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Read articles →An owner-operator walkthrough of tracking down and fixing a slow hydraulic leak on a Kubota L3901. The video follows the real diagnostic process, ruling out the power steering seal, identifying the actual culprit as a loose HST oil cooler hose clamp, and showing how cramped the repair space is. Useful for L3901 owners facing a similar front-end leak who want to see the location and access challenges firsthand.
An owner-operator sharing hands-on experience maintaining their own Kubota L3901, posted by the DIY My Way channel.
In this case it was a loose hose clamp on the HST oil cooler line, not the power steering seal as initially feared.
According to the owner's manual, the line should be checked every 200 hours and replaced every two years.
Yes, the owner describes it as very tight quarters, saying the area clearly was not designed with servicing in mind.