Search results

Here's an interesting bit of info that seems to confirm 70 mph as top speed (possible). https://www.military.com/equipment/high-mobility-multipurpose-wheeled-vehicle-hmmwv And specifically, this variant, The M1097A2 series features a 6.5-liter Optimizer 6500 diesel engine built by AM General's...

By top out, do you mean you just run out pf power there?

Post up the fastest top speed you have personally achieved driving your HMMWV.