For the maximum on productivity and trouble free crusher and generator operation keep your jaw full of material as much as possible. The generator actually needs to have a decent load on it to automatically regenerate the Catalyst/Diesel Particulate (DPF) tier 4 final exhaust filter. As always, don't hesitate with any questions and LET THE BIG BOY EAT!!! Learn more and see our entire MICRO Crushers, MICRO Screen Plants, and MICRO Conveyors for the entire MICRO Plant (the portable quarry on wheels!) at Senyacrushers.com. Call us at 919-323-4830, we love talking to folks new to crushing cause there's a TON of $$$$ to be made doing it. Better yet, come see it all in action where we build them with our own two hands here in Raleigh NC!! MADE IN USA baby!!!