I’ve seen a aftermarket plug & play gadget to bypass regens on ZD1511 & F3990 but you have to remove or gut the DPF in exhaust somehow.
https://4dpf.com/galleries/construction/kubota?gclid=EAIaIQobChMI9eejguT28AIVyG1vBB2e2QUQEAAYASAAEgIRDPD_BwE
The ZD1511 & F3990 uses diesel Fuel for regens ...