20 to 25 mph seemed to be the top speed for an Army M48A3 Patton tank. The new M551 Sheridan tank seemed to roll at about 30+ mph. The Sheridan entered the US Army inventory in about 1968 and was fielded immediately in Vietnam in January 1969. Both diesel engines; but the Patton was constructed of ALL STEEL; while the Sheridan's hull was ALL ALUMINUM (but the turret and gun tube was steel). The Australian Centurion tank was comparable to the Patton in speed.
Australia deployed a regiment of their Centurion tanks to Vietnam.
Australia used Centurion tanks purchased from Great Britain during the Vietnam War.
By NVA tanks over running South Vietnam's capital in April 1975.
helicopters and tanks.
NVA tanks captured the south's capital.
The first tanks were constructed of riveted steel. During the Vietnam War, the M48 Patton tanks were built of cast one piece steel. After the war, today's tanks are made of classified synthetics.
NVA tanks invaded Saigon and captured that city (the capital of South Vietnam).
North Vietnam won the war when their tanks crashed thru the South's government gates on 30 April 1975.
Australia sent Warships, Centurion tanks, and Infantrymen into the war.
Australia deployed infantrymen, artillerymen, and a squadron of Centurion battle tanks to Vietnam.
Vietnam War tanks such as the M48 Patton and M551 Sheridan tanks had roughly 300 gallon fuel tanks.
Australia sent 4 Navy Destroyers and a regiment of Australian Centurion tanks into the Vietnam War.