The TUG ALPHA 4 is one of the tractors in the TUG ALPHA family of pushbacks that consist of the TUG ALPHA 1, 2, 3, 4 and 5. This innovative pushback is designed with safety in mind and is capable of pushback and towing requirements for aircraft including the B747 and the A340. All components of the TUG ALPHA tractors are selected to make high performance, ergonomic and reliable tractors that will have a very long and stable service life in an extremely demanding environment.