The Final Drive Centre
The Total Solution for Excavator Final Drives

 

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Final Drives

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Travel Motors

Final Drives

Rotating Case Gearboxes

Track Drives

Travel Devices

Propel Drives

Crawler Gearboxes

Travel Motors

Final Drives

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Final Drive Service

Having trouble with your drive? Don’t know how to check and service it? Need advice? We’re here to help.

This page covers routine maintenance, what to do and when to do it. The links on the left will take you through troubleshooting if problems occur, removal and replacement and how to identify and connect the hydraulic lines correctly.

Routine Maintenance

Always follow the original machine manufacturers procedures where available. The advise we give is general and can not take into account all working conditions or any particular use.

  • Service Intervals
    • Periodically check the oil level (about once a month) and top up if necessary
    • We recommend the following every 250—500 hours or at least once a year depending on usage.
  • What to do
    • Change the oil. Drain the gearbox oil while it is hot so that it is easier to drain
    • Check that there are no metallic parts in the oil.
    • Re-fill the gearbox with new oil. It is usual to fill the gearbox approximately half full — See panel. .
    • Do not mix different types of oil .
    • Check for leaks. Pay particular attention to the main hub mechanical seal (Floating Seal) found between the sprocket and track frame. If oil is found leaking from here it can be indicative of more serious problems so stop the machine and have the seal changed at once.
    • Check the track tension, a tight track chain puts strain on the hub bearings and can lead to premature gearbox failure.

Tip: The life of a final drive gearbox is generally proportional to the frequency of its oil changes.
 

Gearbox Oil

We recommend:

Shell Omala EP220
Esso / Exxon Spartan EP220
BP Mach Energol GR-HP220
Mobil Mobilgear 630
Elf Rebuiltelf SP220
Agip Blasia 220

Final drive problems
 

Click on the ”Troubleshooting” link on the left and work through the information there to help to define the problem

 

Mini excavator final drive with gearbox lid removed and tools around it

2 Stage Planetary Gearbox
With cover removed for inspection


FACT BOX

The Final Drive Centre:

Is the only independent repair and overhaul centre for track-type travel motor/gearbox assemblies in Europe. We repair a wider range of makes and models than anyone else and are experts in our field.

Mini Excavatir Final Drive shown positioned to drain the gearbox oil
Changing the oil
Drain the oil when the gearbox is warm. Turn the gearbox so that one of the plugs on the cover is at the bottom — See picture above. Remove both plugs and leave to drain. Note: If the gearbox is over-full of oil it is indicative of a problem, refer to the troubleshooting page. Turn the gearbox so that one of the plugs on the cover is at the top — See picture below. Fill the gearbox with the correct grade of oil until it flows from the lower plug hole. Replace the plugs.
Picture showing a mini excavator final drive with the gearbox positioned to check or fill with oil

 

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