the M151 is mearly the military set number. If you want to go into numbers then HMMWV isn't even in the handbooks ;-)
M998 cargo/troop carrier without winch
M1038 cargo/troop carrier with winch
M966 TOW missile carrier, basic armor, without winch
M1036 TOW missile carrier, basic armor, with winch
M1045 TOW missile carrier, supplemental armor, without winch
M1046 TOW missile carrier, supplemental armor, with winch
M1025 armament carrier, basic armor, without winch
M1026 armament carrier, basic armor, with winch
M1043 armament carrier, supplemental armor, without winch
M1044 armament carrier, supplemental armor, with winch
M996 mini-ambulance, 2-litter, basic armor
M997 maxi-ambulance, 4-litter, basic armor
M1035 soft-top ambulance, 2-litter
M1037 S-250 shelter carrier, without winch
M1042 S-250 shelter carrier, with winch
M1069 tractor for M119 105-mm light gun
Either way No that was not a "Hummer" but a Military Jeep is a HMMWV.
Notice
Neither say "Hummer" or "Jeep" Oh yeah look closly at the Grille of the M151
Ok LOL ok enough of me being a smart-ash.