The short answer is that JLTV will have some features not available on a refurbished Humvee, and will last twice as long in the field.

FORBES: Army Mistakes Endanger Future Jeep

Finally, the JLTV contract is a fixed-price contract under which the company has to provide 22 light combat vehicles within 12 to 14 months to the U.S. Army and U.S. Marine Corps.

FORBES: Lockheed's Flurry Of New Contracts Provides Short Term Support

Navistar said it might have an opportunity to bid on a production contract once the engineering phase is complete, but said it still thinks its Saratoga JLTV, based on existing commercial trucks, is a cost-effective solution.

FORBES: Another Big Blow For Navistar