self-propelled

It's a French made self-propelled artillery gun called the "Caesar".

To the layman, a self-propelled howitzer looks like a tank, but it has a bigger, 155mm gun to fire at longer range.

But as delightful as many of those pieces are, as paintings, none quite has the self-propelled perfection of Hakuin’s “Giant Daruma.”

To meet Ukraine’s demands, France has also halved the production time for Caesar self-propelled howitzers and plans to produce 78 such cannons this year.

He cited the Caesar self-propelled 155 mm howitzer, made in France by Nexter, as an example of how French defense contractors are adopting a war footing.