New artillery tractor being tested in Washington in the United States of America.
Washington DC testing artillery tractor. Location of events unknown. United States of America.
During or post-World War One. USA test of new artillery tractor; to bring munitions to front. Shots of a team of American soldiers driving this vehicle - a big tank - like thing; pulling a few other storage compartments behind it; over rough terrain; driving over logs; knocking down tree; heading up steep hill in forest.