This portable starting unit is one of our most popular for ground use at home or in the field; it will start turbine or piston engines with up to 1500 horsepower. Versatile and dependable, this 24 volt Twin Pac can be used as a single unit or separated into two complete units that can easily be carried on board different aircraft. This Twin Pac comes with its own trolley and “Y” connector included and its environmentally responsible, low VOC powder coating protects the case from wear, tear and poor weather conditions.