We've all seen the graveyard of forgotten project cars, but sometimes a barn find, or in this case, a woods find, is just too good to pass up. YouTuber BradenBuildz recently laid down $13,000 for a massive gamble: a non-running Stewart and Stevenson M1079 military truck with a van body that had been rotting away as a makeshift storage unit for over a decade."I just gambled $13,000 for this non-running Stewart and Stevenson military truck, and today we're going to try to get this thing running again and drive it all the way home," Braden explained right out of the gate.What followed was a masterclass in reviving dead heavy machinery, filled with rotted fuel lines, seized hydraulics, and a plot twist that completely changed the truck's value.The 500-Mile MiracleBefore the mechanical surgery could begin, Braden had to break into the truck. The doors were locked, and the interior smelled like an abandoned RV. But once inside the cab-over, he made a staggering discovery on the odometer.AdvertisementAdvertisement"Moment of truth, does it have 3,000 or 5,000 miles on it… 553.7. You have got to be kidding me," he laughed. "I think the owner read the gauge incorrectly and thought this thing had 5,000 miles on it."The 553-mile Cat 3116 engine was essentially brand new, right down to the original Caterpillar yellow paint still coating the factory primary fuel filter.However, sitting idle for 13 years exacts a heavy toll on rubber and seals. Before firing it up, Braden had to deal with severe dry rot. "I've actually never seen a diesel fuel line leak that bad from dry rotting alone," he noted as diesel wept freely down the side of the pristine engine block.A Cab-Over Nightmare and The Porsche Service TruckTo access the engine, the entire cab had to be tilted forward. Usually, this is handled by an onboard air system, but with the truck dead, Braden had to rely on a manual hydraulic pump. Naturally, it immediately blew a seal.AdvertisementAdvertisement"There's a cab lock right there, and it just started spewing hydraulic oil out of it," he grumbled. After tracking down an obscure 1-3/4 inch 12-point socket just to bypass the busted cylinder, the massive cab finally lifted.Throughout the entire rescue mission, Braden's support rig wasn't a standard one-ton dually. It was a Porsche Cayenne on air suspension, packed to the roof with oil filters, tools, and 10-gallon diesel jugs. "You think this is how Porsche intended their vehicles to be used?" he joked while traversing the muddy property to find a working water hose.Waking the Beast!After replacing all the fuel lines, changing out the massive oil filter, hand-priming the fuel system, and dropping $1,300 on heavy-duty deep-cycle batteries, the moment of truth arrived.Braden hit the ignition switch, and the Cat 3116 roared to life instantly. "Yes sir! Yes sir! Oh yeah, let me make sure it's got oil pressure. Oh yeah, we got oil pressure," he yelled over the massive diesel clatter.AdvertisementAdvertisementWhile the engine was healthy, the air brakes were locked up due to a blown check valve on the emergency handbrake. A quick trip to the local auto parts store for a brass compression fitting permanently bypassed the leak, allowing the onboard air compressor to hit 120 PSI and free the brakes.The Stewart and Stevenson M1079 isn't just an obscure piece of military history; it's a holy grail for the overlanding community. The massive van body on the back — complete with rare, oversized windows — is a blank canvas for a hardcore, go-anywhere camper build.By the time he pulled the truck and its matching military trailer into his driveway, Braden calculated he was only $14,600 deep into the rig."It's really hard to find one that runs and drives with a clean title anywhere under $30,000," he explained, noting that with a little cleanup, it could easily bring $35,000 to $40,000.AdvertisementAdvertisementWhether it becomes his next massive build or flips for a healthy profit, waking a 553-mile military truck from a 13-year slumber is the kind of wrenching victory we all dream of.