[5] The GMV was developed based on U.S. special operation forces Humvees deployed to the Middle East.
[6] The GMV has a cruising range of 275 miles (443 km) at over 70 mph (110 km/h) for operations behind enemy lines with only occasional resupply.
This flat bed area is used to store all the fuel, ammunition, rations, repair tools, electronic gadgets and other supplies that the mission requires.
The GMV program made changes in the Humvee's chassis and tires to make them more compatible for off-road work.
There was an increased payload capacity to 2½ tons (unarmored M998 / M1025 GMVs) [8] A V8 6.5L turbocharged diesel engine that ran at 190 horse power (142 kW) at 3,400 rpm was installed.
By contrast to converted Humvees, the vehicle needed to be lighter, faster, more easily transportable by air, sea, and land, and contain next generation communications and computing equipment.