MB-2 tow tractor
The MB-2 Tow Tractor is an aircraft towing vehicle used by the United States and Allied Air Forces. There are several models of the MB-2 tractor, with weight characteristics between .   

The first generation was delivered in 1968 to the US Air Force by the Oshkosh Truck Corporation.  Oshkosh delivered a total of 72 vehicles under that contract.  Since then, several manufacturer's have produced the MB-2 vehicle, including Stewart & Stevenson, Grove Corporation, and FMC Technologies(now JBT AeroTech).  The Air Force also purchases remanufactured MB-2 tow tractors.

See also 
M2 High Speed Tractor
Omni Directional Vehicle
U-30 Tow Tractor

Aircraft ground handling
Oshkosh vehicles