Patron's Polar 120XD Ground Support heater is highway towable and is ducted to provide clean heated and vented air discharge for maintenance applications or for fuselage heating applications. JP or diesel fueled, all-around ramp use is a breeze, and the 395,000 BTU/H output can be attained for a continuous 10 - 15 hour use with one fill-up. Polar 120XD is the basis of design for the current USAF NGH heater by Patron's sister company.