The ARGO 6x6 650 Frontier is a 6-wheel drive amphibious off-road vehicle. It features a 4 cycle OHV V-Twin air cooled 627cc, 23hp, Briggs & Stratton Cooler Cleaner engine with 20/50 Amp charging system and electronic ignition. It has a load capacity of 700 lbs. on land or 500 lbs. on water. The Frontier 6x6 650 uses regular unleaded gasoline, has low emissions and comes with a two-year limited engine warranty.