In one embodiment, a cleaning vehicle for cleaning a surface of an object includes first and second carriages (that define a frame). The vehicle also includes first and second wheels coupled to the first and second carriages to form a drive assembly and at least one motor is operatively coupled to at least one of the first and second wheels. A cleaning element extends between and is supported by the first and second carriages at a location forward of the first and second wheels. The vehicle also includes third and fourth wheels. The third wheel is adjustably mounted relative to the first wheel and the second traveler wheel is adjustably mounted relative to the second wheel. The third and fourth wheels are configured such that the object is received between the third and fourth wheels and the respective first and second carriages.