
Our capabilities include:
This allows us to respond quickly to breakdowns and supply urgent replacement seals to keep your operation moving.
HSA is trusted by maintenance teams and operators across Australia because we deliver more than just parts.
We focus on delivering fit-for-purpose sealing solutions that improve reliability and minimise downtime.
With branches in Melbourne, Sydney, Newcastle, Brisbane, Mackay and Adelaide, HSA provides responsive, on-the-ground support to mining operations across Australia.
We offer:
Contact HSA today to request a quote, identify a part or speak with a sealing specialist about your application.
What types of seals are used in mining equipment?
Mining equipment commonly uses hydraulic seals, O-rings, rotary seals and wear components designed to handle high pressure, contamination and heavy loads.
Do you supply excavator and haul truck seal kits?
Yes. HSA supplies seal kits for a wide range of mining equipment, including excavators, haul trucks, loaders and hydraulic cylinders.
Can you manufacture custom seals for mining applications?
Yes. With CNC machining in every branch, we can produce custom hydraulic seals quickly to suit specific applications and equipment.
