Amphibious ATV
Overview
 
An amphibious all-terrain vehicle (AATV) is a small off-road, and typically six-wheel drive
Six-wheel drive
Six-wheel drive, 6WD or 6x6 is a drivetrain configuration of six wheels, all of which are driven simultaneously by the vehicle's engine. Unlike four-wheel drive drivetrains, the configuration is largely confined to off-road and military vehicles, particularly heavy-duty ones...

, amphibious vehicle
Amphibious vehicle
An amphibious vehicle , is a vehicle or craft, that is a means of transport, viable on land as well as on water – just like an amphibian....

. They were developed in the early 1960s and quickly became popular in both the US and Canada. These vehicles are now used by enthusiasts and professionals worldwide.

These vehicles earned their own classification - all-terrain vehicle (ATV). http://www.route6x6.com/about.html However, after the introduction of small three- and four-wheeled off-road motorcycles
All-terrain vehicle
An all-terrain vehicle , also known as a quad, quad bike, three wheeler, or four wheeler, is defined by the American National Standards Institute as a vehicle that travels on low pressure tires, with a seat that is straddled by the operator, along with handlebars for steering control...

 in the 1970s and 1980s, these have become more well-known as ATVs than the amphibious vehicles.
ATVs were made in the United States a decade before 3- and 4-wheeled ATV
All-terrain vehicle
An all-terrain vehicle , also known as a quad, quad bike, three wheeler, or four wheeler, is defined by the American National Standards Institute as a vehicle that travels on low pressure tires, with a seat that is straddled by the operator, along with handlebars for steering control...

s were introduced by Honda and other Japanese companies.
 
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