DICTIONARY OF AUTOMOTIVE TERMS - "Xt"

X tire
Michelin X Radial tires.
Xtracab
A type of pickup truck (by Toyota) which has a second row of seating; but unlike a crew cab (which has four full size doors) it has a half-door that can be opened only after the main door is opened. The seating is usually a little more cramped than in a crew cab. Also called Club Cab, Extended Cab, King Cab, Access Cab, SuperCab, or Cab Plus
X-type engine
An engine in which the Cylinders occur in four rows set at an angle from each other with the Crankshaft running through the intersection of the X. The single Crankshaft is turned by all banks of cylinders.
X-type frame
A frame design shaped like an elongated letter X that narrows to a strong junction at the center section; it usually has three or more crossmembers to provide torsional stability but there are no crossmembers in the center section of the vehicle