Driver of the bulldozer turned himself from a hero into a disgrace by saying he only had room for one or two. I don’t care how you’re doing it, everyone’s getting out on that vehicle.
I kind of had the same thought, too. They could stand on the rear hitch or on the top of the blade or on the hood.
Sounded to me like he was just saying how much room there was *inside* the cab, rather than on the vehicle as a whole.
I suspect everyone wanted inside to get away from that hellish heat and the flying sparks.
It appears they all got on, but only one or two in the cab.