Michelin XZL 395/85r-20 mounted on MRAP 'Atlas' rims (NSN#2530-01-479-2916). (These are non-stepped MRAP wheel)Specs on the wheels and tires used on the fire truck? Great pics!
Below is a link to Bill Caid's (Green 1017A) webpage that has the spare tire carrier build.On the green one. How have you engineered the spare tyre carrier. Does it tilt forward or do you have to take the tyre off the tip the cab.
Do you have issues with air flow, especially at high altitude where enginectempreture management is critical.
Love to know your findings as putting it On the front is an interesting idea