CUMMINS FOR SURE, BUT STAY AWAY FROM ALL THE "WHISTLES & BELLS" HYDRAULIC FINGERTIP CONTROLLERS- APPARENTLY THEY NEED CONSTANT CALIBRATION WHICH YOU CAN'T DO UNLESS YOU CAN GET INTO THE ON BOARD DIAGNOSTICS. ALSO THE DRIVERS SAY THAT THERE IS NO "FEEL" TO THE CONTROLS. DURAMACH TRANS- DO YOU REALLY WANT A COMPUTER CONTROLLING THIS OR BRAKES ? ALSO IF THERE IS A FAULT THE TRUCK APPARENTLY SHUTS DOWN ON THE SPOT. I'VE TALKED TO ACTUAL HYSTER SERVICE MECHS, & THEY SAY KEEP IT SIMPLE. ALL THIS STUFF IS NICE WHEN IT WORKS. IT'S A FORK TRUCK , NOT A SUV.