For all "AM General HMMWV M998" and "AM General HMMWV GMV", class is "Cars, Pick-up".
https://www.imcdb.org/vehicles_make-AM+General_model-HMMWV+M998.html
https://www.imcdb.org/vehicles_make-AM+General_model-HMMWV+GMV.html
and for this, also.
https://www.imcdb.org/vehicle_250331-AM-General-HMMWV-M998-Replica.html