Kubota L 3901 fuel tank.

[DeKalb28]

What is the best way to drain this fuel tank?

 

[bdhsfz6]

When necessary, I drain my fuel tanks using a vacuum extractor, such as this one:

https://www.amazon.com/America-5060TS-Topsider-Multi-Purpose-Removing/dp/B001445IZ8/ref=sr_1_6?crid=261ESVL3HCFM2&dib=eyJ2IjoiMSJ9.WSB8EI3eCPL9HRTeYD9vfCB0MDLZg1oHdgDfu5qO1AmhD4QnkUBwkYhHm9tSGjfBrw93yReBsOzAkgbq336TvybCGFpaX9GS_yVOvcOyf150HQybX5bjWFvZ17bUC2wKC3KPevP7Ud7u-fXATxx1kS3unjvaMot79KlnaByQI4JSzpk05r7zty81EcvvDbSOJsCNb-QFvhX3-PuMzRsPYD29ZB_UNaAWWIMMBugSYJiMJ0htvW5S-dHvCmJURA6_BdkFxFLO-1SRguJ2tISaDf3HYti5yFMhvtea5xe7QHw.eKA6eeWNXtIgBxKLyZ7I9lF_HlDGJIjEJYI2l4dc2JI&dib_tag=se&keywords=topside+oil+extractor&qid=1747593290&sprefix=topside+oil%2Caps%2C133&sr=8-6&ufe=app_do%3Aamzn1.fos.9fe8cbfa-bf43-43d1-a707-3f4e65a4b666

I've used it with oil, diesel and gasoline.

 

[5030]

Harbor Freight sells a vacuum extractor as well.