Rail Guidance SysteM | Road Rail Vehicles

H21 S SERIES HITACHI ZX170W-5

The H21 S Series Rail Machine uses the Hitachi ZX170W as the Base Machine. This is a full Turn Key Rail Package, the team manages the purchase and installation of a Tiltrotator as well as managing Network Submissions and offer all types of Rail Maintenance Attachments. 


This machine has been developed for the operators. Operator’s need a machine that can withstand the most sever working conditions while also being safe, versatile, efficient and simple to operate. 


Harrybilt Engineering have developed this machine with the concept for safety first. The S Series is one of the safest Rail Machines on the market, manufactured in Australia for Australian conditions. 


  • The Rail wheels are adjustable to Standard and Broad Gauges. 
  • All wheels comply with Australian Standard AS 7514.4. 
  • All wheels meet the P/D ratio. 
  • The rail wheel bearings installed are the highest quality and are fully sealed against dust and water. 
  • The twist mechanism in the blade complies with rail regulator & Australian Standard requirements. 
  • Rubber tire contact on rail provides excellent machine breaking, acceleration and stability. 
  • The Hydraulic cylinders have integrated lock valves. 
  • Has a break away coupling for the hydraulic trailer brake activation on the stabiliser end. 
  • A 50mm pin tow hitch on both ends of the machine to suit ring feeder tow system. 
  • All four rail wheels are fitted with park brakes to prevent “run aways”. 
  • All the controls are operated from the driver’s cabin. 
  • All hydraulic components are matched to excavator’s specifications for flow rate, operating pressure and temperature. 
  • One emergency hand pump kit in the event of engine failure. This will allow the operator to lift the boom off the ground and raise or lower the front and rear rail system. 
  • Engineering certificates for the rail system through an independent RPEQ qualification Engineer. 
  • The Machine conforms to all relevant sections of AS7500 series standards. 

Like to find out more about the H21 S Series Hitachi ZX170W-5?

If you're interested in discovering more about H21 S Series Hitachi ZX170W-5 from Harrybilt, you can download a copy of the S-Series brochure here in PDF format. This brochure contains additional product details and specifications that you may find helpful.  For any further enquiries, please don't hesitate to contact us.

Harrybilt S-Series Catalogue

Looking for spare parts?

Harrybilt Engineering has an extensive range of spare parts available for immediate delivery.


Click the button below to view spare parts for the H21 S Series Hitachi ZX170W-5, or contact our friendly team and they'll be more than happy to help out.

Other S Series Rail Machines