The U.S. Navy LARC is themost capable amphibious boat built to carry cargo or troops from ships to shore. The 5-ton payload LARC-V with V8 Cummins 300 hp & 15-ton XV with twin V8s, switch from propeller to 4-wheel drive onshore for steep gradients and 30 mph speed. LARCs remain in use with the Navy and for emergency flood relief.