Middlesex County, Ontario | I think that you should contact Hardi tech support directly. Have your serial numbers ready. Their tech support is knowledgeable and easy to deal with. Circa 2013/2014 is when Hardi sprayers became isobus ready from the factory, and prior models can be readily made isobus capable with an upgrade it. I do believe that your jobcom board is isobus capable but that the HC5500 control box is not isobus capable but I am not knowledge to be certain. I also have a jobcom, HC5500, and Trimble monitor.
What you could do is connect the HC5500 to the GFX750 with a serial cable. You may need a one time serial-VRA unlock from Trimble for around $750. This will give you full GPS section and rate control, prescription rate ability. No changes to the sprayer are required for this option other than enabling a setting in your HC5500. It won't be ISOBUS, but it will likely be the least expensive option to have GPS sprayer control. I have been using this successfully for many years.
Edited by WildBuckwheat 1/24/2025 11:54
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