May 7, 2021 / Branson 3520h Coolant Change #11 RjCorazza Elite Member Joined Apr 6, 2000 Messages 3,930 Location Maryland Tractor Kubota L4060 Cab, ZD1211, ZD326 If you want to confirm the coolant concentration I recommend a refractometer. They are very accurate, calibrated easily with distilled water, and inexpensive. I bought mine a few years ago for about $20.
If you want to confirm the coolant concentration I recommend a refractometer. They are very accurate, calibrated easily with distilled water, and inexpensive. I bought mine a few years ago for about $20.