The Model 40 Tow Tractor/Utility Vehicle has 4,000 lbs. DBP rating with torque-multiplying planetary drive axle. It features economical electric power—zero emission with 88.8V lithium polymer technology that offers cost-saving performance—or conventional 80V ACpower. It is an ideal tow tractor for baggage, light cargo and small to medium aircraft.Model 40is available with gas, diesel, LPG or CNG.