You can get the hydraulic pressure from the PTO and the electric power from the electrical system on the truck (24V) or from an external generator. However, you still need the hydraulic pressure from the PTO.
You can get hydraulic power units that are made specifically for connecting to the preheaters (as a sort of generator, supplying power for the oil burner as well as hydraulic pressure for the hydraulic system on the preheater).
The power station is constructed and made with the purpose of driving the hydraulic pump for the hydraulic system of the preheater. Plus to deliver the necessary power for the oil burner. We offer two options of hydraulic power units, depending on whether you need to power one or two preheaters.