I would assume it is a van driven by tracks. Although I know of no such vehicle.
The rear track of the 2015 Ford Transit-VAN is 5 ft. 8.2 in. (68.2 in.).
The front track of the 2015 Ford Transit-VAN is 5 ft. 8.7 in. (68.7 in.).
The front track of the 2011 Ford E-Series-VAN is 5 ft. 9.4 in. (69.4 in.).
The front track of the 2014 Ford E-Series-VAN is 5 ft. 9.4 in. (69.4 in.).
The rear track of the 2010 Ford E-Series-VAN is 5 ft. 6.6 in. (66.6 in.).
The rear track of the 2014 Ford E-Series-VAN is 5 ft. 6.6 in. (66.6 in.).
The front track of the 2012 Ford E-Series-VAN is 5 ft. 9.4 in. (69.4 in.).
The rear track of the 2013 Ford E-Series-VAN is 5 ft. 6.6 in. (66.6 in.).
The rear track of the 2011 Ford E-Series-VAN is 5 ft. 6.6 in. (66.6 in.).
The front track of the 2013 Ford E-Series-VAN is 5 ft. 9.4 in. (69.4 in.).
The rear track of the 2012 Ford E-Series-VAN is 5 ft. 6.6 in. (66.6 in.).
The front track of the 2010 Ford E-Series-VAN is 5 ft. 9.4 in. (69.4 in.).