This is why this truck is so popular among both commercial and private users.Dec. Ford is known for making big cars and monster trucks, but this car has no competitors and is one of the largest cars in the world. The Ford F650 is one of the largest trucks and has no competitors. The F-650 was first introduced in 2000 as a direct replacement for the Ford L-Series. The L Series had been Ford's medium-duty truck series since 1974 and had been very successful. But in the new millennium, it was time for an update. And Ford didn't disappoint with the F-650. The F-650 includes several upgrades and improvements over the L-Series, including a more powerful engine, updated styling, and increased payload capacity.