1896, Gottlieb Daimler made the world’s first truck looked like a cart with an engine and without a drawbar. What set it in motion was a “Phoenix” engine with a displacement of 1.06 liters. Daimler linked it to the rear axle with a belt.

https://forums.aaca.org/topic/341211-period-images-to-relieve-some-of-the-stress/page/594